NORMARC 7013 Operating Manual

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NORMARC 7013

INSTRUMENT LANDING SYSTEM

Operating Manual

21833-3.4

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NORMARC 7013 OPERATING MANUAL

INSTRUMENT LANDING SYSTEM

OPERATING MANUAL

NORMARC 7013

TABLE OF CONTENTS

PART I DESCRIPTION........................................................................................1-1

1 SYSTEM DESCRIPTION.................................................................................1-1

1.1 System Overv ie w ............ .................................... .. .. .................. .. .. .................. .. .1-1

1.2 Abbreviations......................................................................................................1-2

2 TECHNICAL SPECIFICATIONS......................................................................2-1

2.1 Signal Minimum Performance LLZ.....................................................................2-1

2.2 Environme n tal ch aracteristics ............... ... ................................... .. .....................2-2

2.3 EMC characte r is tics .......... .................................... .. .. .................. .. .. .................. .2-2

2.4 Mechanical characteristics.................................................................................2-2

2.5 Power supply......................................................................................................2-2

PART II OPERATION..........................................................................................3-1

3 MAIN CABINET ...............................................................................................3-1

3.1 Power on/off.......................................................................................................3-1

3.2 Local Control Operation .....................................................................................3-2

3.2.1 Glossary.......................................................................................................3-2

3.2.2 Pushbuttons .................................................................................................3-3

3.2.3 Switches/Switchlocks...................................................................................3-3

3.2.4 System Status Indications ...........................................................................3-4

3.3 Local Keyboard/Display Operation............................................. ........................3-7

3.3.1 The menu structure......................................................................................3-7

3.3.2 Handling the different menuscreens............................................................3-8

3.3.3 Th e a cce s s levels. ............................. .. .. .................. .. .. .................. .. ............3-9

3.3.4 Function listing.............................................................................................3-10

3.3.5 The menu tree .............................................................................................3-12

4 TOWER EQUIPMENT.....................................................................................4-1

4.1 Remote Control Operation .................................................................................4-1

4.1.1 Glossary.......................................................................................................4-1

4.1.2 Pushbuttons .................................................................................................4-1

4.1.3 Switches/Switchlocks...................................................................................4-2

4.1.4 System Status Indications ...........................................................................4-2

4.2 Remote Slave Operation....................................................................................4-4

4.2.1 Glossary.......................................................................................................4-4

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4.2.2 Pushbuttons .................................................................................................4-5

4.2.3 System Status Indications ...........................................................................4-5

4.3 Interlock Switch Operation.................................................................................4-5

5 REMOTE MAINTENANCE AND MONITORING SOFTWARE........................5-1

5.1 Introduction.........................................................................................................5-1

5.1.1 Description...................................................................................................5-1

5.1.2 Available versions........................................................................................5-1

5.1.3 System requirements...................................................................................5-1

5.1.4 Running under Microsoft Windows 3.xx ................... ...................................5-2

5.1.5 How to use this manual...............................................................................5-2

5.1.6 Starting the RMM software ..........................................................................5-2

5.2 User interface components................................................................................5-2

5.2.1 The menu bar and menus............................................................................5-2

5.3 Shortcuts ............................................................................................................5-3

5.3.1 Th e d esk to p a re a............................ ... .. ................. ... ................................... .5-3

5.3.2 Th e st a tu s lin e ........ .................. .. .. .................. .. .. .................. .. .....................5-5

5.3.3 Dialog boxes................................................................................................5-5

5.4 Configuring the RMM system.............................................................................5-7

5.4.1 C ommunications se t u p .. .. . . .. .................. .. .................. .. .................. .. ............5-7

5.4.2 IR Q se t u p............ ................. ... .. ................. ... .. ................. ... .........................5-9

5.4.3 Printer setup ................................................................................................5-9

5.4.4 Preferences .................................................................................................5-10

5.4.5 Toggle video mode......................................................................................5-11

5.4.6 Set date/time................................................................................................5-11

5.5 Setting up ILS st a tions .......................... ... ................. .. ... ................. ... .. ..............5-1 1

5.6 Connecting to an ILS station..............................................................................5-13

5.6.1 Shutting down the connection to an ILS......................................................5-15

5.6.2 Baud rate recommendations........................................................................5-15

5.7 Monitor meas u re m e n ts a nd s ta tu s.... .. .. .................. .. .. .................. .. ... ................5- 1 5

5.7.1 General........................................................................................................5-15

5.7.2 Monitor window............................................................................................5-15

5.7.3 Additional monitor parameters window........................................................5-16

5.7.4 Ex t e rn a l p a ra m e t ers window ............... ................. ... ................. ... .. ..............5-1 7

5.7.5 Maintenance monitor window......................................................................5-17

5.7.6 User parameters window.................................................................. ...........5-20

5.8 Monitor setti n gs.... .. .................. .. ... ................. .. ... ................. .. ............................5-21

5.8.1 Li m it s M o n it o r 1 & 2.................. .. ................................... .. ..............................5-21

5.8.2 Limits Standby monitor................................................................................5-23

5.8.3 Delays..........................................................................................................5-23

5.8.4 Li m it s M a in t e n an c e mo n ito r.......... ................................... ... .........................5-24

5.8.5 Delays Maintenance monitor.......................................................................5-26

5.8.6 An a l o g u s er pa r a m e te r s ......... ................. .. .................. .. .................. .. .. ........5-26

5.8.7 Digital user parameters................................................................................5-27

5.9 TX settings .................. .................. .. .. .................. .. .. .................. .. .. .................. .. . 5-28

5.9.1 TX Ad ju s tments .. ................. ... ................................... .. ................................5-2 8

5.9.2 Ident. and modulation switches ............................. ..................... .. ...............5-29

5.9.3 CLR mod. and DME settings ................................................... .. ..................5-29

5.10 Power scaling.....................................................................................................5-30

5.11 Front panel operat ion.........................................................................................5-31

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5.12 Get historical data ..............................................................................................5-31

5.12.1General........................................................................................................ 5-31

5.12.2Alarm storage specific .............. ................. ... .. ................. ... .........................5-32

5.13 Continuous da t a log g i ng............................... .. .. .................. .. .................. .. ..........5-32

5.14 Events ................................................................................................................5-33

5.15 Test DDM ........... .. .. .................. .. ... ................. .. ... ................. .. ... ................. ... .. ...5-3 4

5.16 Set ILS date/ti me.... .................. .. ... ................. .. ... ................. .. ... ................. ... .. ...5-3 5

5.17 User administration .......................................... ... .. ................. ... .. .................. .. .. . 5-36

5.18 ILS Modem settings............................................................................................5-37

5.19 Upload configuration to ILS.................................... .................. ................... .......5-37

5.20 Write configur a tio n to fil e...... ................................... .. .. .......................................5-3 8

5.21 Lamp mappings..................................................................................................5-39

5.22 Medium storage sample interval ........................................................................5-39

5.23 Displaying s to re d me a s urements.. ................. .. ... ................. .. ... ................. ... .....5-40

5.23.1General........................................................................................................ 5-40

5.23.2Medium tim e p e rio d i c (MED) ............................ .. .................................... .. ...5-4 1

5.23.3Alarm storage (ALA) ........ .. .................. .. .. .................. .. .. .................. .. .. ........5-41

5.23.4Continuous data log (CNT).......................... .. .......................................... ....5-42

5.24 DIAGNOSTICS...................................................................................................5-42

5.24.1General description of the diagnostic functions...........................................5-42

5.24.2Current data diagnostics......................... .. .......................................... .........5-42

5.24.3Alarm Eve n t di a g no s t ic s .. .................. .. .. .................. .. ..................................5- 4 2

5.25 Exporting data....................................................................................................5-42

5.26 Printing reports...................................................................................................5-43

5.27 Print screen ........ .. .. .................. .. ... ................. .. ... ................. .. ... ................. ... .. ...5-4 3

5.28 Technical note - Leased line SETUP (USRobotics)...........................................5-44

5.28.1Definitions....................................................................................................5-44

5.28.2Configuring the remote modem ........................... ...................... ..................5-44

5.28.3Configuring the local modem.......................................................................5-44

5.29 Technical note - Dial up connection SETUP (USRobotics)................................5-45

5.29.1Definitions....................................................................................................5-45

5.29.2Configuring the remote modem ........................... ...................... ..................5-45

5.29.3Configuring the local modem.......................................................................5-46

5.30 Technical note - Leased line SETUP (WESTERMO).........................................5-47

5.30.1DIP switch settings. ....................................................................................5-47

5.30.2Connecting the modem to the cabinet........................ .................................5-47

5.30.3Connecting the modem to the PC..................................... ..................... ......5-47

5.31 Technical note - dial up SETUP (WE S T ER M O ).............................. ... ................5- 4 8

5.31.1DIP switch settings. .....................................................................................5-48

5.31.2Connecting the modem to the cabinet........................ .................................5-48

5.31.3Connecting the modem to the PC..................................... ..................... ......5-48

PART III MAINTENANCE....................................................................................6-1

6 PERIODIC MAINTENANCE CAT I AND II.......................................................6-1

6.1 Weekly inspec tions.......... .. .................................... .. .. .................. .. .. .................. .6- 1

6.1.1 Field modulation measurements..................................................................6-1

6.1.2 Monitor Parameters recordings ...................................................................6-1

6.2 Monthly inspections............................................................................................6-1

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6.2.1 Field DDM measurements...........................................................................6-1

6.3 Quarterly inspections..........................................................................................6-2

6.3.1 Tx Parameters and DC Power supply recordings................ .................... ....6-2

6.3.2 Monitor Integrity Check (Alternative 1) ........................................................6-2

6.3.3 Monitor Integrity Check (Alternative 2) ........................................................6-2

6.4 Annual inspections.............................................................................................6-3

6.4.1 RF Frequency check....................................................................................6-3

6.4.2 LF Frequency check....................................................................................6-4

6.4.3 Transmitter waveforms checks....................................................................6-4

6.4.4 CSB output power........................................................................................6-7

6.4.5 Monitor Alarm Limit checks..........................................................................6-7

6.4.6 Near Field Monitor delay..............................................................................6-10

6.4.7 20 seconds inhibit........................................................................................6-11

6.4.8 Ba t te r y m a in t e n anc e.......... .. .................. .. .. .................. .. .. .................. .. ........6-11

6.4.9 Final check LLZ ...........................................................................................6-11

7 CORRECTIVE MAINTENANCE......................................................................7-1

7.1 Overview ............................................................................................................7-1

7.2 Diagnostic functions...........................................................................................7-1

7.2.1 G e neral description............ .................. .. .................. .. .. .................. .. ............7-1

7.2.2 Current data diagnostics.................................... .................... .................... ..7-1

7.2.3 Alarm event diagnostics...............................................................................7-1

7.2.4 Manual fault diagnosis.................................................................................7-2

7.3 LRU change procedures....................................................................................7-2

7.3.1 R ep l a cing units ............................. .. ... ................. .. .................. .. .................. . 7-2

7.3.2 MF1211/MF1219 replacement............................. ........................................7-3

7.3.3 PS1227 replacement...................................................................................7-4

7.3.4 O S 1 2 21 re p la c e m e n t.. .................. .. ... ................. .. .................................... .. . 7-4

7.3.5 MO1212 replacement.......................................................... ........................7-5

7.3.6 TCA1218 replacement.................................................................................7-5

7.3.7 RMA1215 replacement................................................................................7-6

7.3.8 LF1223 replacement................................... ........................................ .. .......7-6

7.3.9 COA1207 replacement................................................................................7-6

7.3.10LPA1230/GPA1231/GPA1232 replacement...................... ...................... ....7-7

7.4 Detailed description of the automatic diagnostic algorithms ..............................7-7

7.4.1 Overview......................................................................................................7-7

7.4.2 Possible diagnostic solutions.......................................................................7-7

7.4.3 Current data diagnostics.................................... .................... .................... ..7-8

7.4.4 Alarm event diagnostics...............................................................................7-11

PART IV APPENDIX...........................................................................................A-1

A Monitor and Maintenance Parameters .......................................................................A-1

A.1 Monitor Alar m Par a m e te r s ................ .................. .. .. .................. .. .. .................. .. . A-1

A.2 Maintenance Parameters...................................................................................A-2

B Factory default configuration settings.........................................................................B-1

B.1 Cat I monitor LI M I T co n fig u r a tio n...... . . .. .................. .. .. .................. .. ... ................B -1

B.2 Cat II monitor LIMIT configuration......................................................................B-3

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B.3 Cat III monitor LIMIT configuration.....................................................................B-3

B.4 Executive Monitor delay configuration................................................................B-3

B.5 Maintenance parameter configuration................................................................B-4

B.6 Oscillator 1 and 2 (OS 1221)................................ .. .. ..........................................B-4

B.7 Maintenance delay configuration........................................................................B-7

B.8 Morse code c onfiguration.. .................. .. .................................... .. .......................B-7

B.9 Typical TX Adjustments values..........................................................................B-7

B.10 User administ ra tion configuration......................................................... .. .. ..........B-8

B.11 Frequency configuration strap settings..............................................................B-8

C Maintenance Procedures............... .. ................................................. .. .. ......................C-1

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LIST OF FIGURES

Figure 1-1 LLZ block diagram ...............................................................................1-1

Figure 3-1 P ower ON/OFF and GND So ckets Location . .. .................. ................. .3-1

Figure 3-2 LC1217A front panel ................................................... ........................3-2

Figure 3-3 The local keyboard/display ........................... ..................................... ..3-7

Figure 3-4 The top level main menu screen. ........................................................3-8

Figure 3-5 A typical readout screen: CL DDM. .....................................................3-8

Figure 3-6 A typical toggle screen: TX1 90Hz on/off. ...........................................3-9

Figure 3-7 A typical input/store screen: CL DDM .................................................3-9

Figure 3-8 A typical quick read screen: CL. ..........................................................3-9

Figure 3-9 An access denial screen: Switch in REMOTE position. ......................3-10

Figure 3-10 Level 3 access screen. ........................................................................3-10

Figure 3-11 The top level main menu screen: User in level 3 access. ...................3-10

Figure 3-12 The menu tree: The top levels ....................................... .................. ....3-12

Figure 4-1 RF1242A front panel. .......................... ................................................4-1

Figure 4-2 SF1344A front panel. ........................ ..................................................4-4

Figure 5-1 A sample dialog box. ...........................................................................5-6

Figure 5-2 Com port setup dialog .........................................................................5-8

Figure 5-3 Channel setup dialog ......................... ..................... .................... .........5-8

Figure 5-4 IRQ setup dialog ..................................................................................5-9

Figure 5-5 Print setup dialog .................................................................................5-10

Figure 5-6 Preferences dialog ..............................................................................5-11

Figure 5-7 Set date/time dialog .............................................................................5-11

Figure 5-8 Station list dialog. ................................................................................5-12

Figure 5-9 ILS Station setup dialog ......................................................................5-13

Figure 5-10 Login dialog box ....................................................................... .. .........5-14

Figure 5-11 A typical Link window ..........................................................................5-15

Figure 5-12 Monitor window ...................................................................................5-16

Figure 5-13 Additional monitor parameters window ....................... ........................5-17

Figure 5-14 External parameters window ...............................................................5-17

Figure 5-15 Maintenance monitor window ...................... ....................... .................5-18

Figure 5-16 Monitor maintenance parameters ............................................. ...........5-19

Figure 5-17 TX maintenance parameters .............................................. .................5-19

Figure 5-18 PA maintenance parameters ................................................ ...............5-20

Figure 5-19 DC-Supplies maintenance parameters ...............................................5-20

Figure 5-20 RMS maintenance parameters .................................................... .. ......5-20

Figure 5-21 TX Control maintenance parameters ..................... .................. ...........5-20

Figure 5-22 User parameters window (sample configuration). ........................... .. ..5-21

Figure 5-23 Monitor 1&2 limits window .............. .....................................................5-22

Figure 5-24 Monitor parameter input dialog ............................................................5-23

Figure 5-25 Monitor delays window ........................................................................5-24

Figure 5-26 Delay input dialog ................ .................... .. .................... .................... ..5-24

Figure 5-27 Analog maintenance monitor limits window .............. .................... ......5-25

Figure 5-28 Digital maintenance monitor li m its window ............................... ...........5-25

Figure 5-29 Input dialog for digital maintenanc e parameters .................................5-26

Figure 5-30 Input dialog for analog maintenance parameters ................................5-26

Figure 5-31 Maintenance delay window .................................................. ...............5-26

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Figure 5-32 Analog user parameters definitions .....................................................5-27

Figure 5-33 Analog user parameter settings dialog ................................................5-27

Figure 5-34 Digital user parameters definitions ......................................................5-27

Figure 5-35 Digital user parameters settings dialog ...............................................5-28

Figure 5-36 TX adjustments window .......................................... ............................5-28

Figure 5-37 TX Adjustment input dialog .................................................................5-29

Figure 5-38 Ident. and modulation switches window .......................... ....................5-29

Figure 5-39 CLR mod. and DME settings dialog ....................................................5-30

Figure 5-40 Power scaling settings .........................................................................5-30

Figure 5-41 Front panel window ............................. ....................................... .........5-31

Figure 5-42 Storage download window ..................................................................5-32

Figure 5-43 Continuous logging dialog .................................. .................................5-33

Figure 5-44 Events window ....................................................................................5-34

Figure 5-45 Test DDM window ...............................................................................5-35

Figure 5-46 ILS date/time window. .........................................................................5-35

Figure 5-47 User administration window ........................... .................... .. ...............5-36

Figure 5-48 User configuration dialog .....................................................................5-37

Figure 5-49 ILS Modem settings window. ...............................................................5-37

Figure 5-50 Configuration upload ...........................................................................5-38

Figure 5-51 Write configuration to file. ....................................................................5-39

Figure 5-52 Lamp mappings HBK1142 ..................................................................5-39

Figure 5-53 Medium storage interval setting dialog ................................................5-40

Figure 5-54 Open log file dialog ..............................................................................5-40

Figure 5-55 MED file log window ................... .........................................................5-41

Figure 5-56 ALA file log window .............................................................................5-41

Figure 5-57 CNT file log window. ............................................................................5-42

Figure 5-58 Export data dialog ...............................................................................5-43

Figure 5-59 Print Report dialog ................................................................ ...............5-43

Figure 5-6 0 IL S port settings for lease d -line connections ......... ... ................. ... .......5-44

Figure 5-61 RMM channel setup for USR leased-line connections ........................5-45

Figure 5-62 ILS port settings for USRobotics dial up connection ...........................5-46

Figure 5-63 Local modem configuration ............................ .. ...................... .............5-46

Figure 6-1 SBO Waveforms ..................................................................................6-5

Figure 6-2 RF phase check ..................................................... .............................6-6

Figure 6-3 LF phase check ...................................................................................6-6

Figure 7-1 Flow diagram for Monitor warning tests. .............................................7-11

Figure 7-2 Flow diagram for diagnosing a changeover-only alarm. ......................7-12

Figure 7-3 Flow diagram for diagnosing changeover/shutdown alarms. ..............7-13

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LIST OF TABLES

Table 5-1 Shortcut commands. .......................................................................5-3

Table 5-2 Quick window operations. ...............................................................5-5

Table 5-3 Channel setup operations. ..............................................................5-9

Table 5-4 Print setup operations. .................... .................... .................... ........5-10

Table 5-5 Station list operations. .....................................................................5-12

Table 5-6 ILS station setup operations. ......... ..................................................5-13

Table 5-7 Login access rights. ........................................................................5-14

Table 5-8 Monitor codes. ............................................................. ....................5-15

Table 5-9 Status codes. .............................. ........................ .. ........................ ..5-18

Table 5-10 Morse code settings. ............................. ....................... ...................5-29

Table 5-11 CLR modulation and DME settings. ................................................5-30

Table 5-12 Filename extensions. ................................... ...................................5-32

Table 5-13 Master user available operations. ...................................................5-36

Table 5-14 Master user operations. ..................................................................5-36

Table 5-15 Medium time storage interval settings .............................................5-40

Table 5-16 Alarm storage operations. ...............................................................5-41

Table 6-1 Monitor 1 window (Tx 1 to Air) ......................................... .. .............6-12

Table 6-2 Monitor 1 window (Tx 2 to Air) ......................................... .. .............6-12

Table 6-3 Monitor 1 window ............................................................................6-13

Table 6-4 Front panel window (displays Tx1 to air) ........... ..............................6-13

Table 6-5 Monitor 1 window ............................................................................6-14

Table 6-6 Front panel window (Displays Tx2 to air) ........................................6-14

Table 6-7 Field DDM measurement ................................................................6-15

Table 6-8 (Not for recordings, make a "print screen copy") ............................6-16

Table 6-9 Tr a n smitter waveform ch e ck s .......... .. .................................... .. .. .....6-16

Table 6-10 Monitor Integrity Test (Alternative 1) ...............................................6-17

Table 6-11 Monitor Integrity Test (Alternative 2) ...............................................6-17

Table 6-12 RF Frequency check .......................................................................6-17

Table 6-13 LF Frequency check ........................................................................6-17

Table 6-14 CSB output power ...........................................................................6-17

Table 6-15 Monitor Alarm Limits check .............................................................6-18

Table 6-16 Near Field Monitor Delay and 20 seconds inhibit .......................... ..6-18

Table 6-17 Batte ry maintenance .............................................. .. .. .................. .. .6-18

Table 6-18 Field modulation check ....................................... .. ..........................6-18

Table A-1 Monitor Alarm Parameters - Monitor Window 1...............................A-1

Table A-2 Monitor Alarm Parameters - Monitor Window 2...............................A-1

Table A-3 Logical Maintenance Parameters.....................................................A-3

Table A-4 An a l og M a in t e na n c e P ar a m e te r s ........................ .. .................. .. .......A-3

Table A-5 DC Supplies Maintenance Parameters................................. ...........A-4

Table A-6 User Defined Analog Inputs Maintenance Parameters....................A-4

Table A-7 User Defined Logical Inputs/Outputs Maintenance Parameters......A-4

Table B-1 CAT I alarm and warning limits.................................. .. ....................B-2

Table B-2 Alarm and warning limits for Cat II equipment............................... ..B-3

Table B-3 Alarm and warning limits for Cat III equipment................................B-3

Table B-4 Factory default delay values............................................................B-4

Table B-5 Typical TX adjustment values ..........................................................B-8

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Table B-6 OS1221A Course frequency settings for 2-freq. LLZ.......................B-9

Table B-7 OS1221A Clearance frequency settings for 2-freq. LLZ..................B-10

Table C-1 Localizer Mon i to r R e fe r e nc e D a ta . ................. .. ... ................. ... .. .......C-23

Table C-1 CEGS Monitor Reference Data........................................................C-24

Table C-2 All Glide Slopes Normal Radiated Paramet ers................................C-24

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PART I DESCRIPTION

1 SYSTEM DESCRIPTION

1.1 System Overview

The NM 7000-series Localizers comprises the following units or sub-systems:

• Localizer Cabinet

• Power Supply

• Remote Control

• RMM System (Optional)

LOCALIZER ANTENNA

ILS LOCALIZER

TRANSMITTER

ARRAY

ILS Localizer

REMOTE

CONTROL

UNIT

SLAVE PANEL

RMM SYSTEM

TRANSMITTER

AND

MODULATOR

I and II

MONITOR I and II

CSB CL SBO CL CSB CLR* SBO CLR*

CL CLR* DS

ANTENNA DISTRIBUTION NETW.

MONITOR

NETWORK

24V

BATTERY

POWER

SUPPLY

MAINS INPUT

220V/110V AC

RUNWAY CL.

MONITOR OUTPUT PROBE

* CLR SIGNALS N/A on single-frequency equipment

HBK204-1

Figure 1-1 LLZ block diagram

The Antenna System with distribution and monitor networks are described in a separate manual.

The Localizer cabinet comprises:

• Dual transmitter/m odulators

• Dual monitors in "2 out of 2" voting

• Priority and change-over system with local control panel

• Remote monitoring system with local displa y and RS-232 ports for local and remote PC connections.

The Power supply is a separate, wall mounted unit. Back-up batteries are float charged, and

1-1

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are connected to the LLZ cabinet. The Remote Control unit is intended for installation in the tower or a technical room to give

remote control and status indication. An optional Remote Slave panel can be used if control and status indication is required i n ad ditional positions.

The RMM system comprises the built-in RMS system in the LLZ cabinet, and a data program running on a standard PC. The PC can be connected directly to the cabinet , or by mo dems through leased or switched telephone lines.

1.2 Abbreviations

AC Alternating Current ADC Analog to Digital Converter AGC Automatic Gain Control CL Course Line CLR Clearance COU Course CPU Central Processing Unit CS Course Sector DAC Digital to Analog Converter DC Di rect Current DDM Difference in Depth of Modulation DF Difference Frequency DL DC Loop DS Displacement Sensitivity DSP Digital Signal Processor EEPROM Electrically Erasable Progammable Read Only Memory EMC ElectroMagnetic Compatibility EMI ElectroMagnetic Interference EPROM Erasable Programmable Read Only Memory FFT Fast Fourier Transfor m FIFO First-In-First-Out FPGA Field Programmable Gate Array GPA Glidepath Power amplifier Assembly I/F InterFace I²C Inter Integrated Circuit IIC Same as I²C ILS Instrument Landing System LED Light Emitting Diode LF Low Frequency LLZ Localizer LPA Localizer Power amplifier Assembly LRU Line Replacable Unit MCU Monitor Combiner Unit NAV NAVigation signals NF Near Field PC Personal Computer RAM Random Access Memory RF Radio Frequency

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RMM Remote Maintenance Monitor RMS Remote Monitoring System ROM Read Only Memory RTC Real Time Clock SC Station Control SDM Sum in Depth of Modulation SPA Same Parameter Alarm SRAM Static Random Access Memory STB Standby SW SoftWare TRM TeRMinator TX Transmitter UART Universal Asynchronous Receiver Transmitter

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2 Technical specifications

NM 7013 Two-Frequency Localizer Cabinet.

2.1 Signal Minimum Performance LLZ

Transmitter

Frequency range 108-112 MHz Frequency tolerance + Output power (CSB) 5-15 W adjustable Harmonic radiation 2.5 uW maximum RF difference frequency (2-freq. only) 10 kHz + Spurious 25 uW maximum Output power stability + CSB/SBO stability +

Modulator

Modulation depth 90/150 Hz 20%

Adjustable range 10-25% SDM stability +

DDM stability + Frequency tolerance + Total harmonic distortion (90/150 Hz) 1% maximum Phase locking (90 Hz to 150 Hz) 5° maximum ref 150 Hz SBO phaser adjustment range +

OPERATING MANUALNORMARC 7013

0.002%

2 kHz

0.2 dB

0.3 dB / +-5°

0.3% SDM

0.1% DDM

0.05 Hz

10°

Identity keyer

Modulation frequency 1020 Hz +

10 Hz Modulation depth 5-15% adjustable Distortion 6% maximum Speed of identification 7 Words/min. approx.

Monitoring Alarm functions Adjustable range (*)

RF power reduction 1-5 dB Change of nominal CL + Change of nominal DS from nominal value + Change of nominal CLR (2-freq. only) + Change of nominal NF + Change of nominal SDM + Difference frequency (2-f req. only) +

4-25 uA 10-50 uA 10-60 uA 4-25 uA 2-6% SDM

2-5 kHz Total period of radiation out of tolerance 1-10 sec Additional NF delay 0-20 sec Line break, ILS-remote control (disable

optional). Identification lost or continuous (optional) Monitor input levels

Adjustment range, nominal level: -5 to –34 dBm

2-1

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OPERATING MANUAL

NORMARC 7013

INSTRUMENT LANDING SYSTEM

AGC range for less than 1% change in SDM

Monitor stability at nominal levels:

RF power values + DDM values + SDM values +

Warning functions:

RF power reduction 40-75% of alarm limit Change of nominal CL 40-75% of alarm limit Change of nominal DS 40-75% of alarm limit Change of nominal CLR 40-75% of alarm limit Change of nominal NF 40-75% of alarm limit Change of nominal SDM 40-75% of alarm limit Difference frequency 40-75% of alarm limit Mains failure

Remote control

Data transmission medium 2-wire line, 600 ohm Data modulation serial, FSK Transmitter level -10dBm + Receiver dynamic range -10dBm to -34dBm

5 dB

0,2 dB

1 uA

0,5% SDM

2 dB

(*): Asymmetrical limits are possible

2.2 Environmental characte ristics

Operating temperature: -10 to +55 ° Storage temperature - 30 to +60 °

2.3 EMC characteristics

EMR: EN 55022 class B Spurious and harmonics: CISPR 22

2.4 Mechanical character istics

Dimensions: (HxBxW)

ILS Rack: 1020x600x500 mm Remote control: 129x71x170 mm Slave panels: 129x41x170 mm

Weight: 85 kg - 95 kg depending on model

The ILS rack is wall mounted. The remote control an d slave panel s fit a st andard 3U (132mm) high 19" subrack.

2.5 Power supply

External supply:

21833-3.4

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INSTRUMENT LANDING SYSTEM

Input voltage: 230V +15%/-20%,45-65 Hz or 120V +15%/-20%,

Output voltage: 27,6V Output current: 20A max

ILS cabinet:

Input voltage: 22-28V DC Current consumption: 8A – 14A depending on configuration Stand-by battery 24V DC nominal, 85 Ah-110Ah valve regulated

OPERATING MANUALNORMARC 7013

45-65 Hz

lead-acid battery recommended

2-3

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OPERATING MANUAL

NORMARC 7013

INSTRUMENT LANDING SYSTEM

21833-3.4

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OPERATING MANUALNORMARC 7013

INSTRUMENT LANDING SYSTEM

PART II OPERATION

3 Main cabinet

3.1 Power on/off

The power ON/OFF switches are located on front of the main cabinet. Adjacent to the switches are GND sockets for connecting wrist st rap to ensure ESD-protected environment when performing maintenance operations.

1 1

POWER ON/OFFGND SOCKETS

Figure 3-1 Power ON/OFF and GND Sockets Location

HBK548-1

3-1

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OPERATING MANUAL

3.2 Local Control Operation

NORMARC 7013

INSTRUMENT LANDING SYSTEM

PARAM

DISAGR

BATT

IDENT

MAINT

STBY

SERVICE

ALARM

WARNING

NORMAL

ON/ OFF

LOCAL

CHANGE OVER

LAMP TEST

MANUAL

TX1

TX2

COURSE

CLR

TX TO AIR

MAIN

TX2

INTERLOCK

OVERRIDE

REMOTE

AUTO

WRITE

PROTECT

HBK 551/2

Figure 3-2 LC1217A front panel

3.2.1 Glossary

Changeover The transition from a normal ILS «on» state (coax pos=main select and active

main transmitters on air) to a normal ILS «standby on» state (coax pos. not equal to main select, and standby transmitt ers active on air).

Shutdown The transition from any ILS state to a normal ILS «off» state (coax pos=main

select and no active transmitters).

Automatic When the ILS is in automat ic mode of operati on, any detecte d alarm(s) wil l lead

to either CHANGEOVER or SHUTDOWN.

Manual When the ILS is in manual mode of operation, the ILS state will not change if

alarm(s) are detected.

Interlock When an ILS is in active interlock mode (the interl ock signal is an input to the

21833-3.4

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INSTRUMENT LANDING SYSTEM

remote control), the ILS wil l turn of f al l active trans mitters and not allow them to be turned on before the interlock condition is removed. This signal overrides manual mode of operation.

3.2.2 Pushbuttons

OPERATING MANUALNORMARC 7013

ON/OFF Used to:

• Toggle the ILS on/off. Valid when:

• The LOCAL/REMOTE switch must be in LOCAL position, and

• The interlock signal is not active if the ILS is configured for interlock.

CHANGEOVER Used to:

• Toggle the coax relay and transmitters between TX1/ TX2 as the active transmitter(s).

Valid when:

• The LOCAL/REMOTE switch is in LOCAL position, and

• The ILS is «on» when the MANUAL/AUTO switch is in AUTO position.

MAIN SELECT Used to:

• Toggle between TX1/TX2 as the main transmitter.

Valid when:

• The LOCAL/REMOTE switch is in LOCAL position.

STBY

ON/ OFF

HBK604-1

TX1

NORMAL

ON/ OFF

HBK603-1

CHANGE OVER

MAIN

TX2

COURSE TX1/TX2 Used to:

• Toggle the COURSE TX1/TX2 on/off.

Valid when:

• LOCAL/REMOTE switch is in LOCAL position, and

• MANUAL/AUTO switch is in MANUAL position, and

• The interlock signal is active if the ILS is configured for interlock.

CleaRance TX1/TX2 Used to:

• Used to toggle the CLEARANCE TX1/TX2 on/off.

Valid when:

• CLEARANCE transmitters are present, and

• LOCAL/REMOTE switch is in LOCAL position, and

• MANUAL/AUTO switch is in MANUAL position, and

• The interlock signal is active if the ILS is configured for interlock.

3.2.3 Switches/Switchlocks

TX1

HBK605-1

TX2

COURSE

CLR

HBK606-1

TX2

COURSE

CLR

HBK607-1

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OPERATING MANUAL

NORMARC 7013

INSTRUMENT LANDING SYSTEM

LOCAL / REMOTE Used to:

• Select between LOCAL and REMOTE mode of operation. REMOTE mode of operation will inhibit use of the local push-button (as described above) and the use of the local seri al communication port for enter ing RMS access level 2 and 3. LOCAL mode of operation will inhi bit use o f the remote con trol pushbuttons (ON/OFF, CHANGEOVER) and the use of the remote serial communication ports for entering RMS access level 2 and 3.

Valid when:

• The LOCAL/REMOTE switch is in LOCAL position.

MANUAL / AUTO Used to:

• Select between AUTOMATIC and MANUAL mode of operation.

Valid when:

• The LOCAL/REMOTE switch is in LOCAL position.

WRITE PROTECT Used to:

• Prevent changing of alarm limits and other ILS parameter adjustments. Setting this switchl o ck in vertical/horizontal po sition will prevent/not prevent entering of access level 3

Valid when:

•Always

HBK611-1

LOCAL

REMOTE

HBK609-1

MANUAL

AUTO

HBK610-1

WRITE

PROTECT

INTERLOCK OVERRIDE Used to:

• Override the interlock input to allow testing of transmitters. Using this function will allow the local panel pushbuttons to be used (ON/OFF, CHANGEOVER and the individual TX on/off keys).

Valid when:

• The LOCAL/REMOTE switch is in LOCAL position, and

• The MANUAL/AUTO switch is in MANUAL position.

INTERLOCK

OVERRIDE

HBK612-1

3.2.4 System Status Indications

SERVICE Used to:

• Indicate that the ILS is currently in SERVICE mode of operation. This will also set the remote control to alarm state.

Activated by:

• EXTERNAL SERVICE line forced low (by LF1223A set in service condition), or

PARAM

DISAGR

BATT

IDENT

MAINT

STBY

HBK608-1

SERVICE

ALARM

WARNING

NORMAL

• RMS in access level 2 or 3, or

• The LOCAL/REMOTE switch is in LOCAL position, or

• The MANUAL/AUTO switch is in MANUAL position, or

• MANUAL mode entered from RMS, or

• Mismatch between the WRITE PROTECT switch and configuration strap setting on U6 (strap position 6-15).

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INSTRUMENT LANDING SYSTEM

OPERATING MANUALNORMARC 7013

ALARM Used to:

• Indicate that the ILS has detected an alarm condition.

Activated by:

• One or more alarms present.

WARNING Used to:

• Indicate that the ILS has detected one or more warning conditions.

Activated by:

• Warni ng condition(s) detected by RMS.

NORMAL Used to:

• Indicate that no alarm conditions are detected by the ILS.

Activated by:

• No alarms present.

PARAMeter Warni ng:

PARAM

DISAGR

BATT

IDENT

MAINT

STBY

HBK613-1

PARAM

DISAGR

BATT

IDENT

MAINT

STBY

HBK614-1

PARAM

DISAGR

BATT

IDENT

MAINT

STBY

HBK615-1

SERVICE

ALARM

WARNING

NORMAL

SERVICE

ALARM

WARNING

NORMAL

SERVICE

ALARM

WARNING

NORMAL

Used to:

• Indicate that there are one or more monitor parameter warnings present. The warnings from the monitor 1/monitor 2 are voted before displayed.

Activated by:

• One or more monitor parameters outside the warning limits.

Monitor DISAGRee Used to:

• Indicate that monitor 1 and monitor 2 disagrees on which pa rameters that are in alarm state.

Activated by:

• Difference in monitor 1/monitor 2 alarm detection.

BATTery Warning Used to:

• Indicate that the ILS is running using the 27V battery.

Activated by:

• Loss of mains for charging the 27V battery.

IDENT Warning Used to:

• Indicate that the ident is faulty for LLZ.

Activated by:

• Loss of ident Morse coding for LLZ.

MAINTenance Warning Used to:

• Indicate that one or more of the maintenance parameter warnings detected.

Activated by:

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INSTRUMENT LANDING SYSTEM

NORMARC 7013

• One or more maintenance parameters faulty or outside limits.

STandBY transmitter on air Used to:

• Indicate that coax position dir ects the standby transmitter s to the antenna and the main transmitters to the dummy load.

Activated by:

• Coax position differs from transmitter main select.

COAXIAL POSITION TX1/TX2 Used to:

• Indicate the position of the coax relay.

Activated by:

COAXIAL

POSITION

HBK616-1

• Coax relay position.

MAIN TX1/TX2 Used to:

• Indicate which transmitter that i s defined as main.

Activated by:

• Main select position.

COURSE TX1/TX2 Used to:

• Indicate the status of COURSE 1/COURSE 2 status . If illuminated the transmitter is on.

Activated by:

• Transmitter «on».

CleaRance TX1/TX2 Used to:

• Indicate the status of CLEARANCE 1/CLEARANCE 2 status. If illuminated the transmitter is on.

Activated by:

• Transmitter «on».

TX1

HBK617-1

TX1

MAIN

TX2

COURSE

CLR

HBK606-1

TX2

COURSE

CLR

HBK607-1

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INSTRUMENT LANDING SYSTEM

3.3 Local Keyboard/Display Operation

OPERATING MANUALNORMARC 7013

PREVESC

NEXT ENTER

QUICK

Figure 3-3 The local keyboard/display

3.3.1 The menu structure.

The front panel menu system includes a 20x4character LCD with 7 dedicated pushbutton keys. The system is organised as a top-down menu tree-st ructure where the main menu is the default entering point.

READ

HBK550-1

The main menu screen has three menu-options. The options are div ided into the th ree access levels; level 1 with basic readout functions, level 2 with test and control func ti ons and level 3 with permanent system parameter setti ngs and configuration changes.

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INSTRUMENT LANDING SYSTEM

NORMARC 7013

>Read syst para L1 Local settings L2 Syst settings L3

Figure 3-4 The top level main menu screen.

3.3.2 Handling the different menuscreens.

The menu system consists of five basic screen types; menu-screens, readout-screens, toggle-screens, input/sto ring-screens, and the quick read screens.

3.3.2.1 The menu screen

The menu screen is controlled by the key-buttons: <PREV> <NEXT> <ENTER> and <ESC>. The menu options are formatted as a l ong li st wher e eac h option hol ds one char act er li ne. If a

menu screen includes more than four options, a small arrow-indicator will be displayed in the lower-right corner. This informs the user that more than four menu options are available. The blinking arrow cursor left to the menu-t ext is controlled by the <NEXT> and <PREV> keys. The <ENTER> key activates the menu options left to the arrow-cursor.

The <ESC> key brings the user one menu-level upwards or back in the menu-tree-structure.The menu scrolls down if the user pushes the <NEXT> key when the arrow-cursor is at the lower line and the arrow indicator is displayed in the lower-right corner. The menu will in the same way scroll upwards by pushing the <PREV>-key in a corresponding situation.

3.3.2.2 The readout screen

The readout screens display the various monitor and maintenance parameter readings. The screens are entered by stepping through the menu options. The <ESC> key brings the user back to the last menu-screen again. The parameter readings are continuously updated.

CL readout M1 M2 DDM.: 0.1% 0.1% Al U +1.5% +1.5% Wa U -1.5% -1.5%

Figure 3-5 A typical readout screen: CL DDM.

3.3.2.3 The toggle screens

The toggle screens offer the user to choose between two or more options. The options text is enclosed by two blinking square-brackets. The plus «+» and minus «- » keys step through the various options. The <ENTER> key activates the chosen toggle-option. The <ESC> keys leaves the screen without activating any of the opti ons.

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OPERATING MANUALNORMARC 7013

INSTRUMENT LANDING SYSTEM

TX 1 90 Hz on/off

[90 Hz tone on]

Figure 3-6 A typical toggle screen: TX1 90Hz on/off.

3.3.2.4 Input/Store screen

The user can change the various parameter alarm and warning settings in the input/storingscreens. A virtual cursor is controlled by the <PREV> and <NEXT> keys. An input field number will blink if the cursor is moved to the correct positi on. The blinking limit val ues can now be changed by pushing the plus «+» and minus «-» keys. If the input field is digital, the valid options will be «False» and «T rue» when the plus «+» and minus «-» keys are pushed.

When all the input numbers in the screen are changed to th e preferred new valu es, the cursor must be moved to the (STORE)-field in t he upper left corner. When the cursor is placed at this (STORE)-field, the brackets will start blin king. The <ENTER> key will now store the new values on the screen in the ILS. The <ESC> key leaves the screen unchanged.

CL <store> M1 M2 DDM.: 0.1% 0.1% Al U +1.5% +1.5% Wa U -1.5% -1.5%

Figure 3-7 A typical input/store screen: CL DDM

3.3.2.5 The quick read screens

The quick read screens are access by pushing the <QUICK READ> key. The key toggles between the original menu tree and the quick read screens. The <QUICK READ> button can be pushed at all times, not changing the original menu-screens. The quick read screens include only the basic monitor readings. The <PREV> and <NEXT> keys step through the quick read screens.

CL %DDM %SDM RFv M1 0.1 40.0 3.0 M2 0.1 40.0 3.0

Figure 3-8 A typical quick read screen: CL.

3.3.3 The access levels.

The level 3 menu options must be entered by typing a 4 character password. The level 2 menu can be entered as an ordinary menu-option.

3.3.3.1 Level 2

To enter the level 2 menu option, the front panel switches must be in the LOCAL and MANUAL positions. The remote panel acces s switch must also be in ACCESS position. The user is

3-9

Page 30

OPERATING MANUAL

INSTRUMENT LANDING SYSTEM

NORMARC 7013

denied access if the switches are not correctly set.

Local switch on Front panel in REMOTE position Push <ESC>

Figure 3-9 An access denial screen: Switch in REMOTE position.

3.3.3.2 Level 3

To enter the level 3 menu option, the front panel switches must be as for level 2 access. In addition the WRITE PROTECT switch must be in «ACCESS» position. The user must key a 4 character password to enter level 3 access. The access-screen is operated similarly to an input/store-screen. The blink ing cursor is moved by the <PREV> and <NEXT> keys. A blinking input-field is changed by the plus «+» and minus «-» keys.

When the correct password is entered, the cursor must be moved to the <level 3 access>field. The brackets will then start blinking. The <ENTER> key will now bring the user to the level3 options. The <ESC> key leaves the screen back to the main menu.

LEVEL ACCESS 3 m m m m <level3 access>

Figure 3-10 Level 3 access screen.

3.3.3.3 Leaving the access levels

If the user enters level 2 or 3, an extra menu line is added in the main menu screen. This is a leave current access level option. The user must enter this menu option to quit the current access level - typically when leaving th e ILS.

The access levels are also left when the front panel switches are changed to an illegal position. (e.g. switch in REMOTE position)

>Read syst para L1 Local settings L2 Syst settings L3 Leave access 3

Figure 3-11 The top level main menu screen: User i n level 3 access.

3.3.4 Function listing

The menu system includes the following functionality.

3.3.4.1 Level 1

Readout of all the monitor values, warning and alarm limits. Readout of all the maintenance values and warning limits. Readout of all the delays. Readout of all the TX1 and TX2 configurations.

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OPERATING MANUALNORMARC 7013

INSTRUMENT LANDING SYSTEM

3.3.4.2 Level 2

Ident. configurations with morse si gnal sett ings to normal, cont inuous, TST or of f on TX1/TX2. Local morse speaker on/off on the transmitters.

TX1 and TX2: test-signal 90 Hz or 150 Hz dominance on/off. TX1 and TX2: 90/150 Hz on/off. Communications.

3.3.4.3 Level 3

Settings of all the monitor warning and alarm li mits. Settings of all the maintenance warning limits. Settings of all the delays. Settings of all the TX1 and TX2 configurations.

3-11

Page 32

3-12

Top Menu

NORMARC A/S

- NM7013 2-freq. Localizer

<ESC>

Main Menu Read system para L1 Syst tests L2

Syst settings L3 (Leave access 2/3)

Figure 3-12 The menu tree: The top levels

Syst tests

Read system para

Mon. parameters

21833-3.4

Maint. val. & lim. System delays TX configuration

Ident config. Test DDM signals

TX 90/150Hz on/off Communications Reset hist. storage

Password Menu

LEVEL ACCESS 3 m m m m

<correct password> Syst settings Mon. parameters

Maint. val. & lim. System delays TX configuration

The top 3 levels of the menu tree is shown in Figure 3-12.

3.3.5 The menu tree

OPERATING MANUAL

Mon. parameters Mon. 1&2 alarm par Mon. 1&2 warn. par

Maint. val. & lim. Monito r 1 Monito r 2

LF generator 1 LF generator 2 Mon 1 frontend Mon 2 frontend Oscillator 1 Oscillator 2 Course TX1 PA Course TX2 PA Clearance TX1 PA Clearance TX2 PA DC supplies

System delays

Mon1 delays Mon2 delays

Maint delays

TX configuration

TX1 configuration TX2 configuration

Test signals TX1 Test signals TX2

Ident config TX 90/150Hz on/o ff Morse mode TX1 Morse mode TX2

Set ident speaker

Test DDM signals

Test sig TX1 Test sig TX2

TX1 90Hz on/off TX1 150Hz on/off

TX2 90Hz on/off TX2 150Hz on/off

Communications Bitrate local port Bitrate rem1 port

Bitrate rem2 port Init modem

Mon. parameters Mon. 1&2 alarm par Mon. 1&2 warn. par

Maint. val. & lim. Monitor 1 Monitor 2

LF generator 1 LF generator 2 Mon 1 frontend Mon 2 frontend Oscillator 1 Oscillator 2 Course TX1 PA Course TX2 PA Clearance TX1 PA Clearance TX2 PA DC supplies

System delays

Mon1 delays Mon2 delays

Maint delays

TX configuration

TX1 configuration TX2 configuration

Test signals TX1 Test signals TX2

HBK595-2

INSTRUMENT LANDING SYSTEM

NORMARC 7013

Page 33

INSTRUMENT LANDING SYSTEM

4 Tower Equipment

4.1 Remote Control Operation

PARAM

OPERATING MANUALNORMARC 7013

SILENCE

DISAGR

BATT

IDENT

MAINT

STBY

ALARM

WARNING

NORMAL

ON / OFF

RMM

ACCESS GRANT

CHANGE OVER

DENY

HBK566-1

Figure 4-1 RF1242A front panel.

4.1.1 Glossary

INTERLOCK When an ILS is in active interlock mode (the interlock signal is an input to the

remote control), the ILS wil l turn of f al l active trans mitters and not allow them to be turned on before the interlock condition is removed. This signal overrides manual mode of operation.

4.1.2 Pushbuttons

4-1

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OPERATING MANUAL

INSTRUMENT LANDING SYSTEM

NORMARC 7013

ON/OFF Used to:

• Toggle the ILS on/off. Valid when:

• The LOCAL/REMOTE switch must be in REMOTE position, and

• The interlock signal is not active if the ILS is configured for interlock. CHANGE OVER

Used to:

• Toggle the coax relay and transmitters between TX1/TX2 as the active transmitte r(s). Valid when:

• The LOCAL/REMOTE switch on the ILS is in REMOTE position, and

• The ILS is «on» when he MANUAL/AUTO switch is in AUTO position. SILENCE

Used to:

• Turn off the audio alarm on the remote control (caused by remote status change from NORMAL to ALARM). Also used for lamp test (all lamps are illuminated when this pushbutton is held down).

Valid when:

•Always.

4.1.3 Switches/Switchlocks

GRANT/DENY Used to:

• Give access grant (access level 2/3) for RMS control of the ILS when the switch is in GRANT position. NOTE! This switch may be override by configuration straps on U6 on TC1216A (strap position 7-14). When this switch is in the DENY position no RMS access (at access level 2/3) is allowed.

Valid when:

•Always.

4.1.4 System Status Indications

ALARM Used to:

• Indicate that the ILS has detected an alarm condition.

Activated by:

• One or more alarms present on the ILS, or

• Communic a ti on failure with ILS.

WARNING Used to:

• Indicate that the ILS has detected one or more warning conditions.

Activated by:

• Warni ng condition(s) detected by RMS.

NORMAL Used to:

• Indicate that no alarm conditions are detected by the ILS.

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OPERATING MANUALNORMARC 7013

INSTRUMENT LANDING SYSTEM

Activated by:

• No alarms present, and

• Communication with ILS is OK.

PARAMETER WARNING Used to:

• Indicate that there are one or more monitor parameter warnings present.

Activated by:

• One or more monitor parameters outside the warning limits.

MONITOR DISAGREE Used to:

• Indicate that there are one or more monitor parameter warnings present. The warnings from the monitor 1/monitor 2 are voted before displayed.

Activated by:

• Difference in monitor 1/monitor 2 alarm detection.

BATTERY WARNING Used to:

• Indicate that the ILS is running using the 27V battery.

Activated by:

• Loss of mains for charging the 27V battery.

IDENT WARNING Used to:

• Indicate that the ident is faulty for LLZ.

Activated by:

• Loss of ident Morse coding for LLZ.

MAINTENANCE WARNING Used to:

• Indicate that one or more of the maintenance parameter warnings detected.

Activated by:

• One or more maintenance parameters faulty or outside limits.

STANDBY TRANSMITTER ON AIR Used to:

• Indicate that coax position dir ects the standby transmitter s to the antenna and the main transmitters to the dummy load.

Activated by:

• Coax position differs from transmitter main select.

ALARM BUZZER Used to:

• Indicate that a transition from NORMAL to ALARM has occurred. Reset by pre ssing SILENCE push-button.

Activated by:

• Remote control state transition from NORMAL to ALARM.

4-3

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OPERATING MANUAL

ACCESS Used to:

• Indicate that access level 2/3 has been granted for RMS control.

Activated by:

• Grant/Deny switchlock is in GRANT position.

4.2 Remote Slave Operation

SILENCE

NORMARC 7013

INSTRUMENT LANDING SYSTEM

ALARM

WARNING

NORMAL

ON/ OFF

HBK599-1

Figure 4-2 SF1344A front panel.

4.2.1 Glossary

INTERLOCK When an ILS is in active interlock mode (the interlock signal is an input to the

remote control), the ILS wil l turn of f al l active trans mitters and not allow them to be turned on before the interlock condition is removed. This signal overrides manual mode of operation.

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OPERATING MANUALNORMARC 7013

INSTRUMENT LANDING SYSTEM

4.2.2 Pushbuttons

ON/OFF Used to:

• Toggle the ILS on/off.

Valid when:

• The LOCAL/REMOTE switch must be in REMOTE position, and

• The interlock signal is not active if the ILS is configured for interlock.

SILENCE Used to:

• Turn off the audio alarm on the slave panel (generated by remote control). Also used for lamp test (all lamps are illuminated when this push- button is held down).

Valid when:

•Always.

4.2.3 System Status Indications

ALARM Used to:

• Indicate that the ILS has detected an alarm condition.

Activated by:

• One or more alarms present on the ILS, or

• Communic a ti on failure with ILS.

WARNING Used to:

• Indicate that the ILS has detected one or more warning conditions.

Activated by:

• Warni ng condition(s) detected by RMS.

NORMAL Used to:

• Indicate that no alarm conditions are detected by the ILS.

Activated by:

• No alarms present, and

• Communication with ILS is OK.

4.3 Interlock Switch Operation

The interlock function is used when mutual exclusive operation on different ILS systems is required. An active interlock for a station shall prevent transmission of ILS signals. The interlock signal is connected to the remote contr ol RC1241 and transmitted to the ILS through the remote control connection.

The interlock function on the ILS is enabled/disabled from configuration settings on the TC1216A. The rest of this chapter describes an ILS configured for interlock.

When an active ILS receives an active interlock signal, the ILS performs a shutdown. If the interlock signal is deactivated, the ILS will automatically be turned on after a 20 second delay period.

4-5

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INSTRUMENT LANDING SYSTEM

NORMARC 7013

For maintenance purposes, an interlock override function has been implemented. This function makes it possible to operate the ILS locally in manual mode with an active interlock signal. To activate the interlock override function the foll owing conditions must be met:

• LOCAL/REMOTE switch must be in LOCAL position,

• AUTO/MANUAL switch must be in MANUAL position and

• INTERLOCK OVERRIDE switchlock must be set in horizontal position.

The remote control will always be set in ALARM state when the inter lock override function is activated.

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OPERATING MANUALNORMARC 7013

INSTRUMENT LANDING SYSTEM

5 Remote Maintenance and Monitoring Software

This chapter is the user manual for the Remote Maintenance and Moni toring (RMM) s oftware. Version 3.9 of the RMM software is covered in this chapter. This version can be used to con-

nect to ILS cabinets with version 5 up to and including version 12 of the RMS software.

5.1 Introduction

This paragraph gives a brief description of this user manual, the program and the system requirements.

5.1.1 Description

This manual describes how to use the NM70x x remote monitoring software. The remote monitoring software consists of software running in the ILS rack and on software running on IBM/ PC's and compatibles. The purpose of the system is to retrieve status and measurements from the ILS rack and to change ILS operation and parameters from a remote site. The retrieved data can be displayed and further processed by programs on the PC.

For example, the ILS data can be

• Displayed on the screen.

• Saved on disk for later use.

• Exported to other programs for graphi cal display of parameter variati ons.

5.1.2 Available versions

The NM7000 RMM program is available in a DOS version and a 32 bit version for Windows 95/NT. Both versions are distributed together . Depending on the operating syst em installed on the PC, the user must install one of thes e versions.

5.1.3 System requirements

The PC running the DOS version of the software must be equipped with:

• 386DX33 based computer

• DOS 3.0 or later

• a hard disk

•4 Mbyte RAM

• HIMEM installed

• a RS-232 serial port connected to a Hayes compatible 2400 baud modem

• a printer port & printer, if printouts are desired

For Windows 95 and NT the following are acceptable minimum configurations:

95: 486x33 and 8 MB RAM NT: Minimum 486x66 and 16-20 MB RAM

A recommended configuration for running the DOS version in cludes the following:

• a 486 based computer or better

• a mathematical co-processor (486DX internal is satisfactory)

• a VGA monitor

• DOS 6.0 or later

• I/O board with 16550 UART

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If a 386- or a slow 486-based PC is used, it is recommended to drop the bitrate to 2400 or 4800 bps.

If a mouse is available, it is supported by the RMM software.

5.1.4 Running under Microsoft Windows 3.xx

Neither the DOS version nor the Win95 /NT v ersion of the RMM program runs under Windows

3.xx. The DOS version can, of course, be start ed on a PC with Windows 3.xx inst alled as long

as Windows is not also started. If the RMM-software is run ning on a sl ow PC with Wind ows 95 or NT, avoid to st art up sever al

other applications. This to ensure sufficient processor-time is available for data processing in the NM 7000 RMM.

5.1.5 How to use this manual

The user interface of the RMM software is very similar to the one used in Microsoft Windows. If you are familiar with using Windows programs, you will easi ly understand how to operate this program, and you can skip Chapter 5.2. The next chapters describe each feature of the program. You may want to read these chapters to learn how use the RMM software.

5.1.6 Starting the RMM software

To install the RMM PC Software, create a directory named NM7000 on the hard disk. Then copy the contents of the NMS152A (DOS) or NMS152B (Win95/NT) RMM PC SW floppy to this directory.

To start the program, make the RMM system directory your current directory. Then start NM7000.EXE (DOS) or NM7000.BAT (Win95/NT).

If you are not familiar wit h DOS commands, the abov e step s can be perf ormed with t he follo wing commands:

CD\NM7000↵ NM7000↵

5.2 User interface components

There are three visible components t o the RMM software: the menu bar at t he top, the window area in the middle and the status line at the bottom of the screen. The next few sect ions describe these components, and the information that they display.

5.2.1 The menu bar and menus

The menu bar is your primary access to all the menu commands. The menu bar is always visible. If a menu command is followed by an ellipsis (. ..) choosing the command displays a dialog box. If the command does not have an ellipsis, the action occurs when you choose the command.

Here is how to choose menu commands using the keyboard:

1. Press F10. This makes the menu bar active; the next thing you type wil l relate to the items in the menu bar.

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2. Use the arrow keys to select the menu you want to display. Then press Enter. As a shortcut for this step, you can just press the highlighted letter of the menu title. For example, when the menu bar is active, press F to move to and display the File menu. At any time, press Alt and the highlighted letter (such as Alt+F) to display the menu you want.

3. Use the arrow keys again to select a command from the menu you have opened. Then press Enter. At this point, the ILS Data Sampler either carries out the command, displays a dialog box, or displays another menu.

There are two ways to choose commands with a mouse:

• Click the desired menu title to display the menu and click the desired command.

• Or, drag straight from the menu title down to the menu command. Release the mouse button on the command you want. (If you change your mind, just drag off the menu; no command will be chosen.)

Note that some menu commands are unavailable when it would make no sense to choose them. However, you can always get on-line Help about currently unavailable commands.

5.3 Shortcuts

The software offers a number of quick ways to choose menu commands. The click-drag method for mouse users is an example. From the keyboard, you can use a number of keyboard shortcuts (or hot keys) to access the menu bar, choose commands, or work within dialog boxes. You need to hold down Alt while pressing the highlighted letter when moving from an input box to a group of buttons or boxes. Here is a list of the shortcuts available:

Do this To accomplish this...

Press Alt plus th e highlighted letter of the command (just press the highlighted letter in a dialog box).

Display the menu or carry out the command.

Type the keystrokes next to a menu command. Carry out the command.

Table 5-1 Shortcut commands.

For example, to display a prev iously saved log , press Alt+F D (for File |Di splay log) or you can just press F3, the shortcut displayed next to it.

5.3.1 The desktop area

Most of what you see and do in the ILS Data Sampler environment happens in a window. A window is a screen area that you can open, move, resize, zoom, til e, and overlap. Every window is positioned on the desktop, the area between the menu bar and the status line.

You can have many windows open at the same time, but only one window can be active at any time. Any command you choose or text you type generally applies onl y to the active window.

You can spot the active window easily: It is the one wi th th e double-lined border ar ound it. T he active window usually has a close box, a zoom box, and scroll bars. If your windows are overlapping, the active window is always the one on top of all the others.

There are several typ es o f windows , and they may h ave all o r some of t he foll owing cha ract er-

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istics:

• a title bar

• a close box

• scroll bars

• a zoom box

• A window that controls a modem also has a flow display icon. This icon is normal ly chang- ing, indicating that new data is received from the ILS station.

The close box of a window is the box in the upper left corner. Click this box to quickly close the window. (Or choose Window | Close, with shortcut Alt+F3). The Help window is considered temporary; you can also close it by pressing Esc.

The title bar, the topmost horizontal bar of a window, contains the name of the window. Dou- ble-clicking the title bar zoom the window. You can also drag the title bar to move the window around.

The zoom box of a window appears in the upper right corner. If the icon is an up arrow, you may click the arrow to enlarge the window to the largest size possi ble. If the icon is a double headed arrow, the window is already at its maximum size. I n that case, clicking it returns the window to its previous size. To zoom a window from the keyboard, choose Window | Zoom, with shortcut F5).

Shortcut: Double-click the title bar of a window to zoom or restore it.

5.3.1.1 Scrolling the contents of a window

Scroll bars are horizontal or vertical bars with an arrow in each end, and a box between these.

You use the scroll bars with a mouse to scroll the contents of an ILS parameter display window. Cl ick the arrow at either end to scr oll one line at a ti me. (Keep the mouse butt on pressed to scroll continuously.) Y ou can cli ck the shaded area to eit her side of the scroll box to sc roll a page at a time. Finally, you can drag the scroll box to any spot on the bar to quickly move to a place in the window relative to the position of the scr oll box.

5.3.1.2 Resizing a window

You can resize a window by dragging the resize corner (the bottom, right corner) of the window. The resize cor ner is di splayed as singl e outline part of the window frame. To resize using the keyboard, choose Size/Move from the Window menu. Pressing the arrow keys will then move the window, and Shift+arrow keys resizes the window. Note that resizing only applies to windows which has a resize corner.

5.3.1.3 Quick window management

The next table gives yo u a quick run-down of how to handle windows in the ILS Dat a Sampler. Note that you don't need a mouse to perform these actions - a keyboard works just fi ne.

Every window that display s ILS parameter s has a small cont rol window. This control window is placed at the upper left corner of the desktop when you choose to display a log fi le, or connect to an ILS station.

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To accomplish this: Use one of these methods

Open and display a saved log file Choose File | Display log. Close a window Select the window, and press Alt+F3. Hang up phone and close data window Select the corresponding cont rol window, and press

Alt+F3.

Move the active window Drag its title bar. Or choose Window | Size/Move

and use the arrow keys to place the window where you want it, then press Enter.

Resize the active window Dr ag the bottom right corner. Or choose Window |

Size/Move and press Shift while you use the arrow keys to resize the window, then press Enter.

Zoom the active window Click the zoom box in the upper right corner of the

window, or Double-click the window's tit le bar, or Choose Window | Zoom

Table 5-2 Quick window operations.

5.3.2 The status line

The status line appears at the bottom of the screen. It

• reminds you of basic keystrokes and shortcuts (or hot keys) applicable at that mome nt in the active window.

• lets you click the shortcuts to carry out the action instead of choosing the command from the menu or pressing the shortcut keystroke.

• offers one-line hints on any selected menu command and dialog box items.

• tells you how much memory is currently available

The status line changes as you switch windows or activities. One of the most common status lines is the one you see when you are browsing a log file, or logging data. When you've selected a menu title or command, the status line changes to display a one-line summary of the function of the selected item.

5.3.3 Dialog boxes

A menu command with an ellipsis (...) after it leads to a dialog box. Dialog boxes off e r a con- venient way to view and set multiple options. When you are making settings in dialog boxes, you work with five basic types of on screen controls : Action buttons, radio buttons, check boxes, input boxes, and list boxes. Here is a sample dialog box that illustrates some of these items:

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Figure 5-1 A sample dialog box.

5.3.3.1 Action buttons

This dialog box has two standard buttons: OK and Cancel. If you choose OK, the choices in the dialog box are accepted; if you choose Cancel, nothing changes and no action takes place, and the dialog box is put away. You can press F1 to open a Hel p window for this dial og box. Esc is always a keyboard shortcut for Cancel (even if no Cancel button appears).

If you are using a mouse, click the dialog box button you want. When you are using the keyboard, press Alt and the highli ghted letter of an item t o activate it . For example, ALT+O selects OK because the O in OK is highlighted. Press Tab or Shift+Tab to move forward or back from one item to another in a dialog box. Each element is highlighted when it becomes active.

In this dialog box, OK is the default button , which means you need only pres s Enter to choose that button. (On monochrome systems, arrows indicat e the default; on color monitors, default buttons are highlighted.) Be aware that tabbing to a button makes that button the default. You can then press Space to choose that button.

5.3.3.2 Radio buttons and check boxes

Radio buttons are like car radio buttons. They come in groups, and only one radio button in the group can be on at any one time. To choose a radio button, cli ck it or it s te xt. Fro m the keyboard, select Alt and press the highlighted letter (if any), or press Tab until the group is highlighted and then use the arrow keys to choose a particular radio button. Press Tab or Shift+Tab again to leave the group with the new radio button chosen.

Check boxes differ from radio buttons in that you can have any n umbe r of check boxes checked at any time. When you select a check box, an x appears in it to show you it's on. An empty box indicates it's off. To change the status of a check box, click it or its text, press Tab until the check box is highlighted and then press Spacebar, or select Alt and the highlighted letter (if any).

If several check boxes apply to a topic, they appear as a group. In t hat case, tabbing moves to the group. Once the group is selected, use the arrow keys to select the item you want, and then press Spacebar to check or uncheck it. On monochrome monitors, the active check box or group of check boxes will have a chevron symbol (>>) to the left and right. When you press Tab, the chevrons move to the next group of check boxes or radio buttons.

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5.3.3.3 Toggles

Toggles let you select one setting out of a group defined settings. They are similar to Radio buttons (chapter 5.3.3.2); except that only the selected setting is displayed. You select other settings by clicking on the text showing the toggle setting, or by pressing the space bar.

5.3.3.4 Input and list boxes

Input boxes let you ty pe in t ext . Most bas ic te xt-edi ting k eys work in the text b ox ( for exa mple, arrow keys, Home, End, and Ins). If you continue to type once you reach the end of the box, the contents automatically scr oll. If ther e is more text than what shows in the box, arrowheads appear at the end. You can click the arrowheads to scroll or drag the text.

If an input box has a down-arrow icon to its right, there is an associated history list. Click the down arrow icon, or press the down arrow key to display the list. You will find text you typed the last few times you used the input box. Press Enter to choos e an item from this li st. You can also edit an item in the history list. Press Esc to exit from the history list without making a selection.

A final component of many dialog boxes is a list box, which lets you scr oll through and select from variable-length lists (often file names) without leaving a dialog box. If a blinking cursor appears in the list box and you know what you are looking for, you can type the word (or the first few letters of the word) and the ILS Dat a Sampler will search for it.

You make a list box active by clicking it or by choosing the highlighted letter of the list title (or press Tab until it's highlighted). Once a list box is displayed, you can use the scroll box to move through the list or press the arrow keys on the keyboard.

5.4 Configuring the RMM system

This chapter describes how to configure the RMM system. The configurat ion settings cov ered in this chapter does not affect the operation of remote IL S systems in any manner. It applies to the “PC part” of the system only.

The configuration dialogs is accessed via the Options menu. The following sub-chapters covers each of the menu items on this menu.

5.4.1 Communications setup

The software allows you to connect the modems to two of four communications port s; COM1 COM4, with configurable IRQ's for COM3 and COM4. The ILS st a tion may al so be connect ed directly to the PC by the use of a null modem cable.

The communication with the ILS is done with the use of a Channel construct. In the stati on setup for an ILS station one selects a Channel in which the communication with the remote ILS shall flow . Each channel is then associated with a specific set of configurable communication settings.

Choosing Communications setup brings up the following dialog

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Figure 5-2 Com port setup dialog

Selecting one of the Channel setup buttons opens up a dialog like Figure 5-3 shows.

Figure 5-3 Channel setup dialog

Note: DOS version also has the “Modem hangup String” and “Use DTR to hangup” fields in this window. In the Win95/NT version DTR will always be used to hangup the modem.

The items in this dialog has the following purposes.

Item Purpose

Port Specifies the serial communications adapter to which the

modem or ILS is connected.

Bit rate Specifies the bit rate to use when communicating with the

modem or ILS.

Use DTR to hang-up Select this if the software should use the DTR line instead of t he

"Modem hang-up string" to make the modem hang up. This is faster and safer than using the Modem hang-up string.

Direct connect Select this if the PC is connected to the ILS via a null modem

cable.

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Item Purpose

Leased line Select this if the PC is connected to the ILS via dedicated

leased line modems.

Normal dial-up Select this if the PC shall connect the ILS via modem on a pub-

lic telephone network.

Modem Init Stri ng This string will be sent to the modem before each dialing proc-

ess starts. The default is ATZ, which performs a software reset of the modem.

Hang-up String Command to make the modem hang up the phone.

Table 5-3 Channel setup operations.

Modem configuration

5.4.1.1 Close Connecti on

Selecting the "Use DTR to hang-up" is recommended, as this method for closing the connection is both safer and faster than the "+++" escape sequence (Hang-up string). Note that the modem must be configured with the AT&D2 command for the "Use DTR to hang-up" method to work (some modems do not include this command in their default initiation).

5.4.1.2 Recommended init-strings

Refer to the Technical notes at the end of this chapter for information on how to set up the modems on different types of connection.

5.4.2 IRQ setup

Selecting the IRQ setup button in the Com port setup dialog opens the following dialog.

Figure 5-4 IRQ setup dialog

This dialog allows alternate IRQ selections for COM3 and COM4.

NOTE

The Win95/NT version does not have this dialog, as these settings are handled at the

operating system level.

5.4.3 Printer setup

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The Printer setup dialog contains options for an optionally connected printer. The dialog is shown below.

Figure 5-5 Print setup dialog

The purpose of each field in the dialog is described below.

Item Purpose

Port Determines the printer port to use for the printing.

If “File” is selected the output will be sen t to the file specified in the string input field. The file will be created in the “Log directory” for the current stat ion (see 5.5).

Print frames Allows enabling/disabling the printing of special frame charac-

ters. Uncheck this checkbox i f your pri nter does n ot support the PC-8 bit character set.

Send form-feed Allow for sending a form-feed (ASCII 12) character to the pr inter

following each print-out. The extra form-feed is required by most laser printers.

Table 5-4 Print setup operations.

To print the report, select File|Print report.

5.4.4 Preferences

The Preferences dialog allows the user to set general program preferences

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Figure 5-6 Preferences dialog

The DDM setting applies to all user input and all screen or printer output of DDM measurements. Selecting % means that input/output is in percent, likewise, select ing uA results in micro ampere input/output.

The date format field selects day-month-year or month-day-year display of ti me.

5.4.5 Toggle video mode

This menu selection toggles the current video mode between 25 lines and 43/50 lines.

5.4.6 Set date/time

To set the date and time of the PC, select Set date/time from the Options menu. A dialog as show next is shown.

Figure 5-7 Set date/time dialog

In the Date field, enter the current date in day.month.year format if DD.MM.YY is selected in the Preferences dialog ( Figure 5-6) . Els e enter t he date in MM.DD.YY for mat. In t he time fi eld, enter the current time of day in standard 24 hour format.

5.5 Setting up ILS stations

Before connecting to an ILS station the st ation must be added to the “station list”. Some information about each station must also be entered, e.g. the number to dial to connect to the station. This chapter describes how to set up ILS stat ions.

Selecting the ILS | Station list menu command brings up a dialog like the one shown below.

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Figure 5-8 Station list dialog.

This dialog contains a list showing the name and number of the configured stations. Use the scroll bar to the left of the list to scr oll or user the up/down arrow keys. If the selected Channel for a station is a “Direct connect” channel, the number field will show DIRECT/CHx. Up to 50 stations may be configured.

The following table describes how use this dialog.

To accomplish this Do this

Change the configuration for a specific station.

Select the station from the list, and press the Edit button. You can also press ENTER, when the desired stati on is hi ghlight ed. Double-clicking the desired station also activates the Edit function.

Add a new station to the list Press the Add button, or edit an empty name/number line from

the list.

Delete a station Select the station you want to delete and press the Delete but-

ton. You may also press Del on your keyboard.

Connect to the station

Press the Connect button. (see the Displaying measurements chapter)

Table 5-5 Station list operations.

When you have selected Add or Edit from the above dialog, another dialog appears. This dialog is shown in Figure 5-9.

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Figure 5-9 ILS Station setup dialog

The table below describes the meaning of each field in the ILS Station setup dialog.

Use field To specify

Station name A name for the ILS station. Holds up to 20 characters. This

name is saved in the log files you create. Number The telephone number of the ILS station. This string is passed

directly to the modem, meaning that special chara cters like ',' or

other characters can be included if the modem understands

them. Log dir. name The name of the directory where downloaded measurements

shall be stored. The directory is made if it do not exist. Auto download MED

storage

Whether or not the medium time periodic storage should be

downloaded automatically each day. Start time The time of day to start the automatic MED download. I/O channel Which I/O channel to use when connecting to this station.

(See the Communications setup chapter)

Table 5-6 ILS station setup operations.

5.6 Connecting to an ILS station

To connect to an ILS station the station must first be added to the Station List, as descri bed in chapter 5.5. When this has been done, just press the “Connect” button in the ILS St ation List dialog. The software will try to make a connection to the station. Once a connection has been established you will be prompted to enter your use rname and passwords. You enter this information in the dialog box shown in Figure 5-10.

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Figure 5-10 Login dialog box

Your assigned access level depend on the number of passwords and the username entered. Different passwords must be separated with a space character. The following table outlines the access level properties, and how to gain them. Increasing access levels adds more access rights, and retai n ing the rights for the lower access levels.

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Access level You enter Access rights

1 your username and 1

password

2 your username and 2

passwords

3 your username and 3

passwords

MASTER username MASTER

and 3 passwords

Table 5-7 Login access rights.

When you have entered correct login i nformation and pr essed the OK butto n, the pr ogram will start to retrieve ILS configuration data. Windows that was open the last time you was connected to the ILS will automatically be opened when the ILS configu ration has been received.

If you enter invalid login information the ILS will not grant you access rights to the ILS. The software will display a message telling you what went wrong, and let you perform another login attempt. You have three attempts. If all attempts are used without success the ILS will disconnect and not allow more login attempts for 3 minutes.

When the program has received the configura tion dat a, th e ILS configur ation will be display ed in a window in the upper lef t corne r of the deskt op area. This wi ndow will be re ferr ed to as the “Link” window. Figure 5-11 shows a typical Link window.

Read all measurements/status and show all settings, and download.

Change front panel settings and change settings in the “Ident and mod. switches” window.

Change all settings (except user administration)

Set up new users and change passwords.

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Figure 5-11 A typical Link windo w

5.6.1 Shutting down the connection to an ILS

To shut down an ILS connection, close the Link window for the connection you want to shut down. For information on how to close a window, see Table 5-2.

Do not close the windows you want reopened the next time you connect to this ILS station.

5.6.2 Baud rate recommendations

When connecting to the ILS at 9600 bps, Remote port 2 or Local port on the ILS should be used. For performance reasons, remote port 1 should not be used at 4800 and 9600 bps. This will affect the response times of the Local RMS front panel as well as message handling on the other RS-232 ports.

5.7 Monitor measurements and status

5.7.1 General

The functions described in this and the following chap ters are accessed via the ILS|Measurement sub-menu.

The windows described here will automatically be update d with new measurements as long as the windows remain open.

The monitors signal the state of each par ameter. For analog measurements, the stat es wi ll b e displayed by a character code preceding the measurement and by the col or of the displayed number.

State Character code Colour code

Normal (None) (Black) Raw warning w Yellow Delayed warning W Yellow Raw Alarm a Orange (light red) Delayed Alarm A Red

Table 5-8 Monitor codes.

For digital measurement only two states are defined; OK and ERROR. The ERROR string is shown in red, while the OK string is shown in black.

5.7.2 Monitor window

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To display the parameters shown in the window below select the ILS|Measurements|Monitor Window 1 menu item. This window displays the standard monitor parameters (DDM, SDM and RF-level) for each of the monitor channels (Course line, Displacement Sensitivity, Near field and Clearance Transmitter (2-freq. systems)). In addition, Difference Frequency (2freq.systems), DC-loop and Ident in formation are di splayed. The res ult of the cont inuous monitor self test is also shown.

Figure 5-12 Monitor window

The DC loop status shown in this window will be OK if all the DC loop readings are within the warning limits, else ERROR is displayed (DC loop r eadings for each loop is displayed in Monitor window II).

5.7.3 Additional monitor parameters window

Selecting ILS|Measurements|Monitor 2 bri ngs up the fol lowing window. This window shows secondary monitor parameters.

Due to the nature of the monitor self test signals, the values wi ll toggle between alarm and normal. If one of these erroneous te st signals f ails to generate alar m, a self test erro r will be i n Monitor Window 1. The CL/CLR MORSE parameters shows the modulation level of the ident signal. No activity on this signal for the time peri od specified in the ident delay setting, will result in an IDENT warning in Monitor Window 1.

Depending on the antenna system installed, up to 4 DC-loops can be active. The DC LOOP parameter in Monitor Window 1 shows accumulated status of the 4 DC-loops.

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Figure 5-13 Additional monitor paramet ers window

5.7.4 External paramet e rs window

Selecting ILS|Measurements|External brings up t he following window. This window shows the measurements on the external channels. The NM 70xx can provide executive monitoring of signals from external equipment, defined by the user (option).

For external channels that are not used, no measurement field will be shown (e.g. the standby measurement field will be shown (e.g. the st andby measurements in Figure 5-14)

Figure 5-14 External parameter s window

5.7.5 Maintenance monitor window

Selecting ILS|Measurements|Maintenance brings up the window shown below. The maintenance warning parameters are displayed in groups corresponding to the modules on which they are measured. A separate group consists of the main power supplies and current measurements. In this way, the origin of a maintenance warning can easily be deduced.

If one maintenance parameter on a module is in warning status, the module to which it belongs is given the same status. Therefore, it can be easily determined the maintenance warning status of the system by looking at the top window (Figure 5-15) only.

The following table shows the defined status codes.

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Status Status code

All parameters OK OK Raw warning on at least one param. WARN (R) Delayed warning on at least one param. WARN (D)

Internal I

C error on at least one param.

ERROR

No measurements applicable N/A

Table 5-9 Status codes.

Digital parameters are displayed as outlined in the above table. Analog parameters are displayed with the same character and color codes as the monitor measurements.

By selecting a board on the list and double-c licking it or pressin g Enter opens another window which displays the status/measurements on that specific board.

Figure 5-15 Maintenance monitor window

The following figures show the available status/measurement windows.

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Figure 5-16 Monitor maintenance parameters

Figure 5-17 TX maintenance parameters

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Figure 5-18 PA maintenance parameters

Figure 5-19 DC-Supplies maintenance parameters

Figure 5-20 RMS maintenance parameters

Figure 5-21 TX Control maintenance parameters

5.7.6 User parameters window

Selecting ILS|Measurements|User brings up the window shown below. This window shows the user defined input/output states and measurements.

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Figure 5-22 User parameters window (sample configuration).

If a digital user paramet er is defined as a out put and you have at least acces s level 2, you can change the output value by changing the state of the corresponding toggle in this window.

5.8 Monitor settings

The functions described in this and the following sub-chapter are accessed via the ILS|Monitor settings sub-menu.

The current access level determin es which fun cti ons wil l be avai lable. If a functi on is not avai lable because of to low access level, the function will not be possible to activate.

All access levels allow the currently stored sett ing to be displayed; but in order to change a setting an access level of at least 3 is required.

5.8.1 Limits Monitor 1&2

When the ILS|Monitor settings|Limits Monitor 1&2 menu option is sel e cted a window showing the currently configured monitor 1 and 2 alarm and warning limits is display ed. A window with sample data is displayed below.

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Figure 5-23 Monitor 1&2 limits window

The alarm limit field will show “OFF” if the alarm limit is equal to the maximum or minimum value.

The warning limit field for CL IDENT, CLR IDENT and external channels (i.e. FFM RF and VOICE) will show “n/a” as the warning limits for these parameters is not def ined as a percentage of the alarm limits.

The “MON 1 Limits” and the “MON 2 Limits” buttons will only be displayed for access level 3 and master user access level.

In order to change the alarm and/or warning limits for a specific parameter; first select the parameter in the list box, then selec t the “MON 1 Limits” butt on or the “MON 2 Limits” button if you want to change either monitor 1 or monitor 2 alarm/warning.

When one of the above mentioned buttons is selected a dialog similar to the one below is opened. In this dialog one may enter new alarm limits and warni ng limit for the currently selected parameter. The alarm limits is always relative to t he nominal value. The warn ing limit is always entered in percent of the selected alarm limit.

If the Symmetric button is pressed the alarm limit is entered as a value which is symmetric around the nominal value; hence only one alarm limit wi ll have t o be ente red in the sy mmetric

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mode. The arrowheads after each input field in this dialog can be clicked on to increase or decrease

the displayed limit value. Hold down Shift to increment/decrement by a larger value. The up and down arrow keys may be used instead of the mouse.

Due to the digital represent a tion of t he alarm and warning limits, the entered value is rounded to the nearest 12-bit digital value. The actual stored value, which is read back to the dialog box, can therefore differ slightly from the entered value.

The text OFF may be entered in alarm limits field to inhibit low, high or any alarms on the current monitor parameter. If OFF is entered, one would normally enter 100 (%) in the warning field, in order to also inhibit warning indications. For parameters where the warning limits is not in % of the alarm limits , large negat ive and pos itive numbers must be entered to i nhibit t he warning. See Appendix B for recommended values.

Figure 5-24 Monitor parameter input dialog

The NAME button is used to change the parameter name. This applies to the ext ernal channels only.

Refer to appendix B for the factory default values o f all monitor parameters.

5.8.2 Limits Standby monitor

When the ILS|Monitor settings|Limits Stdby monitor menu option is selected a window showing the currently configured standby monitor alarm and warning limits is displayed. This window is used in the same way as the Monitor 1&2 limits window, described above.

5.8.3 Delays

Selecting ILS|Monitor settings|Delays brings up the Monitor Delays window, shown below. The NM70xx is configured with three separately adjustable delays: Normal, Near Fiel d, Ident and Far Field Monitor. This window displays the currently configured Monitor 1&2 (equal delays) and standby monitor delays. To change a delay; first select the desired parameter on the list and then press the “Mon 1 and 2” button if the delay for Monitor 1 and 2 should be altered, else press the “Stdby” button for a standby monitor delay change.

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Figure 5-25 Monitor delays window

A standby column will be shown if the system is equipped with a standby monitor. The resolution of the delay parameters is 1/10 second.

Once the “Mon 1 and 2” or the “S t dby” bu tton has be pressed a n input dialog l ike the one show below is opened. Enter the desired delay in the field, or use the up and down arrows to increment/decrement the current value. When the “Update” button is selected, the ILS will be updated.

Figure 5-26 Delay input dialog

Valid input range in this window is 0.4 to 102.3 seconds. The tot al changeover-shutdown delay will be two times this value. See Appendix B for recommended values.

5.8.4 Limits Maintenance monit or

When the ILS|Monitor settings|Analog maintenance limits or Digital maintenance limits menu item is selected a window showing the currently configu red anal og/digital maintenance monitor warning limits is displa yed. Windows with sampl e data is di splayed below. The board name is shown idented to the left. The maintenance parameters is show after each board name.

For analog parameters the “Low” and “High” columns sh ows the low and high warning limits. For digital parameters a single column show the “normal state” for the parameter. If the parameter state is not equal this state a maintenance warning will be generated by the ILS RMM software. If no warning is wanted for a parameter the columns will display “O FF”.

See Appendix B for factory default settings.

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Figure 5-27 Analog maintenance monitor limits window

This list is scrollable, all defined parameters are listed in the Maintenance monitor chapter.

Figure 5-28 Digital maintenance monitor limits window

This list is scrollable, all defined parameters are listed in the Maintenance monitor chapter. To change a warning limit; first selec t the desired p arameter on the list and p ress the “Change”

button. Depending on the type (digit al/analog) of the dialog, one of t he dialogs shown next wi ll

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be opened.

Figure 5-29 Input dialog for digital maintenance parameters

To change the setting for a digital parameter cl ick in the normal st ate field or use the space ba r to toggle. The normal state field will toggle between Low, High and OFF. The settings for the CHARGER 1 STATUS and CHARGER 2 STATUS parameters is On and Off.

Press the Update button when the desired state is shown.

Figure 5-30 Input dialog for analog maintenance parameters

To change the setting for a analog parameter, type in the wanted low and high warning limits in the corresponding fields. Then press the Update butt on.

5.8.5 Delays Maintenance monitor

To display or change the maintenance monitor delay parameters, select the ILS|Monitor settings|Delays maintenance monitor menu item. The window shown below will be displ a yed. The operation of the window is similar to the operation of the Monitor delays window .

Figure 5-31 Maintenance delay window

The resolution of the maintenance delay parameters is 1 second. Valid input range is 1 to 1023 seconds.

5.8.6 Analog user parameters

Selecting ILS|Monitor sett ings|Analog user para meters opens the window i n Figure 5- 32. This

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window shows the current settings for the analog user parameters.

Figure 5-32 Analog user parameters definiti ons

The following definitions c an be made for t he analog user p arameters: Name, lower and upper warning limits, and scale and offset constants for conversion to engineering units. There is also a field for enabling/disabling gener ation of a maintenance warning.

To change the settings for a parameter, select the parameter on the lis t and press the “Change” button. This brings up the dialog shown below.

Figure 5-33 Analog user parameter settings dialog

5.8.7 Digital user parameters

Selecting ILS|Monitor settings|Digital user parameters opens the window shown below. This window shows the current settings for the digital user parameters. There are six p arameters which operate as digital input or output , and two parameters which count number of positive transitions on the corresponding digital inputs. The counter will count from 0 to 99, and be automatically reset to 0.

Figure 5-34 Digital user parameters definitions

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The following definitions can be made for the digital user parameters: Name, input or output selection, whether the value shall be inverted or not, and warning state of the parameter (TRUE / FALSE / NONE).

To change the setting for a I/O parameter, select the parameter on the list and press the “Change” button. This brings up the dialog shown below.

Figure 5-35 Digital user parameters settings dialog

For the counter parameters; the “Change” button opens a dialog where the label text can be modified.

5.9 TX settings

5.9.1 TX Adjustments

Selecting the ILS|TX settings|TX adjustments menu item opens the window shown below.

Figure 5-36 TX adjustments window

The following TX parameter s can be changed for Course and Clear ance (2-freq. systems) for transmitter 1 and 2:

• 90Hz & 150Hz modulation balance (DDM),

• 90Hz & 150Hz modulation sum (SDM),

• RF power

• Ident modulation depth

• In addition, the runway Morse code identification (2-4 letters) is entered here. To change TX adjustment values click the TX1 or TX2 buttons. A dialog similar to the one

below will be opened. To change the parameter value you have the following options:

• Click on the up and down arrows to increment/decrement the value. The ILS will automati-

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cally be updated when you stop changing the value.

• Press the up and down arrows on your keyboard to increment/ decrement the value. Holding Shift down will increment/decrement by a larger value. The ILS will automatically be updated when you stop changing the value.

• Enter a new value in the numeri c input f ield. The ILS will be updated when you p ress Enter or click the Update button.

Figure 5-37 TX Adjustment input dialog

The TX-adjustment values are the positions of digital potentiometers used and stored in the EEPROM on the LF generator boards. The values are unit-less integers in the range 0-4095. See Appendix B for typical values used.

5.9.2 Ident. and modulation switches

Selecting ILS|TX settings|Ident. and modulation swit ches brings up the window shown below.

Figure 5-38 Ident. and modulation switches window

In this window the LF generator 90 Hz and 150 Hz signals may be switched on or off and the Morse code and VOICE settings may be changed (LLZ only). VOICE on/ off is only applicable for VOICE configured Localizers. The following t able descr ibes the ef fec t of each Morse code setting.

Setting Transmitted ident.

OFF None (silent) NORMAL The one selected in TX adjustments - Morse code CONT. Continuous 1020 Hz tone. TST The Morse code for TST

Table 5-10 Morse code settings.

5.9.3 CLR mod. and DME settings

Selecting ILS|TX settings|CLR mod. and DME settings brings up the window shown below.

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Figure 5-39 CLR mod. and DME settings dialog

The fields in this window specifies the operati on of the DME interface (LLZ only) and quadrature modulation of the CLR LF signal (2-freq. systems only).

The following table describes the each selection.

Keying master LLZ LLZ is the keying master

DME DME is the keying master

DME active signal OPEN Open circuit indicates active DME (enables colocation)

CLOSED Closed circuit indicates active DME (enables colocation)

Quadrature mod. OFF Do not quadrature modulate the clearance LF signal.

ON Enable quadrature modulation of the clearance LF signal.

Table 5-11 CLR modulation and DME settings.

5.10 Power scaling

NOTE

The scaling values in this window should only be changed on racks with the first ver-

sion of the PA module (LPA1230A/GPA1231A/GPA1232A version 1). On newer PA mod-

ules, the power reading is pre-adjusted, and the scaling value shoul d be set to 1.0.

Selecting ILS|TX Settings|Power scaling when connected to an ILS with RMS software version 10, or later, will bring up the window below.

Figure 5-40 Power scaling settings

The scaling values will normally be in the range 0.5-2.0. The values in this window can be used to adjust the power measurements done on the trans-

mitters. The measurement values are displayed in the maintenance windows for the transmit-

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ters. These scaling values are stor ed in the RMS s ystem in t he ILS. Thi s implies that the values will

have to be changed if a PA module is replaced.

5.11 Front panel operation

When ILS|Front panel is selected a window displaying the same information as the ILS front panel is opened. See Figure 5-41.

Figure 5-41 Front panel window

Pressing buttons in this window has the sa me effect as pressing the corresponding switch on the ILS front panel.

Note that some switches on the ILS front panel is not possible to change from the RMM system (e.g. write protect). The settings of these switches is displayed as “LED’s” in this window .

5.12 Get historical data

5.12.1 General

Selecting ILS|Get historical dat a opens the Storage download window, shown in Figure 5-42. This window is used to download one of the data storages.

The different storages contain the following information. All stored items are given a corresponding time stamp:

• Alarm storage: Samples of all monitor and maintenance parameters for a period starting from 30s before an alarm occurred and ending with the actual alarm sample. Up to 7 alarm storages can be stored in the ILS. The RMM will download all storages into one alarm storage file.

• Warning storage: One sample of al l monitor and maintenance parameters at the ins tant when a warning LED is activated. The 25 last warnings are stored.

• Medium time periodic storage: One sample of all monitor and maintenance parameters stored periodically at user specifi ed intervals (see 5.22). The storage contai ns the last 96 samples.

• Long time periodic storage: For every day through a 180 days period, the mean value and

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standard deviation of all monitor and analog maintenance parameters.

Figure 5-42 Storage download window

E.g. to download the alarm storage buffer; just select the Alarm storage radio button and press the “Download“ button. The software will then retrieve the alarm storage and store the data on the local hard disk.

The software automatically creates a name for the fi le in which the data is st ored. The name is of the form YYMMDD.ext. Where YY is the last two digits of the cur rent year, MM is the month and DD is the day of month number. The fi lename extension field is defined in the following table.

Storage type Extension

Medium time periodic .MED Long time .LON Warning .WRN Alarm .ALA

Table 5-12 Filename extensions.

The file will be created in the directory specified in the Log dir. field of the current station setup.

5.12.2 Alarm storage specific

The software will check the .ALA file for the current day (if it exists) to see wheth er or not a new alarm has occurred. If no new alarm is available in the ILS storage buffer no data will be downloaded, and you will be notified about the situation.

5.13 Continuous data logging

When ILS|Continuous logging is selecte d the dialog in Figure 5- 43 is opened. From this di alog the user controls the writing of received data to a file. The data written to a file can be displayed on screen and exported to text format f or later use in a spreadsheet program. The user may select which types of data to be stored on disk, as displayed in Figure 5-43.

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Figure 5-43 Continuous logging dialog

The time interval between each time a sample is stored can also be configured in t his dialog. The intervals must be entered in seconds and tenths of a second. The storage interval information entered in this dialog will be stored and associated with the current station.

The software automatically creates a name for the fi le in which the data is st ored. The name is of the form YYMMDD.ext. Where YY is last two digit s of the current y ear , MM is the mont h and DD is the day of month number. The filename extension field is CNT.

The file will be created in the directory specified in the Log dir. field of the current station setup.

The "Stop cont logging" button in this window can be used to stop logging continuous data (once it has been enabled). When continuous logging has been turned on the "Continuous log" field in the Link window displays "ON".

5.14 Events

Selecting ILS|Events brings up the window shown in Figure 5-44. This window displays the last 50 events (user operations , log -in/out, alarms, war nings) i n a scroll able li st. The di splayed fields are:

• The time when the event occurred

• The user caused the event (if any)

• The event type description

Event diagnostics is also invoked from this window, see chapter 5.24 for a description of this feature.

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Figure 5-44 Events window

5.15 Test DDM

The ILS|Test DDM function is for use when a DDM flight test is performed on the system. The Test DDM window is shown in Figure 5-45. The window contains the following fields:

• The current CL and NF DDM nominal, measurement, and low and high alarm limit.

• Buttons for quick access to the monito r alarm/warning configuration dialog (see chapter

5.8.1).

• DDM adjustment “potentiometers” for adjusting dominance levels. The Inc and Dec buttons increase/decrease the dominance level. NOTE: Pressing Inc on a 150 Hz level will decreas e the potentiometer value, while Dec will increase the value.

• Toggles for setting the type of dominance (toggles between Off, 90 Hz and 150 Hz)

The required access levels for the fields in this dialog is as follows:

• To change monitor limits (use of the “monitor CL/NF DDM” buttons) requires access level 3.

• All other settings require access level 2.

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Figure 5-45 Test DDM window

The test DDM values are unit-less integers in the range 0-4095.

5.16 Set ILS date/time

The functionality of the ILS|Set ILS date/time window depends on whether or not the user is logged in as an ordinary user or as master user. When logged in as a master user this window allows setting of the ILS RMS system clock. When logged in as an ordinary user, this window displays the current ILS RMS system date/time.

Figure 5-46 ILS date/time window.

The available master user operations is outlined in the table below.

Field Description

New Date Holds the date to be sent to the ILS upon an Update but-

ton activation.

New Time Holds the time to be sent to the ILS upon an Update but-

ton activation.

Update (button) Sets the ILS RMS clock to the date/time specified in the

New Date and New Time fields.

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Field Description

Sync with PC clock (button) Sets the ILS RMS clock equal to the local PC system

clock.

Close (button) Closes the ILS date/time window.

Table 5-13 Master user available operations.

5.17 User administration

The functionality of the ILS|User list/adm. window depends on whether or not the user is logged in as an ordinary user or as master user. When logged in as a master user this window allows configuring of existing and new users which shall be granted access to the RMM system. When logged in as an ordinary user, this window only displays the last time each user was logged on.

The following is a description of the available operations when logged in as a master user.

Figure 5-47 User administration window

The available master user operations is outlined in the table below.

Operation

(button)

Description

EDIT Edit the username and/or passwords for the currently selected

user ADD Add a new user DELETE Delete the currently selected user MASTER Edit the passwords for the master user DISPLAY Edit the password for the ILS front panel display pa nel.

Table 5-14 Master user operations.

When Edit, Add or Master is selected in the User administration window a dialog showing the currently defined username and p asswords i s opened. In t his dia log y ou may enter or c hange the username and password(s).

Note that passwords must be 6-8 characters in length. Both the username and passwords should only consist of characters in the range A-Z, a-z or 0-9.

The username for the master user cannot be changed.

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Figure 5-48 User configuration dialog

5.18 ILS Modem settings

With access level 3 you have access to change ILS modem bit rate and initiat ion strings and make the ILS initiate the modems. Selecting ILS|Modem configuration brings up the window shown below.

Figure 5-49 ILS Modem settings window.

The window displays the currently configured bit rates and init strings. Pressing the Change button brings up a dialog where you can change the bit rate and/or the init string for the selected port. Note that i t is no i nit stri ng f or t he local por t, s ince a modem is not su pported f or this port.

Pressing the Send init button st arts modem initiation at the sel e cted port. When the ILS is done initiating a dialog showing the result of the modem initiation will appear.

If the init-string is l eft blank or t he word «default» i s written, th e ILS will use a defaul t init-string that shall work on standard Hayes compat ible modems under normal conditions.

Please consult the modem manual for further in formation about modem commands and initialisation.

5.19 Upload configuration to ILS

Several boards in the NORMARC 7000 cabinet store settings or operationa l parameters in internal EEPROM. Whenever a new board is inserted in a cabinet, these parameters need to configured. This can be done by “uploading” the parameter values to the cabinet with the use of the “ILS | Configuration options | Upload configuration to ILS” menu item. When this menu item is chosen, a window for selecting a previously stored “CFG” file (see section 5.20) is displayed.

Once the user has selected the file containing the de sired configuration parameters, the window shown in Figure 5-50 is opened. This window lists boards for which the configuration may

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be uploaded. Configuration for one board or all boards (normally used only for new cabinets) can be uploaded.

This is an access level 3 operation.

Figure 5-50 Configuration upload

When the OK button is clicked, the RMM software starts the upload and displays a window telling the user that the operati on is in progress. The upload may take a few minutes, depending on the board type selected for upl oad. In order to sp eed up the upload proc ess, it is a good idea to close all windows that display monitor or maintenance measurements (this frees up communication bandwidth).

Note 1: Refer to chapter 7 for detailed info rmation on uploading configuration after e.g. a board replacement.

Note 2: The following configuration data for the RMS board are not stored in the c onfigur ation file and therefore require manual updating: “Lamp mappings ”, “ILS modem configu ration”, and “User list/ adm.”.

5.20 Write configuration to file

As described in section 5.19, different boards store configuratio n data in internal EEPROM. The configuration data can be stored on disk with the use of the “ILS | Configuration options | Write configuration to file” menu item. Sel ecting this menu it em brings up the window shown in Figure 5-51 The user must enter a new filename, or select an existin g file for storing the configuration parameter s. If an existing file is selected, the user is asked whether or not the file should be overwritten.

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This is an access level 1 operation.

Figure 5-51 Write configuration to file.

The configuration file is a plain ASCII text file. The file may be inspected by the user, but to avoid introducing possible errors, it is not recommended to manually edit it

5.21 Lamp mappings

At access level 3 the user may configure which of the small warning LED’s that are “mapped” to the main (big) warning LED on the local an remote control panels.

Figure 5-52 shows the window that appears when the “ILS | Configuration options | Lamp mappings” menu item is selected. An “X”-mar k to the lef t of the war ning type indi cates th at an active warning of that type will cause the corresponding main warning lamp to be activated.

If the configuration is changed, remember to click the “Update” button to send the new settings to the cabinet.

Figure 5-52 Lamp mappings HBK1142

5.22 Medium storage sample interval

The sample intervals for the medium time storage may be selected by choosing ILS| Configuration options| Medium storage sample interval. This brings up the window shown below.

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Figure 5-53 Medium storage interval setting dialog

The following intervals way be selected

Storage interval Total medium storage time

15 Minutes 24 Hours 30 Minutes 48 Hours 60 Minutes 4 Days 120 Minutes 8 Days

Table 5-15 Medium time storage interval settings

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5.23 Disp laying stored measurements

5.23.1 General

This chapter describes how t o open and di splay a st orage buf fer after i t has been downl oaded and stored on the local hard disk, as described in chapter 5.12.

The desired file is opened by selecting File|Open log. A dialog l ike the one shown below will be displayed. This dialog shows the files matching the wild card mask in the Name field. The directory may be changed by double clicking (or by pressing Enter) a list entry with a back slash (“\”) appended to the name.

Figure 5-54 Open log file dialog

When a selection has been made a new window will be opened. This window displays information about the data stored in the opened file. The different types of storage files have different information displayed in this window, as described in the following chapters.

When a this window is opened, you would display the stored status/measurements by open-

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ing the appropriate windows by selecting menu items from the ILS menu. Note t hat some menu items will not be accessible because some information types is not stored in the log file.

To move back and forth in the stored data, press F7 and F8.

5.23.2 Medium time periodic (MED)

When a MED file has been opened a window as shown below will be opened. This window displays the time stamps of the first, the currently displayed one, and the last

sample stored in the file.

Figure 5-55 MED file log window

5.23.3 Alarm storage (ALA)

When an ALA file has been opened a window as shown below will be opened. This window shows the time stamps of the currently displayed Monitor 1, Monitor 2, Standby (if installed) and Maintenance monitor samples. This window also has a list where you select an alarm to study.

The operation of the window is outlined in the table below.

To accomplish this Do this

Study a specific alarm Select the desired alarm on the alarm selection list and press

the “Display” button. Advance to the first raw

Press the “1st alarm” button. alarm state

Table 5-16 Alarm storage operations.

Figure 5-56 ALA file log window

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5.23.4 Continuous data log (CNT)

When a CNT file has been opened a window as shown below will be opened. This window shows the same information as the Alarm storage window, except that this window does not have the alarm specific functions.

Figure 5-57 CNT file log window.

5.24 DIAGNOSTICS

5.24.1 General description of the diagnostic functions

The NM7000 RMM system has two algorithms to isolate a failure in the ILS. The algorithms are the Current data diagnostics and the Alarm Event diagnostics. See chapter 7 for a thor- ough description of these alghorithms.

5.24.2 Current data diagnostics

This diagnostic function are invoked by selecting ILS|Current data diagnost ics. Based upon the current status of the equipment, the program will suggest the faulty module, if any.

5.24.3 Alarm Event diagnostics

This diagnostic function are invoked from the Event l ist window. A CHANGEOVER or SHUTDOWN event must be selected in the event list, then may the diagnostic function be invoked by pressing the Event diagnostics button below the event list. Based upon the nature of the CHANGEOVER or SHUTDOWN event, combined with the contents of the corresponding alarm storage, the program will suggest the faulty module which originated the alarm. Note that the event storage diagnostics function will only be able to isolate faults to module level when a single fault has occurred

5.25 Exporting data

You can export stored measurements to a spreadsheet with the function described in thi s section. Exported data will be stored in an ASCII tex t file. This text file may then be imported into a spreadsheet program or a graphical present ation program.

Data from all types of log files may be exported. The Export data function i s located on the fil e menu. In order to use the function, y ou must first

open the log file from which you want to export data. This is done by using the File|Open log function (described in chapter 5.22) . When a log file has been opened you may select the Export data function. The dialog shown in Figur e 5-58 wil l appear. Select the type of data to export and press OK. You will be prompted to enter a file name for the exported data. The Decimal point field selects the type decimal point character used when stored data are exported to a text file. Select the p roper setting for use by your spreadsh eet progra m or graphical presentation pro gram.

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Figure 5-58 Export data dialog

Each field in the export file are separated by a TAB character. Each line contains all measurements in a sample. The line begins with the time stamp of sample (resolution 1 second). The next field is 1/10 seconds of t he time st amp. The r est of the l ine is the measur ement s/ p arameters of the sample.

The type of decimal point used for analog measurements is defined by Decimal point setting in the Preferences dialog (see chapter 5.4.4).

Digital parameters (OK/ ERROR) are export ed as numbers, 0 and 1. 1 equals OK, and 0 indicates ERROR.

5.26 Printing reports

When you are logged in on an ILS you can make printouts of several measuremen ts and configurations.

The Print Report function is located on the file menu. To use it you must first connect and log in on a ILS rack (access level 1). Figure 5-59 shows the Print Report dialog which is opened when you select the File|Print report menu item.

Figure 5-59 Print Report dialog

The system will print the data you select in the ‘P rint’ section of the dialog. The Print setup button is a shortcut to the Options|Print setup di alog, described in chapter 5.4.3.

5.27 Print screen

To print the screen contents in the Windows 95/NT version, select the File|Print screen menu option. This will send the cur rent sc reen cont ent s t o t he pri nter por t select ed in t he Pri nt setu p window.

To print the screen under DOS use the "Print Screen" key on the PC keyboard. This will print the screen on LPT1 (independent of the port selected in the Print setup window).

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5.28 Technical note - Leased line SETUP (USRobotics)

USING NM7000 RMM SOFTWARE WITH LEASED LINE CONNECTION Applies to USRobotics Courier Dual Standard V.34+ modems

5.28.1 Definitions

Local modem The modem attached to the PC running

NM7000 RMM software.

Remote modem The modem attached to the NM7000

cabinet.

5.28.2 Configuring the remote modem

1. Set DIP switches on the remote modem.

• Switch 1 must be set to the DTR ALWAYS ON position.

• Switch 4 must be set to the ON position - Do not echo offline commands

• Switch 5 must be set to the AUTO ANSWER ON RING position.

• The remaining switches should be left in their factory default positions.

2. Connecting the modem to the cabinet.

• The remote modem must be connected to Remote Port 2 on the connection interface board in the ILS cabinet.

3. Configure remote modem init string.

• With a PC running NM7000 RMM software, log in with MASTER access on the Local Port.

• Select «Modem configuration» from the ILS menu.

• Set the Remote port 2 modem configuration as follows (all ‘0’ letters are zeroes):

Figure 5-60 ILS port settings for leased-l ine connections

4. Initializing the remote modem.

• Pressing the «Send init» butt on in the ILS modem se ttings windo w makes the ILS send the initialization string on the port selected in the port list.

• The ILS will also send the these init strings when the I LS is powered on.

5.28.3 Configuring the local modem

1. All modem DIP switches should be left in their factory default positions.

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2. Configure the «Channel Setup» for the leased line connection as follows (all ‘0’ letters are zeroes):

Figure 5-61 RMM channel setup for USR leased-line connections

The modem will be automatically set up for leased when a connection with this channel is selected by the user. Users of the DOS version should also select «Use DTR to hangup». The hangup string is ignored.

5.29 Technical note - Dial up connection SETUP (USRobotics)

USING NM7000 RMM SOFTWARE WITH DIAL UP CONNECTION Applies to USRobotics Courier Dual Standard V.34+ modems

5.29.1 Definitions

Local modem The modem attached to the PC running

NM7000 RMM software.

Remote modem The modem attached to the NM7000

cabinet.

5.29.2 Configuring the remote modem

1. Set DIP switches on the remote modem.

• Switch 1 must be set to the DTR ALWAYS ON position.

• Switch 4 must be set to the ON position - Do not echo offline commands

• Switch 5 must be set to the AUTO ANSWER ON RING position.

• The remaining switches should be left in their factory default positions.

2. Connecting the modem to the cabinet.

• The remote modem must be connected to Remote Port 2 on the connection interface board in the ILS cabinet.

3. Configure remote modem init string.

• With a PC running NM7000 RMM software, log in with MASTER access on the Local Port.

• Select «Modem configuration» from the ILS menu.

• Set the Remote port 2 modem configuration as foll ows (All ‘0’ letters are zeroes.):

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Figure 5-62 ILS port settings for USRobotics dial up connection

4. Initializing the remote modem.

• Pressing the «Send init» butt on in the ILS modem se ttings windo w makes the ILS send the initialization string on the port selected in the port list.

• The ILS will also send the these init strings each time the ILS is powered on.

5.29.3 Configuring the local modem

1. All modem DIP switches should be left in their factory default positions.

2. Configure the «Channel Setup» for the dial up connection as follows:

Figure 5-63 Local modem configuration

The modem will automatically dial and connect to the remote ILS whe n a connection with this channel is selected by the user.

Of course, the teleph one number to dial wh en con necting to this st at ion must be conf igu red in the ILS Station Setup window.

Users of the DOS version should also select «Use DTR to hangup». The hangup string is ignored.

NOTE

Some PBX dial tones are not recognized by the modem. In this case the modem will not

start dialing when the user has selected a station to connect to. The problem is cor-

rected by entering X3 in the init string field. E.g.: AT&F1X3

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5.30 Technical note - Leased line SETUP (WESTERMO)

This description applies to Westermo TD-32AC / TD-32DC modems.

5.30.1 DIP switch settings.

SW1: 1234

ILS Modem 0 1 0 1 Leased line, switch off echo and result code. All AT

commands ignored, including +++

PC-Modem 1 000Dial mode, configured from PC-program

SW2: 12345678

ILS Modem 1 0010000Enable SW2:2 to 7. Asynchro-

nous. DTR/DSR disconnected.

PC-Modem 1 0000000Enable SW2:2 to 7. Asynchro-

nous. DTR/DSR not disconnected.

SW3: 12345678

ILS and PC 1 00000002-wire connection.

SW4: 12345678

ILS and PC 0 11011009600 bps. 8 data bits. No stop

bits.

SW5: 12345678

ILS-Modem 1 1110000V.32bis, 9600 bps PC-Modem 1 1110000Auto detect line parameters.

5.30.2 Connecting the modem to the cabinet.

The modem must be connected to Remote Port 1

or Remote Port 2 on the connection interface board in the ILS cabinet. The baud rate for this port mu st be 9600 bps (this is the default setting). There is no need to configure any modem init strings in the NM7000 RMS.

5.30.3 Connecting the modem to the PC

The modem must be connected to COM1, 2, 3 or 4. The PC RMM modem connection type should be set to Leased line. The modem init string should be:

AT\N5&D0&C1&L1&WD

(The hangup string is ignored in the DOS version)

1. It is recommended to use Remote Port 2 on the ILS, because this port has a 16 byte FIFO that reduces the CPU load caused by the serial communication handlin g. If the modem must be connected to Remote Port 1, a cable with R TS (pin 4) con nected to DSR (pin 6) both i n the modem-end, must be used. Also, RTS must not be connected in the ILS-end.

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5.31 Technical note - dial up SETUP (WESTERMO)

This description applies to Westermo TD-32AC / TD-32DC modems.

5.31.1 DIP switch settings.

SW1: 1234

ILS Modem 0 000Dial-up connection. Enable AT commands. Auto

answer.

PC-Modem 1 000Dial-up connection. Enable AT commands.

SW2: 12345678

ILS Modem 1 0010000Enable SW2:2 to 7. Asynchro-

nous. DTR/DSR disconnected.

PC-Modem 1 0000000Enable SW2:2 to 7. Asynchro-

nous. DTR/DSR not disconnected.

SW3: 12345678

ILS and PC 1 00000002-wire connection.

SW4: 12345678

ILS and PC 0 11011009600 bps. 8 data bits. No stop

bits.

SW5: 12345678

ILS and PC 1 1110000

Auto detect line parameters.

5.31.2 Connecting the modem to the cabinet.

The modem must be connected to Remote Port 1

or Remote Port 2 on the connection interface board in the ILS cabinet. The baud rate for this port must be 9600 bps. The init string for the port should be:

ATE0&C1&D2&W

5.31.3 Connecting the modem to the PC

The modem must be connected to COM1, 2, 3 or 4 . The connect ion type i n the NM70 00 RMM software must be set to Normal dial-up, the baud rate to 9600 bp s and the init string should be:

ATX3&C1&D2\N5&W

In the DOS version, the Use DTR to hangup check box should also be checked (the hang-up string will then be ignored).

1.It is recommended to use Remote Port 2 on the ILS, because this port has a 16 byte FIFO that reduces the CPU load caused by the serial communication handlin g. If the modem must be connected to Remote Port 1, a cable with R TS (pin 4) con nected to DSR (pin 6) both i n the modem-end, must be used. Also, RTS must not be connected in the ILS-end.

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PART III MAINTENANCE

6 Periodic maintenance CAT I and II

IMPORTANT:

No adjustments / alignments shall be done during a Periodic Maintenance. The parameters should be recorded and compared with their nominal values only.

Over some time, the parameters may change due to natural variations. Variations of less than 50% of their alarm limits, are considered normal. If a parameter is changing more than 50% of it's alarm limit, it is likely due to a discrepancy / degeneration of a module, cable etc. In this case, the reason for the discrepancy should be searched for. If the result calls for changing a module, rephasing of cables etc., a flight check is oft en required to verify that para meters are inside operating tolerances.

6.1 Weekly inspections

Can be relaxed to 2-Weekly or Monthly intervals if allowed by the Authority. Test equipment

• NM3710 Field Test Set with portable antenna.

• PC with RMM and printer

6.1.1 Field modulation measurements

On the established reference marks for Course Line (THR CL), Sector Width (THR 90)) and (THR 150) carry out modulation measurements, record the values in Table 6-18.

6.1.2 Monitor Parameters recordings

(Can be changed to Monthly intervals if allowed by the Authority.)

• Tx1 to antenna. Open the RMM program in level 1.

• Open Monitor Window 1.

• Open Front Panel.

• Make a paper copy by “Print Screen” function. (Table 6-1)

• Tx2 to antenna. (Executed by tower personnel if ILS is not taken out of service.)

• Make a second paper copy by “Print Screen” function. (Table 6-2)

• Compare Monitor parameter values with previous records.

6.2 Monthly inspections

Test equipment

•Field Test Set

6.2.1 Field DDM measurements

Using the Field Test Set carry out DDM measurements versus azimuth angles according to established marks in the near field area of the antenna array.

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Record in Table 6-7. Also record Tx1 or Tx2 used.

6.3 Quarterly inspections

(Can be changed to 6 Months intervals for Cat I installations and 4 Months for Cat II.) Test equipment

• Oscilloscope

•Stop watch

• PC with RMM and printer

6.3.1 Tx Parameters and DC Power supply recordings.

Tx1 to antenna. Tx2 active to dummy load. Open Maintenance parameters. Double click COURSE TX1 LPA/GPA, COURSE TX2 LPA/

GPA, CLR TX1 LPA/GPA, CLR TX2 LPA/GPA, DC SUPPLIES. Fill in Table 6-8 manually or make a paper copy by “Print Screen” function.

Compare values with previous record ings.

6.3.2 Monitor Integrity Check (Alternative 1)

6.3.2.1 False radiation time Tx1 Main

Equipment in mode AUTO. Main Select Tx1. Tx 1 on.

• Remove the CL monitor cable from the monitor input.

• Note the time elapsed*) fr om the signal was removed until Tx2 was shut off.

• Record in Table 6-10 line a) the measured delay time from cable removal until the standby

transmitter has switched off . Check that the equipment carries out a changeover to Tx 2 before shutoff. Record in Table 6-10 line b)

• Open PA maintenance parameters window. (Ref par a 5.7. 5 Operati ng Manual). Check t hat

PA 27V LEVEL Course Tx1 is 0 V. Record in Table 6-10 line c).

Reconnect the monitor cable.

6.3.2.2 False radiation time Tx2 Main

Equipment in mode AUTO. Main Select Tx2. Tx 2 on.

• Remove the CL monitor cable from the monitor input.

• Note the time elapsed* ) from the sig nal was removed unt il Tx1 was shut of f. Check that the

equipment carries out a changeover to Tx 1 before shutof f.

• Record in Table 6-10 line d) the measured delay time from cable removal until the standby

transmitter has switched off . Check that the equipment carries out a changeover to Tx 2 before shutoff. Record in Table 6-10 line e)

• Open PA maintenance parameters window. (Ref par a 5.7. 5 Operati ng Manual). Check t hat

PA 27V LEVEL Course Tx1 and Clearance Tx 1 is 0 V. Record in Table 6-10 line f).

Reconnect the monitor cable. Note:*) Near immediate change if short delays are used.

6.3.3 Monitor Integrity Check (Alternative 2)

Can be performed from a remote location.

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Test equipment

• PC with RMM Note results in Table 6-11 (Alternative 2).

6.3.3.1 Integrity check:

Open the RMM program in level 2. Note: Level 2 must be enabled for the remote RMM in the ILS configuration.

• Tx1 to antenna. Use MAIN SELECT and CHANGEOVER in the Front Panel window.

• Open Front Panel, Event List, Ident and Modulation Switches and Maintenance Win-

dows for COURSE TX1 LPA/GPA, CLEARANCE TX1 LPA/GPA, COURSE TX2 LPA/ GPA, CLEARANCE TX2 LPA/GPA.

• Turn off Tx1 COU Mod 90Hz in the Modulation Switches wi ndow. Observe that a transfer

to Tx2 takes place. a) Check that the text: Aut o ChgOver to TX2 appears in the event list. Turn off Tx2 COU Mod 90Hz in the Modulation Switches window. Observe that the system

turns off. b) Check that the text: Auto ShtDown frm TX2 appears in the event list. c) Check that measurement for PA 27V level < 1V in Maintenance Monitor Windows for COURSE TX1 LPA/GPA and COURSE TX2 LPA/GPA. Turn on Tx1 COU Mod 90Hz and Tx2 COU Mod 90Hz in the Modulation Switches window

again.

6.4 Annual inspections

Test Equipment

• PC including NM7000 RMM program

• NM3710 ILS Field Test Set, including attenuator 20 dB or 30 dB

• Oscilloscope

• Frequency counter 10 Hz to 350 MHz

• RF Signal generator including calibrated ILS modulation

• Digital voltmeter

• Wattmeter with probe covering 108 - 112 MHz, 20 watts.

•Stop watch

6.4.1 RF Frequency check.

Set the

AUTOMATIC/MANUAL switch to MANUAL and REMOTE/LOCAL to LOCAL.

6.4.1.1 Course Transmitter Frequency

Switch on Course Tx1.

• Connect the Frequency Counter to CSB Cou test connector in the Change Over Section

via a 50 ohm test cable. (Use 50 ohm input port of the counter)

• If necessary switch off the 90 Hz and 150 Hz modulation through the Local Display and

Keyboard or the RMM Program.

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Nominal frequency: (Channel frequency + 5kHz) ±0.002% Repeat the measurements for Course Tx2.

Record the frequency readings in Table 6-12.

6.4.1.2 Clearance Transmitter Frequency

Switch on Clearance Tx1.

• Connect the Frequency Counter to CSB CLR test connector in the Change Over Section

via a 50 ohm test cable. (Use 50 ohm input port of the counter)

• If necessary switch off the 90 Hz and 150 Hz modulation through the Local Display and

Keyboard or the RMM Program.

Nominal frequency: (Channel frequency - 5kHz) ±0.002% Repeat the measurements for Clearance Tx2.

Record the frequency readings in Table 6-12.

6.4.2 LF Frequency check.

90/150 Hz MODULATION FREQUENCY checks Switch on Course Tx1.

• Connect the Frequency Counter to CSB test connector on Course Tx1 Section via a 50

ohm test cable. (Use high impedance input port of counter)

• Turn of f the 90 Hz modula tion for Course Tx1 t hrough the Local Display and Keyboar d or

the RMM Program.

• Read the 150 Hz frequency. Tol erance ±0.05 Hz.

• Turn the 90 Hz modulation on and turn 150 Hz modulation off through the Local Display

and Keyboard or the RMM Program.

• Read the 90 Hz frequency. T olerance ±0.05 Hz. Repeat the test for Course Tx2.

Record the frequency readings in Table 6-13.

6.4.3 Transmitter waveforms checks.

Carry out the tests outlined in paragraphs a)...f) for Cou Tx2, CLR Tx1 and CLR Tx2. Record the results of the outlined te sts in Table 6-9.

6.4.3.1 PHASE CORR. check.

Switch on Course Tx1.

• Connect the Oscilloscope to PHASE CORR test connector on Course Tx1 Sect ion via a 50

ohm test cable.

• Set Oscilloscope input mode to DC. The waveform observed should take a continuous form without limiting segments or deep

notches or other discontinuities.

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(Each modulator develops it's own waveform shape due to spreads in insertion phases). The dynamic maximum point should be approximately -4 volt.

6.4.3.2 SBO waveform checks.

Switch on Course Tx1.

• Connect the Oscilloscope to SBO test connector on Course Tx1 Section via 50 ohm test

cable.

• Set Oscilloscope input mode to DC.

• Check that the waveform resembles the graph below, left. For best signal resolution on the scope, i t i s advis abl e to set the osci llosc ope i n doubl e sweep

rate and FREE RUN trigger mode ("kissing p atter n" mode). The two hal ves of the 30 Hz waveform will then overlap and look like one waveform when perfect power balance is achieved.

DEMODULATED SBO: 1dB POWER

DEMODULATED SBO: NORMAL IMBALANCE (150Hz<90Hz)

Figure 6-1 SBO Waveforms

6.4.3.3 RF Phase

• Connect the Oscilloscope to SBO test connector on Course Tx1 Section via 50 ohm test

cable. NOTE:

Set the scope's input mode to DC.

Set the oscilloscope in normal trigger mode such that the waveform below can be observed. The observed waveform should resemble the NORMAL graph on the left.

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DEMODULATED SBO-SIGNAL: NORMAL DEMODULATED SBO-SIGNAL: 5° RF-PHASE ER-

ROR

NORMARC 7013

Figure 6-2 RF phase check

6.4.3.4 CSB waveform check. LF phase

Switch on Course Tx1.

• Connect the Oscilloscope to CSB test connector on Course Tx1 Section via 50 ohm test

cable.

• Set the Oscilloscope input mode to DC. Look for the intermediate peak s of the CSB demodul ated wavefo rm. Check t hat the wavefo rm

resembles the graph below (left). The intermediate waveform peaks shal l have the same maximum and minimum level, indicating 90/150 Hz zero phase start.

DEMODULATED CSB: NORMAL DEMODULATED CSB: 10° LF PHASE ERROR

Figure 6-3 LF phase check

6.4.3.5 DDM and SDM check.

Switch on Tx1.

• Connect the Field Test Set to the CSB Cou test connector on the Change Over Section

through a 20 or 30 dB attenuator.

• Use a double shielded 50 ohm coaxial test cable. On the Field Test Set read DDM. The

nominal reading should be 0.0% DDM.

• On the Field Test Set read SDM. The nominal reading should be 40.0%, or the same as the

previous reading/ commissioned value.

6.4.3.6 Ident modulation check.

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Switch on Tx1.

• Connect the Field Test Set to the CSB Cou test connector on the Change Over Section

through a 20 or 30 dB attenuator.

• From the local panel/display or from the RMM program set Cou Ident modulation to CON-

TINUOUS.

• Use a double shielded 50 ohm coaxial test cable. On the Field Test Set read IDENT MOD.

The nominal reading should be 10% MOD, alternatively the same value as previous

recording. (If voice modulation is applied the Ident modulation shall be 5% modulation

depth.)

6.4.3.7 Voice modulation check. (If voice ident is used)

Switch on Tx1.

• Connect the Oscilloscope to CSB test connecto r on Course Tx1 Section via 50 ohm test

cable.

• From the local panel/display connect the audible transducer by command “Set ident

speaker”.

• Listen to the voice message and check that the waveform has a peak amplitude approxi-

mately six times the Ident waveform peak amplitude seen on the oscilloscope.

6.4.4 CSB output power.

a) Course Tx CSB. Switch off the transmitters. Select Tx1 as Main Tx.

• Insert the power meter into the Course CSB output path of the Cabinet. Switch on Tx1.

Read and record the Tx1 power in Table 6-14.

• Change over to Tx2. Read and record the Tx2 power in Table 6-14. b) Clearance Tx CSB. Switch off the transmitters. Select Tx1 as Main Tx.

• Insert the power meter into the Clearance CSB output path of the Cabinet. Switch on Tx1.

Read and record the Tx1 power in Table 6-14.

• Change over to Tx2. Read and record the Tx2 power in Table 6-14.

6.4.5 Monitor Alarm Limit checks.

After completion and recording of the alarm parameters into Table 6-15, compare and check that the values are the same as in the previous records.

External RF Signal Generator applied as signal source. Set the

SELECT

AUTOMATIC/MANUAL switch to MANUAL, the REMOTE/LOCAL to LOCAL and MAIN

to Tx1. Switch on Course Tx1 and Clearance Tx1. Check Monitor 1 first.

6.4.5.1 CL DDM ALARM

Apply a test signal from the RF Signal Generator to the CL input connector in the back of the cabinet.(Disconnect first the sig nal cable from the Monitor network). Adjust the signal to the same RF level and frequency as the normal signal applied to the monitor.

Modulation shall be: 0.0% DDM, 40.0% SDM. Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set.

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Use the Local Display and Keyboard or the RMM Program to display the measured val ues for CL DDM.

• Change DDM from the generator slowl y toward s 150 Hz do minance unt il a poi nt where th e

letter A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line a).

• Change DDM from the generator slowly towards 90 Hz dominance until a point where the

letter A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line aa). Repeat the procedure for Monitor 2.

6.4.5.2 CL SDM ALARM

The test setup is the same as in a). Use the Local Display and Keyboard or the RMM Program to display the measured val ues

for CL SDM

• Increase SDM from the generator slowly until a point where the let ter A (indicates that

monitor has an ALARM for the displayed p arameter) i s shown beside the measur ed par ameter for Monitor 1.

• Check the new generator SDM value with the Field Test Set.

• Record in Table 6-15 line b).

• Decrease SDM from the generator slowly unti l a point where the letter A (indicates that

monitor has an ALARM for the displayed p arameter) i s shown beside the measur ed par ameter for Monitor 1.

• Check the new generator SDM value with the Field Test Set.

• Record in Table 6-15 line bb).

• Repeat the procedure for Monitor 2.

6.4.5.3 CL RF ALARM

The test setup is the same as in a). Use the Local Display and Keyboard or the RMM Program to display the measured val ues

for CL SDM.

• Decrease slowly RF level on the generator until a point where the letter A (indicates that

monitor has an ALARM for the displayed p arameter) i s shown beside the measur ed par ameter for Monitor 1.

• Record the RF level reading at alarm point in Table 6-15 line c). Repeat the procedure for Monitor 2.

6.4.5.4 DS DDM ALARM

Apply a test signal from the RF Signal Generator to the DS input connector in the back of the cabinet.(Disconnect first the sig nal cable from the Monitor network). Adjust the signal to the same RF level and frequency as the normal signal applied to the monitor.

Modulation shall be: 15.5%DDM, 40.0%SDM. Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set.

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Use the Local Display and Keyboard or the RMM Program to display the measured val ues for DS DDM.

• Increase DDM from the generator slowly above nominal value unt il a poi nt where the le tter

A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line d).

• Decrease DDM from the generator slowly below nominal value until a point where the lett er

A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line dd).

Repeat the procedure for Monitor 2.

6.4.5.5 NF DDM ALARM

Apply a test signal from the RF Signal Generator to the NF input connector in the back of the cabinet.(Disconnect first the signal cable from the Near Field Antenna). Adjust the signal to the same RF level and frequency as the normal signal applied to the monitor.

Modulation shall be: 0.0% DDM, 40.0% SDM. Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set.

Use the Local Display and Keyboard or the RMM Program to display the measured val ues for NF DDM

• Change DDM from the generator slowl y toward s 150 Hz do minance unt il a poi nt where th e

letter A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line e).

• Change DDM from the generator slowly towards 90 Hz dominance until a point where the

letter A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line ee).

Repeat the procedure for Monitor 2.

6.4.5.6 CLR DDM ALARM

Apply a test signal from the RF Sign al Generat or to the CLR input connector i n the back of the cabinet.(Disconnect first the sig nal cable from the Monitor network). Adjust the signal to the same RF level and frequency as the normal signal applied to the monitor.

Modulation shall be: Same as commisioned values DDM and SDM from CLR output of Monitor network.

Verify modulation setting (DDM, SDM) by checking the test signal with the Field Test Set.

Use the Local Display and Keyboard or the RMM Program to display the measured val ues for CLR DDM.

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• Increase DDM from the generat or slowly from nominal value until a point wher e the let ter A

(indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line f).

• Decrease DDM from the generator slowly from nominal value until a point where the letter

A (indicates that monitor has an ALARM for the displayed parameter) is shown beside the measured parameter for Monitor 1.

• Check the new generator DDM value with the Field Test Set.

• Record in Table 6-15 line ff). Repeat the procedure for Monitor 2.

6.4.5.7 CLR SDM ALARM

The test setup is the same as in f). Use the Local Display and Keyboard or the RMM Program to display the measured val ues

for CLR SDM.

• Increase SDM from the generator slowly until a point where the let ter A (indicates that

monitor has an ALARM for the displayed p arameter) i s shown beside the measur ed par ameter for Monitor 1.

• Check the new generator SDM value with the Field Test Set.

• Record in Table 6-15 line g).

• Decrease SDM from the generator slowly unti l a point where the letter A (indicates that

monitor has an ALARM for the displayed p arameter) i s shown beside the measur ed par ameter for Monitor 1.

• Check the new generator SDM value with the Field Test Set.

• Record in Table 6-15 line gg).

Repeat the procedure for Monitor 2.

6.4.5.8 CLR RF ALARM

The test setup is the same as in c). Use the Local Display and Keyboard or the RMM Program to display the measured val ues

for CL SDM.

• Decrease slowly RF level on the generator until a point where the letter A (indicates that

monitor has an ALARM for the displayed p arameter) i s shown beside the measur ed par ameter for Monitor 1.

• The nominal level reduction should be 1 dB.

• Record the RF reading at alarm point in Table 6-15 line h).

Repeat the procedure for Monitor 2.

6.4.6 Near Field Monitor delay Set the AUTOMATIC/MANUAL switch to AUTOMATIC, the REMOTE/LOCAL to LOCAL and

MAIN SELECT to Tx1.

Switch on Course Tx1 and Clearance Tx1. System Status Indicati ons should be NORMAL and SERVICE

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Make an alarm by removing the NF cable to the Cabinet. After the specified delay, the transmitter shall change to Tx2, then after the same time lapse Tx2 shall shut down.

Record in Table 6-16 line a) the measured delay time from cable removal until the standby transmitter has switched off.

6.4.7 20 seconds inhibit

After shutdown check that an immediate attempted restart of a trans mitter is inhibited at least 20 seconds from the time the standby Tx is shut off.

Record in Table 6-16 line b) the measured time lapse from the standby transmitter has switched off until the main transmitter is again radiating to the antenna.

6.4.8 Battery maintenance

Check with digital voltmeter that the voltage across the battery terminals is between 27.0 V and 27.8 V. Record in Table 6-17 line a) the measured voltage.

Switch off the mains 220 V. After approximately 10 minutes battery operation with transmi tter to air check that the volt age across the bat tery te rminals is not less than 23 V. Record in Table 6-17 line b) the voltage.

Switch back to mains 220 V. After 24 hours check that the battery terminal voltage is again back between 27.0 to 27.8 V. Record in Table 6-17 line c) the voltage. The 27 V can be monitored from the RMM facility.

6.4.9 Final check LLZ

Check that all electrical contacts and connectors are not loose. Carry out a visual check outside and inside of the equipment. Check that all switches and keys are in NORMAL position. Check that the System lamp status is NORMAL after the switches AUTO/MANUAL and

REMOTE ON/OFF are in AUTO and ON respectively.

6-11

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OPERATING MANUAL

NORMARC 7013

INSTRUMENT LANDING SYSTEM

MON1 MON2

CL DDM %

SDM % RF V

DS DDM %

SDM % RF V

NF DDM %

SDM % RF V

CLR DDM %

SDM %

RF V DF kHz CL IDENT CLR IDENT Self test DC Loop

Table 6-1 Monitor 1 window (Tx 1 to Air)

MON1 MON2

CL DDM %

SDM %

RF V DS DDM %

SDM %

RF V NF DDM %

SDM %

RF V CLR DDM %

SDM %

RF V DF kHz CL IDENT CLR IDENT Self test DC Loop

Table 6-2 Monitor 1 window (Tx 2 to Air)

21833-3.4

Page 99

INSTRUMENT LANDING SYSTEM

OPERATING MANUALNORMARC 7013

MON1 MON2

CL DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 DS DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 NF DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 CLR DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 DF kHz 10.0 10.0 CL IDENT OK OK CLR IDENT OK OK Self test OK OK DC-loop OK OK

Table 6-3 Monitor 1 window

(Not for recordings, make a "print screen copy")

Tx1 Tx2 O O O Coax Pos O Main

Table 6-4 Front panel window (displays Tx1 to air)

6-13

Page 100

OPERATING MANUAL

NORMARC 7013

INSTRUMENT LANDING SYSTEM

MON1 MON2

CL DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 DS DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 NF DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 CLR DDM % 0.0 0.0

SDM % 40.0 40.0

RF V 3.0 3.0 DF kHz 10.0 10.0 CL IDENT OK OK CLR IDENT OK OK Self test OK OK DC-loop OK OK

Table 6-5 Monitor 1 window

(Not for recordings, make a "print screen copy")

Tx1 Tx2 O O Coax Pos O MAIN O

Table 6-6 Front panel window (Displays Tx2 to air)

21833-3.4