Park Air Systems B6100 User Guide
T6R Receiver User Guide
Issue 1
Handbook Title: T6R Receiver User Guide
Handbook Part Number: 31-360000RX
Issue Number: 1
Date of Issue: November 1999
Published By: Park Air Electronics
Northfields
Market Deeping
Peterborough
England PE6 8UE
Telephone: From UK, 01778 345434
From outside UK, 44 1778 345434
Fax: From UK, 01778 342877
From outside UK, 44 1778 342877
Page ii
Handbook Amendment Record
Amendments to this handbook, originated by Park Air Electronics, are listed in the following table.
Amendment
Number
The equipment’s modification label shows all modifications embodied in the equipment.
Date Brief Details
Equipment Modification Record
Modifications to the T6R receiver are detailed in the following table.
PAE Change
Note Number
Modification
Number
Date Brief Details
PAE Change
Note Number
Page iii
List of Abbreviations
The following abbreviations are used in this user guide:
A amp
AM amplitude modulation
BIT built-in test
dB decibel
DSP digital signal processing
ETI elapsed time indicator
ICAO international civil aviation organisation
kg kilogram
kHz kilo Hertz
LCD liquid crystal display
mA milliamp
MARC multi-access remote control system
MHz mega Hertz
mm millimetre
ppm parts per million
PSK phase shift keying
rms root mean square
RSSI receiver signal strength indication
V volt
VFP virtual front panel
VHF very high frequency
Page iv
T6R Receiver User Guide
Section 1
General Information
T6R General Information Section 1
Page 1
Section 1 Contents
Chapter 1. Overview
Introduction to the T6R Receiver 3
T6R Handbooks 3
Operational Settings 4
Virtual Front Panel 5
Built-In Tests 5
Configuring the T6R Receiver 6
Chapter 2. Specification
Dimensions and Weight 9
RF Characteristics 9
Environmental 9
Power Requirements 10
Chapter 3. Controls, Indicators, and Connectors
Front Panel 11
Receive Indicator 11
Alarm Indicator 11
Ready Indicator 11
Standby Indicator 11
Reference Connector 12
Headset/Diagnostics Connector 12
Scroll/Select Switch and LCD 13
Rear Panel 14
Power Switch 14
AC Input Connector 14
DC Input Connector 15
Fuse F1 15
Chassis Stud Connection 15
Facilities Connector CN5 15
MARC Port CN6 16
Computer Port CN7 16
Antenna Connector 16
Chapter 4. Installation Procedures
Introduction 21
Initial Inspection of the Receiver 22
Fitting the Correct AC Input Fuse 22
Fitting a Radio into an Equipment Rack 23
Connecting Remote Facilities 23
Chassis Stud Connection 24
AC Supply Connection 24
DC Supply Connection 25
Connecting an Antenna 25
Switching on 25
Page
Section 1 T6R General Information
Page 2
Chapter 1. Overview
This chapter provides an introduction to the T6R receiver, briefly describes the features, and
shows how the radio is configured for operational use.
INTRODUCTION TO THE T6R RECEIVER
Park Air Electronics (PAE) T6R is a VHF multi-mode air traffic control receiver compatible with analogue
(AM) and digital (D8PSK) modulation modes. Current models are supplied programmed for AM voice
operation in the frequency range 118 to 136.975 MHz using 25 kHz or 8.33 kHz channel spacing. Future
software upgrades will allow D8PSK operation.
A multi-channel feature of the receiver allows up to 100 channels to be stored, and recalled by channel
number. Channel designation and all operational settings can be selected from the front panel, or by
using the virtual front panel (VFP), or through a compatible control and data system such as the PAE
multi-access remote control (MARC).
The receiver is designed to be fitted in an industrial 19 inch (483 mm) equipment rack. Operation is from
either a standard ac mains supply, or from a low voltage dc supply. When both input supplies are
connected, the dc supply acts as a back-up if the mains supply fails.
Comprehensive continuous and interruptive Built-In Tests (BIT) provide confidence of the receiver's
serviceability.
T6R HANDBOOKS
This user guide describes the T6R receiver and gives complete installation and setting up procedures.
The user guide is split into sections as follows:
Section 1. Section 1 (this section) provides general information that is common to all
operating modes.
Section 2. Section 2 provides information that is specific to operating the T6R receiver in
AM-voice mode.
Section 3. Section 3 onwards will, when available, describe the digital operating modes.
A maintenance kit (PAE part number 70-6100MKIT) is also available. A maintenance handbook,
included in the kit, contains fault finding guides to module level and details VFP operation. The VFP can
be used for setting up, maintenance purposes, and for loading new software.
T6R receiver maintenance should not be attempted without reference
to the maintenance handbook
The maintenance kit includes a CD-ROM containing the VFP software, and a lead for connecting the
radio to a Personal Computer (PC). The CD-ROM also contains the software as loaded into the T6R at
the time of sale. This enables the original software to be re-loaded if the receiver's Digital Signal
Processing (DSP) module is ever replaced.
Both the user guide and maintenance handbook are available on CD ROM. Contact PAE for details.
T6R General Information Section 1
Page 3
OPERATIONAL SETTINGS
Operational settings for the T6R receiver are configured at the front panel, through the VFP, or through
an associated MARC system (or compatible control and data system). At the receiver, operational
settings are selected and displayed using the front panel Scroll/Select switch and the LCD.
Freq 123.000MHz
Chan 1
Vol llllllllllll
The settings are selected through a series of menus. Full details are given in the section of this user
guide applicable to the operating mode. Two example selection menus, Set Frequency menu and
Channel Storage menu, are shown below.
121 .500MHz
C ance l OK
Ch1 00 121 . 500MHz
Cance l
Stor e
Store and End
During normal receiver operation, the Main screen, shown below, is displayed. The screen shows the
operating frequency, the channel number (if the channel store facility is used), and displays a graphical
representation of volume.
Fr eq 123. 000MHz
Chan 1
Vol lllIIIIIIIII
Section 1 T6R General Information
Page 4
Virtual Front Panel
As an alternative to setting up the receiver from the front panel, the T6R's virtual front panel (VFP)
software can be used. To use the VFP, an IBM™ compatible PC must be connected to the receiver (see
Fig. 1-1). Using the VFP offers several advatages over setting up from a receiver's front panel. These
are:
When set up using the VFP, a profile of the receiver's operational settings can be created. The
q
profile can then be used to automatically set up other radios within a system, or to reset a radio
should the DSP module ever be replaced.
After setting up from the VFP, the receiver's front panel can be locked. This means that a
q
receiver's settings cannot inadvertently be changed by tampering with the front panel controls.
A print-out of a receiver's profile (all the operational settings) can be made from the VFP.
q
Instructions on VFP usage is outside the scope of this user guide. Reference, therefore, should be made
to the T6R maintenance kit that includes a CD-ROM containing the VFP software.
BUILT-IN TESTS
The receiver continuously self monitors key internal parameters without affecting normal operation. If a
BIT fault is detected, the front panel Alarm indicator lights, the Ready indicator becomes unlit, and the
receiver becomes inoperable.
Apart from continuous monitoring, an interruptive BIT test can be initiated locally at the front panel, or
remotely. When initiated, test signals are injected into the receiver's RF circuit allowing parameters to be
monitored in their active state.
The results of continuous monitoring, and of interruptive testing, are available at the front panel LCD.
When the receiver is used with a MARC system (or other compatible data and control system) the results
are also sent, in the form of a data message, to the monitoring facility. A full description of the BIT
facilities is given in the section of this user guide applicable to the operating mode. The following
illustration shows an example front panel BIT display.
Syn th Lock PASS
Sens i t i v i t y PASS
Sens . - 107dBm
<< >>
T6R General Information Section 1
Page 5
CONFIGURING THE T6R RECEIVER
Fig. 1-1 shows the signal connectors fitted to the receiver's front and rear panels. The connectors used to
configure the receiver depend on the required operating mode. The purpose of each connector is briefly
described in the following paragraphs and fully detailed in chapter 3.
Antenna Connector
Headset/Diagnostics
Connector
Reference Connector Used in all operating modes to check and reset the receiver's reference
Facilities Connector Used primarily to connect remote signals when using AM-voice mode
MARC Port
Computer Port The computer port is used in digital communication modes to connect
Used in all operating modes to connect the 50 ohm antenna feeder
cable.
This is a dual purpose connector. A headset can be connected to enable
local AM-voice operation.
Alternatively, a PC can be connected to allow use of the VFP, to set the
receiver's operational settings, or to download new software.
frequency.
when the receiver does not form part of a MARC system.
Some auxiliary signals available at this connector, for example the
24 volt (nominal) unregulated output supply, can be utilized irrespective
of the operating mode.
The MARC port is used to connect remote signals when the receiver
forms part of a MARC system, or other compatible control and data
system.
the receiver to a control computer.
Section 1 T6R General Information
Page 6
T6R Receiver
Computer
Port
Signals to/from a control
computer. Used when
operating in digital
communication modes.
Antenna
Connector
Reference
Connector
Frequency Counter for
maintenance purposes.
MARC
Port
Facilities
Headset/Diagnostics
Connector
Headset for Local
AM Operation.
PC to allow use of the VFP
and to download new
software.
Connector
Fig. 1-1. T6R Receiver Configuration
Signals to/from an
RSE 2 equipment. Used
when the radio forms
part of a MARC system.
Remote Signals.
T6R General Information Section 1
Page 7
Intentionally Blank
Section 1 T6R General Information
Page 8
Chapter 2. Specification
This chapter contains the T6R receiver's specification that is common to all operating modes.
Specifications relevant to specific operating modes are contained in the section applicable to the
required operating mode.
DIMENSIONS AND WEIGHT
The dimensions and weight of the T6R receiver are:
Width 483 mm (19 inches).
Height 88.9 mm (3.5 inches). The height occupies 2U of
equipment cabinet space.
Depth (front panel to rear panel) 430 mm (16.9 inches).
Weight 5.8 kg (12.8 pounds).
RF CHARACTERISTICS
Frequency range 118 to 136.975 MHz.
Number of channels The receiver has a multi-channel capability.
100 channels can be stored and recalled.
Frequency accuracy Better than 1 ppm.
Maximum RF input The receiver can withstand an input at the antenna
connector of:
5 V rms continuous.
15 V rms for 20 seconds.
Unwanted signal suppression The first and second IF image rejection is greater than
80 dB. For other frequencies, spurious signals are
suppressed by more than 100 dB.
ENVIRONMENTAL
Temperature range The receiver operates to specification at temperatures
between -20 and +55°C and at a relative humidity
between 5% and 90% (non-condensing).
Warm up time The receiver is fully operational 5 seconds after switch
on.
Storage The receiver can be stored at temperatures between -30
and +70°C without causing damage.
T6R General Information Section 1
Page 9
POWER REQUIREMENTS
The receiver operates from an ac input supply, or a dc input supply. When both supplies are connected,
the dc input acts as an automatic backup supply for the ac mains.
ac input supply The receiver operates from a 48 to 62 Hz single-phase
ac supply, and automatically adjusts to operate from any
supply voltage between 99 V ac and 264 V ac.
ac power consumption Typically 75 VA.
dc input supply Between 21.6 and 32 V.
dc supply current At 28 V current is typically 700 mA. 1 amp maximum.
Section 1 T6R General Information
Page 10
Chapter 3. Controls, Indicators, and Connectors
This chapter details the purpose of all controls, indicators, and connectors
fitted to the receiver's front and rear panels.
FRONT PANEL
The front panel's controls, indicators, and connectors are shown below and described in the following
paragraphs.
Freq 123.000MHz
Chan 1
Vol llllllllllll
Receive Indicator
An amber indicator that lights when a signal is received that is above the squelch threshold. Additionally,
this indicator is lit when the receiver's squelch facility is switched off (squelch defeated).
Alarm Indicator
A red indicator that either lights, or flashes, when a BIT fault has been detected. BIT indications are
classified as either warnings or faults.
When a fault is detected, the Alarm indicator lights and the Ready indicator becomes unlit; the receiver
cannot be used.
If a warning is detected, the Alarm indicator flashes, the Ready indicator remains lit, and the receiver
remains operational.
Ready Indicator
A green indicator that lights when the receiver is ready for use and no BIT faults have been detected.
Standby Indicator
A red indicator that lights when the receiver is in standby mode. When in standby mode, most of the
receiver's circuits are inactive, and the front panel LCD is blanked; the receiver is inoperable until
standby mode is deselected.
Standby mode is selected and deselected using the front panel Scroll/Select switch and LCD, by
initiating an instruction through a MARC system, or through the VFP. Details of front panel selection and
deselection are given in the section of this user guide applicable to the particular operating mode.
T6R General Information Section 1
Page 11
Reference Connector
An SMB jack socket that allows a high impedance frequency counter to monitor the receiver's reference
frequency. This connector is used only for maintenance purposes. The instructions for checking and
adjusting the reference frequency are given in the T6R maintenance handbook.
Headset/Diagnostics Connector
A dual purpose connector that allows either a headset or a PC to
be connected to the receiver. The connector is a 7-pin self
locking DIN socket.
A headset can be fitted to this connector to enable the receiver to
be operated in AM local mode. The connections are detailed in
Table 1-1. A PC can also be connected to allow the VFP to be
displayed. Using the VFP is detailed in the T6R maintenance
handbook. The connections at the receiver are shown in
table 1-2.
(DEV083-05)
Fig. 1-2.
Headset/Diagnostics
Connector Pin-Out
Headset/Diagnostics
Connector Pin Number
1 Ground 0 volt.
5 Headset drive
Headset/Diagnostics
Connector Pin Number
2 Transmit data RS232
4 Receive data RS232
7 Ground 0 volt
Table 1-1. Microphone/Headset Connections
Signal Notes
Maximum = 3 volt peak-to-peak.
200 ohm output impedance.
Table 1-2. Diagnostics PC Connections
Signal Notes
Section 1 T6R General Information
Page 12
Scroll/Select Switch and LCD
The Scroll/Select switch is used in conjunction with the LCD to select most of the receiver's operational
settings. Use of the switch and LCD is fully detailed in the section of this user guide relevant to the
particular operating mode. During normal operation, the LCD shows the operating frequency, the
channel number (if the channel store facility is used) and displays a graphical representation of volume.
The example LCD screen below shows the receiver operating on 123.000 MHz; the frequency has been
preset as channel 8.
During normal receiver operation, when the main screen is displayed, the Scroll/Select switch acts as the
volume control.
Fr eq 123. 000MHz
Chan 8
Vol llllIIIIIIII
T6R General Information Section 1
Page 13
REAR PANEL
The rear panel's controls, indicators, and connectors are shown in Fig. 1-3 and described in the following
paragraphs.
DEV083-11a
Fig. 1-3. Rear Panel
Power Switch
A 2-way rocker switch used to switch on, and switch off, power to the receiver's circuitry.
l =On
= Off
WARNING!
When the POWER SWITCH is set to the Off position, lethal voltages are still present in the
receiver's internal power supply circuitry. To ensure safe working, the ac and dc input
supplies must be disconnected from the receiver.
AC Input Connector
A 3-pole IEC chassis plug for connecting the ac input
supply. The plug has an integral 20 mm fuse (F2) that
protects the Line (L) input circuit. The fuse is rated at
3.15 amps (see page 22 for further detail). Detailed
instructions for connecting the ac supply are given in
the installation chapter on page 24.
(SA3536)
Fig. 1-4. AC Connector
Section 1 T6R General Information
Page 14
DC Input Connector
A 3-pole chassis plug for connecting the dc input
supply. Detailed instructions for connecting the dc
supply are given in the installation chapter of this
handbook on page 25.
(DEV083-06)
Fig. 1-5. DC Connector
Fuse F1
Fuse F1 protects the dc input positive supply circuit. It is a size 0 fuse rated at 3 amps. The PAE part
number of the fuse is: 29-11100202.
Chassis Stud Connection
The chassis stud is used to provide a common earth point between the receiver and the associated
equipment rack, or the receiver and the user's system earth. The stud must not be used as a safety
earth. Connection details are given on page 24.
Facilities Connector CN5
A 15-way D-type socket used primarily to connect remote signals when the receiver operates in
AM-mode and does not form part of a MARC (or similar) system.The pin-out of this connector is given in
table 1-3 on page 17.
Apart from allowing connection of remote signals, this connector makes some auxiliary signals available
to the user. For example, a 24 volt (nominal) unregulated output supply. The auxiliary signals can be
employed by the user as and when required, irrespective of the operating mode.
Facilities connector CN5 as seen when looking at the rear panel.
Connections should be made using a 15-way D-type plug PAE part
number: 20-01150100 (plug), and 20-09150101 (cover). These are
supplied with the receiver as Item 3 (see page 22).
Fig. 1-6. Facilities Connector CN5 Pin-Out
T6R General Information Section 1
Page 15
MARC Port CN6
A 9-way D-type socket used to connect remote signals to a MARC system or other compatible control
and data system. The pin-out of this connector is given in table 1-4 on page 18.
MARC connector CN6 as seen when looking at the rear panel.
Connections should be made using a 9-way D-type plug PAE part
number: 20-01090100 (plug), and 20-09090101 (cover).
Fig. 1-7 MARC Port CN6 Pin-Out
Computer Port CN7
A 25-way D-type socket used to connect the receiver to a control computer when the receiver is operated
in digital communication modes. The pin-out of this connector is given in table 1-5 on page 19.
Computer port CN7 as seen when looking at the rear panel.
Connections should be made using a 25-way D-type plug PAE part
number: 20-01250100 (plug), and 20-09250101 (cover).
Fig. 1-8 Computer Port CN7 Pin-Out
Antenna Connector
An N-type 50 ohm coaxial socket used to connect the antenna's feeder cable.
Section 1 T6R General Information
Page 16
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