Furuno 1823C-BB, 1833C-BB, 1933C-BB, 1943C-BB, 1953C-BB Operator's Manual

MARINE RADAR MODEL 1823C-BB

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MARINE RADAR MODEL 1833C-BB MARINE RADAR MODEL 1933C-BB MARINE RADAR MODEL 1943C-BB MARINE RADAR MODEL 1953C-BB COLOR VIDEO PLOTTER GD-1900C-BB

9-52 Ashihara-cho,9-52 Ashihara-cho,

00014749702

**00014749702

00014749702

**00014749702

OME

35320

**OME

35320

**OME

35320

**OME

35320

Nishinomiya 662-8580, JAPANNishinomiya 662-8580, JAPAN

Telephone :Telephone : 0798-65-21110798-65-2111 FaxFax 0798-65-42000798-65-4200

ll rights reserved.

Printed in JapanPrinted in Japan

Pub. No.Pub. No. OME-35320OME-35320

Your Local Agent/Dealer Your Local Agent/Dealer

IRST EDITION :

IRST EDITION :DECDEC.. 20032003

C4C4 :: APRAPR.. 14, 200514, 2005

Thepaperusedinthismanual iselementalchlorinefree.

(( TATATATA ))

M1800C-BB_GD1900C-BBM1800C-BB_GD1900C-BB

* 0 0 0 1 4 7 4 9 7 0 2 ** 0 0 0 1 4 7 4 9 7 0 2 *

* O M E 3 5 3 2 0 C 4 0 ** O M E 3 5 3 2 0 C 4 0 *

SAFETY INSTRUCTIONS

WARNING

ELECTRICAL SHOCK HAZARD

Do not open the equipment.

Only qualified personnel should work inside the equipment.

Turn off the radar power switch before servicing the antenna unit. Post a warning sign near the switch indicating it should not be turned on while the antenna unit is being serviced.

Prevent the potential risk of being struck by the rotating antenna and exposure to RF radiation hazard.

Do not disassemble or modify the equipment.

WARNING

Radio Frequency Radiation Hazard

The radar antenna emits electromagnetic radio frequency (RF) energy which can be harmful, particularly to your eyes. Never look directly into the antenna aperture from a close distance while the radar is in operation or expose yourself to the transmitting antenna at a close distance.

Distances at which RF radiation levels of 100 and 10 W/m table below.

Note: If the antenna unit is installed at a close distance in front of the wheel house, your administration may require halt of transmission within a certain sector of antenna revolution. This is possible - Ask your FURUNO representative or dealer to provide this feature.

exist are given in the

Fire, electrical shock or serious injury can result.

Turn off the power immediately if water leaks into the equipment or the equipment is emitting smoke or fire.

Continued use of the equipment can cause fire or electrical shock.

Use the proper fuse.

Fuse rating is shown on the power cable. Use of a wrong fuse can result in damage to the equipment.

Keep heater away from equipment.

Heat can alter equipment shape and melt the power cord, which can cause fire or electrical shock.

MODEL

MODEL 1823C-BB

MODEL 1833C-BB

MODEL 1933C-BB

MODEL 1943C-BB

MODEL 1953CBB

XN-12A

XN-13A

Distance to

100 W/m

point

Nil

Distance to

10 W/m

point

0.5 m

1.8 m

2.7 m

1.9 m

2.5 m

2.3 m

A warning label is attached to the processor unit. Do not remove the label. If the label is missing or damaged, contact a FURUNO agent or dealer.

WARNING

To avoid electrical shock, do not remove cover. No user-serviceable parts inside.

Name: Warning Label (1) Type: 86-003-1011-1 Code No.: 100-236-231

COMPLIANCE WITH R&TTE DIRECTIVE 1999/5/EC

This radar c omplies wit h the R&TTE Di rec tive 1999/5/EC. In accordance with Article 6-3 of this di r ec ti ve, FURUNO int ends to put this radar on the market of the following c ountries in EU as well other markets.

Austria, Belgium, Cypr us , Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Malta, Poland, Portugal , Slovenia, Spain, Sweden, The Netherlan ds , United Kingdom , Iceland, Norway

FOREWORD ........................................................................................................ix

SYSTEM CONFIGURATIONS .............................................................................xi

1. OPERATIONAL OVERVIEW..........................................................................1-1

1.1 Operating Controls.......................................................................................................1-2

1.2 Inserting a Chart Card..................................................................................................1-4

1.3 Turning the Unit On/Off ................................................................................................1-5

1.4 Adjustin g Hu e, Panel Illumination.................................................................................1-6

1.5 Selecting a Display.......................................................................................................1-7

1.5.1 Display modes..................................................................................................1-7

1.5.2 Selecti n g a display............................................................................................1-8

1.5.3 Switching control in combi n ati o n an d ov er lay screens.......................................1-9

1.5.4 Selecti n g image source...................................................................................1-10

1.6 Tr ac kball, Cursor........................................................................................................1-11

1.7 Entering the MOB Mark, Setting MOB as Destination ................................................1-12

1.8 Data Boxes................................................................................................................1-13

1.8.1 Showi n g, hi di n g data boxes with soft key........................................................1-13

1.8.2 Rearranging dat a boxes..................................................................................1-14

1.8.3 Tempor ar il y erasing a data box .......................................................................1-14

1.9 Function Keys............................................................................................................1-15

1.10 Simulati on Display....................................................................................................1-16

2. RADAR OPERATION.....................................................................................2-1

2.1 Radar Display ..............................................................................................................2-1

2.2 Tr a nsmi ttin g, Stand-by .................................................................................................2-2

2.3 T uning..........................................................................................................................2-2

2.4 Adjustin g the Gain........................................................................................................2-2

2.5 Reducing Sea Clutter...................................................................................................2-4

2.5.1 How the A/C SEA works....................................................................................2-4

2.5.2 Adj usting A/C SEA............................................................................................2-4

2.6 Reducing Precipitation Clutter......................................................................................2-5

2.7 Range Scale................................................................................................................2-6

2.8 Pulselength..................................................................................................................2-7

2.9 Presentation Mode.......................................................................................................2-8

2.9.1 Selecti n g a pr es entation mode..........................................................................2-8

2.9.2 Description of presentation modes....................................................................2-9

2.10 Measuring the Range............................................................................................... 2-11

2.11 Measuring the Bearing.............................................................................................2-14

2.12 Erasing the Heading Line, North Marker..................................................................2-16

2.13 Reducing Noise Interference....................................................................................2-16

2.14 Rejecting Radar Interference ...................................................................................2-17

2.15 Zoom........................................................................................................................2-18

iii

2.15.1 Zooming in on radar targets.......................................................................... 2-18

2.15.2 Zooming in on ARP, TTM targets.................................................................. 2-18

2.16 Shifting the Picture................................................................................................... 2-19

2.16.1 Manual shift.................................................................................................. 2-19

2.16.2 Autom atic shift.............................................................................................. 2-20

2.17 Using the Offset EBL............................................................................................... 2-21

2.17.1 Predicting collision course............................................................................ 2-21

2.17.2 Measuring range & bearing be tw e en tw o targets .......................................... 2-22

2.18 Echo T r ai ls...............................................................................................................2-23

2.18.1 Trail time....................................................................................................... 2-23

2.18.2 Startin g echo trails........................................................................................ 2-24

2.18.3 Trail gradation............................................................................................... 2-24

2.18.4 Trail color...................................................................................................... 2-25

2.18.5 Echo trail mode.............................................................................................2-25

2.19 Echo S tr etc h............................................................................................................ 2-26

2.20 Echo A v eraging....................................................................................................... 2-27

2.21 Outputting TLL Data................................................................................................. 2-28

2.22 Guard Alarm............................................................................................................ 2-29

2.22.1 Setti ng a guard alarm zone........................................................................... 2-29

2.22.2 When th e alar m is violated…........................................................................ 2-30

2.22.3 Canceling the guard alarm............................................................................ 2-30

2.23 Watchman ............................................................................................................... 2-31

2.23.1 How watchman works................................................................................... 2-31

2.23.2 Turning on/off watchman.............................................................................. 2-31

2.23.3 Setting watchman stand-by interval.............................................................. 2-31

2.24 Suppres si ng Seco nd- trace Echoes.......................................................................... 2-32

2.25 Way poi nt Marker...................................................................................................... 2-33

2.26 ARP, TTM Operation................................................................................................ 2-34

2.26.1 Activ ating/deactiv ating ARP, TTM................................................................. 2-35

2.26.2 Acqui ring and tracking targets (ARP)............................................................ 2-36

2.26.3 Displaying target number (ARP, TTM)........................................................... 2-37

2.26.4 Te rminating tracking of ARP targets.............................................................. 2-38

2.26.5 Setting vector attributes (ARP)..................................................................... 2-39

2.26.6 Displaying past position (ARP) ..................................................................... 2-40

2.26.7 ARP, TTM target dat a.................................................................................... 2-41

2.26.8 CPA/TCPA alarm (ARP)................................................................................ 2-42

2.26.9 Lost target alar m (ARP)................................................................................ 2-43

2.27 Interpreting the Radar Display................................................................................. 2-44

2.27.1 General ........................................................................................................ 2-44

2.27.2 False echoes................................................................................................ 2-46

2.27.3 SART (Search and Rescue Transponder)..................................................... 2-48

2.27.4 Racon (Radar Beacon)................................................................................. 2-50

3. PLOTTER OPERATION.................................................................................3-1

3.1 Plotter Displays ............................................................................................................3-1

3.1.1 Full-screen plott er display.................................................................................3-1

3.1.2 Compass display...............................................................................................3-3

3.1.3 Highway display................................................................................................3-5

3.1.4 Nav data display...............................................................................................3-6

3.2 Presentation Mode.......................................................................................................3-7

3.2.1 North-up............................................................................................................3-7

3.2.2 Course-up.........................................................................................................3-8

3.2.3 Auto course-up..................................................................................................3-8

3.3 Shifting the Display......................................................................................................3-9

3.4 Chart Scale..................................................................................................................3-9

3.5 Chart Cards................................................................................................................ 3-10

3.5.1 Chart card overview........................................................................................3-10

3.5.2 Indices and chart enlargement........................................................................3-11

3.5.3 FURUNO and NavCharts™ charts..................................................................3-12

3.5.4 C-MAP charts..................................................................................................3-14

3.6 Worki ng with Track.....................................................................................................3-18

3.6.1 Displaying track...............................................................................................3-18

3.6.2 S t op pi n g, re st ar ti n g plotting of own ship track.................................................3-19

3.6.3 Changing track color.......................................................................................3-20

3.6.4 Track plotting method and interval for own ship track......................................3-21

3.6.5 Changing own ship track/mark distribution setting...........................................3-22

3.6.6 Erasin g track...................................................................................................3-23

3.7 Marks, Lines...............................................................................................................3-25

3.7.1 Enteri n g a mark, line.......................................................................................3-25

3.7.2 Changing mark attributes................................................................................3-25

3.7.3 Selecti n g line type...........................................................................................3-26

3.7.4 Erasin g m arks, lines........................................................................................3-27

3.8 Wayp oints..................................................................................................................3-28

3.8.1 Enteri n g waypoints..........................................................................................3-28

3.8.2 Editi ng waypoint data......................................................................................3-31

3.8.3 Erasin g w aypoints...........................................................................................3-33

3.8.4 Changing waypoint mark size (FURUNO, NavCharts™).................................3-34

3.8.5 Searching waypoints.......................................................................................3-35

3.9 Routes.......................................................................................................................3-36

3.9.1 Creating routes...............................................................................................3-36

3.9.2 Connecting routes...........................................................................................3-40

3.9.3 Inserting waypoints.........................................................................................3-41

3.9.4 Removing waypoints from a ro ute...................................................................3-43

3.9.5 Erasin g routes.................................................................................................3-43

3.10 Navigation................................................................................................................ 3-44

3.10.1 Navigating to a "quick point"..........................................................................3-44

3.10.2 Navigating to waypoints................................................................................3-45

3.10.3 Navigating to ports, port services (NavCharts™ /C-MAP) .............................3-46

3.10.4 Following a route...........................................................................................3-48

3.10.5 Canceling route navi gation............................................................................3-51

3.1 1 Alar ms .................................................................................................................... 3-52

3.1 1.1 A udio alarm on/off......................................................................................... 3-52

3.1 1.2 Arr ival alarm.................................................................................................. 3-53

3.1 1.3 A nchor watch alarm...................................................................................... 3-54

3.11.4 XTE (Cross-Track Error) alarm..................................................................... 3-55

3.11.5 Speed alarm ................................................................................................. 3-55

3.11.6 Proxim i ty al arm............................................................................................. 3-56

3.11.7 Trip alarm...................................................................................................... 3-57

3.1 1.8 Al arm information..........................................................................................3-58

3.12 Resetting Trip Distance............................................................................................ 3-60

4. VIDEO SOUNDER OPERATION ...................................................................4-1

4.1 Principle of Operation.................................................................................................. 4-1

4.2 Sounder Displays........................................................................................................ 4-2

4.2.1 Selecti n g a s ounder display.............................................................................. 4-2

4.2.2 Descripti on o f soun der di splays........................................................................ 4-3

4.2.3 Selecting screen split method in combination displays...................................... 4-8

4.3 Automatic Sou nder Operation...................................................................................... 4-9

4.3.1 How the automatic sounder works.................................................................... 4-9

4.3.2 Types of automa ti c soun d er mod es.................................................................. 4- 9

4.3.3 How to enable automatic sounder operation..................................................... 4-9

4.4 Manual Sounder Operation ..................................................................................... 4-10

4.4.1 Selecti n g the manual mode............................................................................ 4-10

4.4.2 Selecti n g di splay range................................................................................... 4-10

4.4.3 Adjus ting the gain........................................................................................... 4-10

4.4.4 Shifting the range............................................................................................4-11

4.5 Measuring Depth, T i me..............................................................................................4-12

4.6 Reducing Interference ............................................................................................... 4-13

4.7 Reducin g Low L evel Noise........................................................................................ 4-14

4.8 Erasing Weak Echoes ..............................................................................................4-15

4.9 White Marker............................................................................................................. 4-16

4.10 Picture Advance S p ee d............................................................................................4-17

4.10.1 Adv anceme nt independent of ship’s speed................................................... 4-17

4.10.2 Adv anceme nt synchronized with ship’s speed.............................................. 4-18

4.11 Display Colors.......................................................................................................... 4-19

4.12 Alarms..................................................................................................................... 4-20

4.12.1 Au dio alarm on/o f f......................................................................................... 4-20

4.12.2 Bottom alarm................................................................................................ 4-21

4.12.3 Fish alarm..................................................................................................... 4-21

4.12.4 Fish alarm (B/L)............................................................................................ 4-22

4.12.5 Water temperature alarm .............................................................................. 4-23

4.12.6 When an alarm setting is violated................................................................. 4-24

4.13 Wat er Temperature Graph....................................................................................... 4-25

4.14 Changing Pulse Repetition Rate.............................................................................. 4-26

4.15 Interpreting the Sounder Display..............................................................................4-27

4.15.1 Zero line........................................................................................................4-27

4.15.2 Bottom echo..................................................................................................4-27

4.15.3 Fish school echoes.......................................................................................4-28

4.15.4 Surface noise/Aeration..................................................................................4-28

5. CUSTOMIZING YOUR UNIT..........................................................................5-1

5.1 General Setup..............................................................................................................5-1

5.2 Radar Setup.................................................................................................................5-3

5.2.1 Radar display setup..........................................................................................5-3

5.2.2 Radar range setup............................................................................................5-6

5.2.3 Function key setup............................................................................................5-7

5.3 Plotter Setup................................................................................................................5-9

5.3.1 Navigation options............................................................................................5-9

5.3.2 Function key setup..........................................................................................5-10

5.4 Chart Setup................................................................................................................5-12

5.4.1 Chart offset.....................................................................................................5-12

5.4.2 FURUNO, NavCharts™ chart attributes..........................................................5-13

5.4.3 C-MAP chart attributes....................................................................................5-15

5.5 Data Boxes Setup......................................................................................................5-18

5.6 Hot Page Setup..........................................................................................................5-19

5.7 Navigator Setup.........................................................................................................5-21

5.7.1 Navigation data source...................................................................................5-21

5.7.2 GPS receiver setup (Set equipped with GP-310B/320B).................................5-22

5.7.3 TD display setup.............................................................................................5-26

5.8 Nav Data Display Setup.............................................................................................5-28

5.9 Sounder Setup...........................................................................................................5-29

5.9.1 System setu p..................................................................................................5-29

5.9.2 Sensor setup...................................................................................................5-31

5.9.3 Sounding range, zoom range, bottom lock range............................................5-32

5.9.4 Function key setup..........................................................................................5-33

6. DATA TRANSFER..........................................................................................6-1

6.1 Memory Card Operations.............................................................................................6-1

6.1.1 Formatting memory cards.................................................................................6-1

6.1.2 Saving dat a to a mem or y card..........................................................................6-2

6.1.3 Playi ng back data from a memory card.............................................................6-4

6.2 Receiving Data Via Network Equipment.......................................................................6-5

6.3 Outputting Data Through the Network..........................................................................6-6

vii

7. MAINTENANCE, TROUBLESHOOTING ......................................................7-1

7.1 Preventive Maintenance.............................................................................................. 7-1

7.2 Replacement............................................................................................................... 7-1

7.2.1 Replacement of battery..................................................................................... 7-2

7.2.2 Replacement of fuse......................................................................................... 7-2

7.2.3 Replacement of the magnetron......................................................................... 7-2

7.2.4 Replace of the synchro belt.............................................................................. 7-2

7.3 Tr ac kb al l M ainten a nce................................................................................................. 7- 3

7.4 Simple Troubleshooting............................................................................................... 7-4

7.4.1 General ............................................................................................................ 7-4

7.4.2 Radar............................................................................................................... 7-4

7.4.3 Plot ter............................................................................................................... 7-5

7.4.4 Soun der............................................................................................................ 7-6

7.5 Diagnostics.................................................................................................................. 7-7

7.5.1 Memory I/O test................................................................................................ 7-7

7.5.2 Test pattern..................................................................................................... 7-10

7.5.3 Keybo ar d tes t of the control unit......................................................................7-11

7.6 GPS Status Display................................................................................................... 7-12

7.7 Clearing Memories.................................................................................................... 7-13

7.8 Error Messages......................................................................................................... 7-14

APPENDIX ......................................................................................................AP-1

Menu Overview...............................................................................................................AP-1

Geodetic Chart List........................................................................................................AP- 10

World Time Chart...........................................................................................................AP-11

Icons .............................................................................................................................AP-12

What is WAAS?.............................................................................................................AP-13

SPECIFICATIONS...........................................................................................SP-1

INDEX..........................................................................................................Index-1

viii

FOREWORD

A Word to the Owner of the Model 1800C-BB/ 1900C-BB Series Marine Radar, GD-1900C-BB Color Video Plotter

FURUNO Elec tric Company thanks y ou for purchasing the Model 1800C-B B /1900C-BB Series Marine Radar, GD-1900C-BB Color Video Pl otter. We are conf ident you wi ll discover why the FURUNO name has becom e s ynonymo us with quality and reliability.

For over 50 y ear s FURUNO El ectric Company has enjoyed an enviable reputation for quality and r eliabili ty t hr oughout the world. This dedic ation to excel lence is furthered by our extensive global network of agent s and dealers.

Your equipment is des igned and construc ted to meet t he r igorous deman ds of the marine environme nt. However, no machine can perform its int ended function unless properly inst alled and maint ained. Please car efully r ead and follow the operat ion and maintenance procedures set forth in t his manual.

We would appreciate f eedback from you, the end-user, about whether we are achieving our purposes.

Thank you for considering and purchasi ng FURUNO.

The example screens shown in this m anual may not match the screens you see on your display. The screen yo u s ee depends on your s ystem c onfiguration and equipment s ettings.

Features

The 1800C-BB/1900C-BB s er ies of radars a nd video plot ters work wi thin our new product-network sy s tem called the “NavNet.” Each product has an I P address to communicat e with NavNet compatibl e pr oducts within the network, using TCP/IP protocol through an Ethernet 10BASE-T network.

The mai n features are as fol lows:

• The 1800C-BB/1900C-BB s er ies of radars a nd video plot ter consist of the followi ng

models:

Model Output Range

Marine Radar Model 1823C-BB 2.2 kW 24 nm 1.5 ft, Radome Marine Radar Model 1833C-BB 4 kW 36 nm 2 ft, Radome Marine Radar Model 1933C-BB 4 kW 48 nm 3.5 ft, Open Marine Radar Model 1943C-BB 6 kW 64 nm 4 ft, Open Marine Radar Model 1953C-BB 12 kW 72 nm 4/6 ft, Open Color Video Plotter

GD-1900C-BB

— — —

Radar

Antenna

(These models have n o m onitor unit. The custom er should prepar e it.)

• User friendly operation with combination of disc rete k eys, soft k eys, alphanumeri c keys

and trackball.

• Accepts FURUNO and Nav-charts™ (NAVIONICS) c har ts, or C-MAP NT/ NT+ charts

(C-MAP), depending on specification.

Note: All names mentioned above are register ed trademarks of their res pec t ive

companies.

• Fast chart redr aw.

• Built -i n NavNet interface c ircuit board.

• Video input (video recor der, CCD device, etc.) available with installation of optional PI P

Board.

• Optional 12-channel G P S Rec eiver GP-310B or GP-320B. GP - 320B m os tly shares the

same features w ith the GP-310B and is additionally equipped with WAAS capability .

• User programmable funct ion keys.

• Video sounder picture available with connection of the opti onal Network Sounder

ETR-6/ 10N or E TR-30N.

• The optional facsi mil e rec eiver FAX-30 receives facsim ile pictures and navtex messages

transmitted from facsimile and navtex s tations.

SYSTEM CONFIGURATIONS

All NavNet products incorporate a “network circuit board” to integrate each NavNet product on board through an optional LAN cable (Ethernet 10BASE-T). Each NavNet prod uct is assigned an IP address to enable transfer of images bet ween other NavNet products . For example, video plotter pictures can be trans ferred t o a r adar and vice versa. Pictures received vi a t he NavNet may be adjusted at the rec eiving end.

The number of pr oces sor units which may be installed depe nds on the number of network sounder con nec ted. For a system incorporat ing three or mor e products, a “hub” is r equired to process data.

For one network sounder: o ne r adar and three plotters ( or four plotters ) For two network sounders: one r adar and two plotters (or four plotters )

NavNet system (Model 1823C-BB/1833C-BB/1933C- BB/1943C- BB/1953C-BB)

Power Supply Unit PSU-005

MODEL

1953C-BB

:Standard

: Option

Antenna Unit

MODEL

1933C-BB

MODEL

1943C-BB

Processor unit Control unit RCU-017

SAVESAVE

CLEARCLEAR

MOBMOB

GHIGHI

DEFDEF

ABCABC

2211

RANGERANGE

ALARMALARM

DISPDISPEEMENUMENU

PQRPQR

MNOMNO

JKLJKL

GAINGAIN

VWXVWX

YZ&YZ&

STUSTU

77 POWERPOWER TXTX

EBLEBL _'#_'# 00

VRMVRM

PUSH TO ENTERPUSH TO ENTER

HIDEHIDE

SHOWSHOW

BB CC DD

POWER

F.G.

321

GND

OUTPUT 12 VDC

NTSC/PAL

RGB OUT

OPTION

INPUT

12-24 VDC

GND

CARD SLOT

Memory card interface unit CU-200

Rectifier

RU-3423

Facsimile

Receiver

FAX-30

100/110/115/220/230 VAC

12 - 24 VDC*

1φ, 50/60 Hz*

*: The power for the power supply unit and processor unit must be drawn from the same power source.

MODEL1823C-BB

MODEL

1833C-BB

RPU-014

SLAVE DISPLAY

DJ-1

DATA 3

NETWORK

CONT DATA 1DATA 2

Network

Sounder

ETR-6/10N

ETR-30N

GPS receiver

GP-310B/320B

Plotter, etc.

VGA monitor (Owner supply)

Heading

sensor

Other NavNet

system

(GD-1900C-BB, etc.)

NavNet system (M odel 1823C-BB/1833C-BB/1933C-BB/1943C-BB/1953C-BB)

Singl e- unit NavNet syste m ( G D- 1900C-BB)

GPS receiver

GP-310B/320B

Control unit RCU-017

CLEARCLEAR

DEFDEF

ABCABC

GHIGHI

2211

RANGERANGE

ALARMALARM

PQRPQR

MNOMNO

JKLJKL

GAINGAIN

VWXVWX

STUSTU

YZ&YZ&

POWERPOWER

TXTX

EBLEBL _'#_'# 00

VRMVRM

Memory card interface unit CU-200

Other NavNet

system

(Model 1833C-BB, etc.)

Facsimile

Receiver

FAX-30

: Standard : Option

SAVESAVE MOBMOB

DISPDISPEEMENUMENU

PUSH TO ENTERPUSH TO ENTER

Processor unit

HIDEHIDE

SHOWSHOW

BB CC DD

RPU-014

POWER

F.G. 321

GND

OUTPUT

12 VDC

NTSC/PAL

RGB OUT

OPTION

CARD SLOT

Network

Sounder

ETR-6/10N

ETR-30N

SLAVE DISPLAY

DJ-1

DATA 3

NETWORK

INPUT

12-24 VDC

GND

CONT DATA 1DATA 2

VGA monitor (Owner supply)

Plotter, etc.

Rectifier

PR-62

12 - 24 VDC

100/110/115/220/230 VAC 1φ, 50/60 Hz

Single-unit NavNet system (GD-1900C-BB)

xii

Two-unit NavNet system

Radar Antenna Unit

GPS Receiver GP-310B/320B

RADAR

PLOTTER

Radar, plotter data

Three-or-more-uni t NavNet

Radar Antenna Unit

GPS Receiver GP-310B/320B

Radar, plotter data

Two-unit NavNet system

GPS Receiver GP-310B/320B

Radar Antenna Unit

RADAR

PLOTTER

Radar Antenna Unit

RADAR

PLOTTER

Sounder data

Network Sounder

ETR-6/10N

ETR-30N

(option)

Radar data

Facsimile data

HUB

Facsimile

Receiver

FAX-30

(option)

Plotter data

RADAR

PLOTTER

Sounder data

Network Sounder

ETR-6/10N

ETR-30N

(option)

Three-or-more-unit NavNet system

xiii

This p age is intentionally lef t blank.

1. OPERATIONAL OVERVIEW

This c hapter provides the basic informati on needed to get you started using your radar, video plotter . The f ollowing topics are pr es ented:

• Control overview

• Chart card ins er t ion

• Power on/off

• Brilliance and hue adjustments

• Display selection

• MOB (Man OverBoard) mark ent r y

• Data boxes

• Function k eys

• Simulation displ ay

1-1

1. OPERATIONAL OVERVIEW

1.1 Operating Controls

Overview of control unit

The radar, video plotter, sounder and chart systems are operat ed with the control unit. Ten keys are labeled and th ey provide the function shown on their labels. The five soft keys pr ovide v ar ious functi ons ac cording to curr ent operating m ode. The [ENTER] knob mainly functions to register selec tions on the menu a nd adjust the E B L, VRM and gain. The trackball’s main function is to move the cursor acros s the screen. When you correctly execute an operation, the uni t generates a beep. Invalid operation cau s es t he unit to emit three beeps.

Displays the mode selection window.

Selects a range.

Clears data; erases selected mark.

Opens/closes the alarm menu.

Enter alphanumeric data.

Momentary press:

Registers own ship's position as a waypoint.

Press three seconds:

Marks man overboard position.

Shows or hides the soft keys, function keys, nav data alternately.

RANGERANGE

POWERPOWER

TXTX

DEFDEF

ABCABC

2211

JKLJKL

MNOMNO

STUSTU

VWXVWX

_'#_'#

PQRPQR

YZ&YZ&

CLEARCLEAR

GHIGHI

ALARMALARM

GAINGAIN

EBLEBL VRMVRM

Displays soft keys for EBL/VRM.

DISPDISP

SAVESAVE MOBMOB

PUSH TO ENTERPUSH TO ENTER

HIDEHIDE

SHOWSHOW

MENUMENU

AA BB CC DD EE

Opens/closes the main menu.

Soft keys

Trackball*

Radar: Displays the soft keys

for adjustment of gain, A/C SEA, A/C RAIN.

Sounder: Adjusts gain.

ENTER knob

Shifts cursor EBL/VRM and cursor; selects menu items and options.

Push: Registers setting.

Long press: Turns power off. Momentary press: Turns the power on, and

shows D: RADAR STBY/TX soft key.

Rotate: Adjusts gain, VRM, EBL, etc.; selects menu items and options. May also be used to enter alphanumeric data.

*: When it has been some time since the trackball was last operated, the cursor may not track the movement of the trackball. In this case, move the trackball rapidly and then finely.

Control uni t

1-2

How to remove the hard cover

Place your thumbs at the locations shown with circles in the illustration at right, and then lift the cover while pressing it with your thumbs.

1. OPERATIONAL OVERVIEW

Soft keys

The function of the five soft keys (A, B, C, D and E) changes accordi ng to the operation. Their labels for t heir current functions are shown on the screen. To hide or show the soft keys, pres s the [HIDE/ S HO W] key. Each press of t he k ey shows pr es et soft keys, user func t ion keys or t ur ns off navigation informati on (at the top of the screen).

Some soft keys show the current s tatus of t he s oft key function in r everse video as shown below.

3nm

12/

H-UP

319. 9

Currently selected option shown in rev erse video

Radar Display

TRAIL

OFF

TRAIL

TIME

GRAD

SINGLE

TRAIL

COLOR

RETURNE

359.9 ˚R

11.70

34° 22. 3456'N 359.9°M 080° 22. 3456'E

16.0nm

WP-002

Radar and plotter di s play s

FISH

19.9 kt 99.9 nm

BRIDGE

Plotter Display

TRIP

MARK ENTRY

MODE

NTH UP

NAV

POS

D. BOX

OFF

1-3

1. OPERATIONAL OVERVIEW

1.2 Inserting a Chart Card

Your unit reads FURUNO and Nav-Charts™ (NAVIONICS) chart cards, or C-MAP chart cards, depending on the type of processor unit you have. Insert the appropriate chart card for your area as follows:

1. Open the chart drive.

POWER

F.G.

321

GND

OUTPUT 12 VDC

NTSC/PAL

RGB OUT

OPTION

DATA 3

NETWORK

CARD SLOT

INPUT

12-24 VDC

GND

CONT DATA 1DATA 2

SLAVE DISPLAY

DJ-1

Card drive

Processor unit Memory card interface unit

2. Insert desired chart card groove side up.

3. Close the lid to protect the chart drive.

Note 1: Do not remove a card while the chart is being drawn. This may cause

the equipment to freeze.

Note 2: Do not insert or remove a card while the power is on. This may cause

the equipment to freeze.

Note 3: For multiple processor units, do not use the same chart card type in

more than one processor unit.

Note 4: A card remover is supplied to ease removal of chart cards. Attach the

card remover to the right-hand side hole of the card and pull it to remove the card. You can leave the remover attached to the card while the card is in the chart drive. Push the remover leftward until it contacts the recessed area on the card.

1-4

Chart card and card remover

Note 5: The default setting of card drives is as follows.

･ Slot on the processor unit: Read only

･ Left slot on the CU-200: Read only ･ Right slot on the CU-200: Read and write

1.3 T urning the Unit On/Off Press the [P OWER/TX] k ey on the control uni t to turn on the pow er. The POWER lamp on t he processor unit lights. A beep sounds and the eq uipment proceeds i n the sequence shown below, di s playing product inf or m ation, startup test results and the chart usage disclaimer. The startup test checks the ROM, RAM, int er nal battery and bac k up data for proper operation, displaying the results for each as OK or NG (No Good). If NG appears try t o pr es s any key to go to the chart disclaimer s c r een, then perform the diagnostic test as shown in the paragraph “7.5 Diagnos tics.”

Chart List

Host Name

RADAR PLOTTER

STATION NAME: RADAR# FURUNO ELECTRIC CO., LTD. CHARTS AVAILABLE

LICENSE NO.

* = "GD-1900C-BB Plotter" for GD-1900C-BB #= Name determined at installation.

STARTUP TEST ROM OK RAM OK BACKUP DATA OK

INTERNAL BATTERY OK

1. OPERATIONAL OVERVIEW

** = Program version no. for FURUNO/NAVIONICS model. 1950010 XXX for C-MAP model. XXX = program version no.

NO NATIONAL HYDROGRAPHIC OFFICE HAS VERIFIED THE INFORMATION IN THIS COASTLINE DATA CARD AND NONE ACCEPT LIABILITY FOR THE  ACCURACY OF REPRODUCTION OR ANY MODIFICATIONS MADE  THEREAFTER. THIS PRODUCT WITH THIS COASTLINE DATA CARD DOES NOT REPLACE THE  REQUIREMENT TO USE THE APPROPRIATE PRODUCTS FOR NAVIGATION ACCORDING TO NATIONAL AND INTERNATIONAL REGULATIONS. 

PROGRAM No. 1950011 XXX**

Product information Startup test Chart disclaimer

Startup sequenc e

For start up with the radar display, the magnetron takes f r om one m inute to two mi nutes and thirty sec onds ( depending on radar m odel) to w ar m up before the radar can be operated. The time r em aining for w ar ming up the magnetron i s counted down at the center of the display.

You may press any key at the chart dis cl aimer screen to show the last-us ed display, or wait several s ec onds to let the equi pment do it for you.

To turn the unit off, press and hold dow n the [POWER/TX] key until the screen goes dark (approx. 3 sec.). Note that if the network sounder is connected, it will be turned off approx. thr ee minutes after turning off the power .

Note: The first ti m e you turn on the power ( or any time the power is appli ed after

a memory reset), you are ask ed if you want to start the simulation mode, which provi des s imulated op er ation of the equi pment. Push t he [ENTER] knob to st ar t the simulati on m ode, or press the [CLEAR] key t o s tart normal oper ation. For fur ther details about the simulation mode, see t he paragraph “ 1.10 Simulation Display.”

1-5

1. OPERATIONAL OVERVIEW

1.4 Adjusting Hue, Panel Illumination

You may select the colors for the radar, plott er and overlay displays, and adj us t the panel illumination as below.

1. Press the [POWER/TX] key mom entaril y. A set of soft keys appears.

3nm

12/

H-UP

319. 9

BRILL CONTST

34° 22. 3456'N 359.9°M TRIP NU 080° 22. 3456'E

16.0nm

PANEL

BRILL

HUEC

RADAR

(Blank label of softkey is not used)

Radar Display

STBY

RETURNE

359.9 ˚R

11.70

WP-002

FISH

BRIDGE

(Blank label of softkey is not used)

Plotter Display

2. Press the C:HUE soft key t o s how the hue setting window.

HUE

▲

DAY

NIGHT

TWILIGHT

MANUAL SET

▼

BRILL

19.9 kt 99.9 nm

CONTST

PANEL

BRILL

HUEC

RADAR

STBY

RETURNE

Hue window

3. Operate the trackball to selec t hue desired, ref er r ing to the t able below. MANUAL SET foll ows the color settings on the CHART DETAILS menu for the plott er and the RADAR DISPLAY SETUP menu for the radar.

Night Day Twilight

Characters Radar: Red

Plotter: White

Black Radar: Green

Plotter: Black Radar ring Red Green* Green* Radar echo Orange Red Yellow Background Black White Blue

* = Red on C-MAP display.

Landmass (plotter) Light-Yellow Yellow Light-Yellow

Note that colors are slightly different depending on monitor characteristics.

Note: When using the overlay screen, the own ship track will be hidden if the

radar background and own ship track are blue and the “MA NUAL SET” hue setting is used. I n this case, set HUE to other posi tion and then return to “MANUA L” to show the own ship track in black .

1-6

4. Press the B: P A NE L B RILL soft key . The panel illumination adjus t m ent window appear s at the bottom of the screen. This window s hows the current illumination level by bar gr aph.

panel brilliance windows

5. Adjust the [ENTER] knob, c lockwise to r aise the setting or countercl oc k wise to decrease it.

6. Hit the E: RETURN soft key to finish.

1.5 Selecting a Display

1.5.1 Display modes

PANEL BRILLIANCE

1. OPERATIONAL OVERVIEW

If you have a radar , navigator, network sounder, weather faxi mile and external video source (video recorder, etc.) seven full-screen displays are available: radar, plotter, echo sounder, nav data, overlay, weather faxim ile, and external video. In addition to the full - s c reen display, you can divide the scr een into halves and thirds t o s how two and three sets of images on a com bination dis play.

Full screen Combination screen Overlay screen (radar) (radar + plotter)

(plotter + radar only, Requires L/L data)

Display screens

The table below show s the displays avail able with each scr een type.

Screen type a nd available display screen

Full screen Combination screen options

(half- or thirds-screen)

Plotter, radar, sounder, nav data, external video, overlay, weather faximile

Plotter, radar, sounder, compass, highway, compass/highway, nav data, overlay, external video

Overlay screen

options

Radar + plotter

1-7

1. OPERATIONAL OVERVIEW

1.5.2 Selecting a display

1. Press the [DISP] key to show the display selecti on window. The icons of modes not available are shaded. HOTPAGE 1-HOTPAGE 6 are user-arrangeable displays c alled “hot p ages ,” whi c h you can configur e as you like. For further details, see the paragraph “5.6 Hot P age S etup.”

Selected item

RADAR PLOTTER SOUNDER NAV DATA OVERLAY EXT VIDEO WX FAX

HOTPAGE 1 HOTPAGE 2 HOTPAGE 3 HOTPAGE 4 HOTPAGE 5 HOTPAGE 6

· TURN KNOB TO SELECT MODE AND PUSH KNOB TO ENTER.

· PUSH ANY SOFT KEY TO SELECT IMAGE SOURCE.

Basic display screens

Hot pages

Display screen selection window

Note: “WX FAX” is available only when the facsimile receiver FAX-30 i s

connected. If “AUX S OURCE IS DISCONNECTED. PUSH ENT KNOB TO EXIT.” appears, press the [ENTER] knob and select ot her item.

2. Rotate t he [ E NTER] knob to select a basi c display s cr een or a hot page screen.

3. Push the [ENTER] knob.

4. If you selected a basic display screen, a group of appr opr iate combinat ion displays appear. In t he ex am ple below, the radar combinat ion screens are shown. When WX FA X is sel ec ted at step 2, a combination dis play does not appear.

1-8

PUSH ENTER KNOB.

Radar combi nation screen select ion window

5. Rotate t he [ E NTER] knob to select dis play desir ed.

6. Push the [ENTER] knob to finish.

1. OPERATIONAL OVERVIEW

1.5 .3 Switching control in combination and overlay screens

A soft key is provided in rel eva nt combinati on and overlay s c r eens to switc h control bet ween displays. In the exampl e below, the E:PLOTTR CNTRL and E:SNDR CNTRL soft keys enable switching control between the pl otter and sounder screens in the pl otter/sounder com binati on display.

34° 22. 3456’N 359.9°M TRIP NU 080° 22. 3456’E

16.0nm

WP-002

19.9 kt 99.9 nm

FISH

Plotter display selected

PLOTTR

CNTRL

To adjust sounder

34° 22. 3456’N 359.9°M TRIP NU

080° 22. 3456’E

16.0nm

19.9 kt 99.9 nm

0’33"

40.0

0’33"

40.0

100

150

200

SNDR

CNTRL

To adjust plotter

MARK ENTRY

MODE

NTH UP

NAV

POS

PLOTTR

CNTRL

SHIFTA

MODEB

FREQ

WP-002

FISH

Sounder display selected

100

150

200

DISPLAY

MODE

SNDR

CNTRL

/HF

How to swi tch control betw een modes in the plotter/sounder c ombinati on display

1-9

1. OPERATIONAL OVERVIEW

1.5.4 Selecting image source

When more than one network radar or network sounder is connected to the equipment, you may select an image source for each as show n below. This is not necessary when only one netw or k r adar or network sounder is connected.

1. Press the [DISP] key.

2. Press any soft k ey to show the foll owing display.

▲

RADAR SOURCE SOUNDER SOURCE AUX SOURCE WXFAX IP ADDRESS HOST NAME

IF THERE IS MORE THAN ONE NETWORK RADAR OR ECHO SOUNDER, YOU MAY SELECT THE IMAGE SOURCES FOR DISPLAY.

SOUNDER

172.031.003.007 RADAR

RADAR

- - -

- -

- - -

SELECT SOURCE

EDITA

RETURNE

Select source menu

3. Use the trackball to select RADA R S O URCE, SOUNDER SOURCE or AUX

SOURCE as appropriate, then press the A : EDIT soft key.

RADAR SOURCE SOUNDER SOURCE

RADAR

- - -

SOUNDER

AUX SOURCE

WXFAX

- - - - -

Radar source Sounder source Aux source

Radar source and sounder source windows

4. Use the t r ac k ball and alphanumeric keys t o enter source name: Adjust the

trackball to select location and enter c har ac ter wi th the alphanumeri c k eys.

5. Push the [ENTER] k nob to set.

6. Press the [DISP] key to finish.

Note: Source names are deter m ined at installation. For example, the source

names for radars in a two-r adar s ystem mi ght be “RADAR” and “RADAR1”.

1-10

1.6 Trackball, Cursor

The trac k ball functions to shift the cursor, for measurement of r ange and bear ing to a location (radar) and latitude and longi t ude pos ition (pl otter). Roll the trackball to shift the cursor. The cursor m oves i n the directi on of trackball rotation.

Cursor

3nm LP

12/ H-UP

319. 9

1. OPERATIONAL OVERVIEW

SIGNAL

PROC.

RADAR

DISPLY

NAV

FUNC

TARGETD

Cursor data L/L position, Range and bearing from own ship to cursor

Cursor

Radar Display

34° 22. 3456'N 272.4°M

080° 22. 3456'E

15.9 nm 99.9 nm

16.0nm

WP-002

FISH

BRIDGE

ZOOM &

D. BOX

359.9 ˚R

11.70

Cursor Data Bearing from own ship to cursor Range from own ship to cursor

TRIP

MARK

ENTRY

MODE

NTH UP

CENTERC

GO TO

CURSOR

D. BOX

OFF

Plotter Display

Cursor, cursor data

1-1 1

1. OPERATIONAL OVERVIEW

1.7 Entering the MOB Mark, Setting MOB as Destination

The M OB (Man Overboard) mar k functions to m ar k man overboard pos ition. You can inscribe this mark f r om any mode, except while playing bac k data or conducting any test. Not e that this f unc tion requires position data.

MOB

Range, bearing

Man overboad

Current position

mark

162.5°

0.49 nm

MOB Data Box Bearing and range to MOB position

(MOB)

1. Press and hold down the [SAVE/MOB ] key for about three seconds w hen

someone falls onboard. The display shows the way point number being saved (youngest em pty w aypoint number, 001-999) followed by the MOB confirmation window.

WAYPOINT SAVED! XXXWPT

CONTINUE PUSHING FOR MOB!

XXX = Waypoint no.

2. Push the [ENTER] knob to select the MOB positi on as the destination, or

press the [CLEAR] key to onl y mark current s hip’s position as a w aypoint. If you selec t the MOB pos ition as dest ination;

• A full-screen radar, plotter or overlay appear s depending on the displ ay in use.

• The MOB mark “M” appears at the MOB posit ion and a line runs between it and current posi t ion. This line shows t he s hor t es t course to the MOB position.

MOB conc ept

CONTINUE PUSHING FOR MOB!

*SEC

*: Count down 3 seconds

MOB mark messages

MAN OVER BOARD! GO TO MOB? YES ... PUSH ENTER KNOB NO ... PUSH CLEAR KEY

1-12

• Range and bearing t o the MOB position are shown in the MOB data box.

To erase an MOB mark from the plotter d isplay, you must first erase its corresponding waypoi nt because the normal waypoint and MOB m ar k shar e the same position. Place the cursor on the MOB mark, then pres s the [CLEAR] key followed by pushing the [ENTER] knob to erase t he waypoint. Then, repeat to erase the MOB mark.

1.8 Data Boxes

Data boxes, pr oviding navigation data, may be shown on any full-scr een display. Up to six dat a box es (two in case of large charact er s ) m ay be shown, and t he default dat a box es are position (in latit ude and longitude), c ourse over ground, speed over ground and trip log. The user may choose whic h data to display, where t o loc ate it, and show or hide it as desi r ed. I n addition, dat a box es m ay be set indepen dently for eac h display mode (pl otter, radar, sounder). For how to select dat a for the data boxes , see the paragraph “5.5 Data Boxes Setup.”

12/ H-UP

TRIP LOG

Data boxes

3nm LP

177

47°58.535'N

36.496'W

122

COG

323.6

Radar Display

SOG

20.0

1. OPERATIONAL OVERVIEW

319. 9°

SIGNAL

PROC.

RADAR

DISPLY

NAV

FUNC

TARGETD

ZOOM &

D. BOX

359.9 ˚R

11.70

34° 22. 3456'N 359.9°M 080° 22. 3456'E

19.9 kt 99.9 nm

16.0nm

WP-002

Data boxes

TRIP LOG

47°58.535'N 122

177

36.496'W

FISH

COG

323.6

SOG

20.0

Plotter Display

Data boxes

1.8.1 Showing, hiding data boxes with soft key

Plotter: E: D. BOX ON/OFF Radar: E: ZOOM & D. BOX → D: D. BOX ON/OFF (EBL/VRM data box, cursor

data box also shown/hidden) Sounder: B: AUTO/D. BOX

→A: D. BOX ON/OFF

TRIP

MARK

ENTRY

MODE

NTH UP

NAV

POS

D. BOX

ON /

OFF

1-13

1. OPERATIONAL OVERVIEW

1.8.2 Rearranging data boxes

You may select the loc ation for data boxes as follows:

1. Using the trackbal l, place the c ur s or inside the data box you wish to move. As the cursor enters the box it c hanges to an open hand. Push the [ENTER] knob, and the hand changes to a f ist, meani ng the box is correct ly selected.

2. Use the trackbal l to move the data box to the location desired, then push the [ENTE R] knob to anchor the box.

1.8.3 Temp or ar ily erasing a da ta bo x

If a data box is obscuring a desi r ed object you may temporari ly erase the box. Use the trackball to plac e t he c ur s or inside the d ata box you wish to erase, then press the [CLEAR] key. To redisplay the box, pres s the D. BOX s oft k ey tw ice.

1-14

1.9 Function Keys

The function keys provide for one-touch exec ution of a desir ed function. The default f unc tion key settings are as shown in the table below.

Key

#1 Heading line on/off, HL Track on/off, TRK TLL output, TLL #2 Rings on/off, RNG Edit mark/line, EML Clutter, CLT #3 Echo trail, TRL Ruler, RUL Signal level, SLV #4 Offcenter, SFT Add new waypoint,

#5 STBY/TX, TX Waypoint

Executing a function

1. Press the [HIDE /SHOW] key to replace the preset soft key labels with the function k ey labels.

Radar Plotter Sounder

1. OPERATIONAL OVERVIEW

Default Setting, Key Label Function

Noise limiter, NL

ADD

Picture advance, PA

alphanumeric list, ALP

3nm

12/

H-UP

Radar Display

34° 22. 3456'N 359.9°M

080° 22. 3456'E 19.9 kt 99.9nm

16.0 nm

002WP

FISH

BRIDGE

319. 9

359.9 ˚R

11.70

TRIP

H L

R N G

T R

Function

keys

S F T

T X

R K

R U

Function

keys

A D D

Plotter Display

Function k ey s

1-15

1. OPERATIONAL OVERVIEW

2. Press function key desired.

Note: Funct ion keys can be individuall y programmed for t he plotter, radar and

sounder dis plays. F or furt her details see t he following:

Radar: paragraph 5.2.3 Plotter : paragraph 5.3.2 Sounder: paragraph 5.9.4

1.10 Simulation Display

The si m ulat ion display, for use by service tec hnicians for dem ons tration purposes, pr ovides simul ated operation to help acquaint you with the many features your unit has to offer. It allows you to view and control a simulat ed plotter, radar and sounder picture, without position-fixing equi pm ent, netw or k radar or a network sounder. Most controls are operative, thus you may practice setting des tination, enter waypoints, measure range and bearing t o a t ar get, etc.

The si m ulat ion icon (

To start the simulation displ ay ;

1. Press the [MENU] k ey.

2. Press the E:SYSTEM CONFIGURATION, C: SYSTEM SETUP and D:SIMULATION SETUP soft keys in that order.

) appears when any simulation mode is ac t ive.

SIM

RADAR LIVE

PLOTTER LIVE

SOUNDER LIVE

SPEED 00.0kt

COURSE 000.0

LATITUDE 45°35.000’N

LONGITUDE 125

START DATE & TIME 00:00 24.NOV.01

RADAR SIMULATION DATA NO

00.000’W

SETUP

EDITA

RETURNE

Simulation setup m enu

3. Follow appropr iate procedure on the next s everal pages.

1-16

Radar

1. OPERATIONAL OVERVIEW

NavNet proces sor unit-generated echoes

1. Selec t RADAR, then press the A:EDI T soft key.

RADAR

▲

SIMULATION 1

SIMULATION 2

LIVE

▼

2. Selec t SIMULATION 1, then push the [ENTER] knob.

3. Press the [MENU] k ey to close the menu.

NavNet radar antenna-ge nerated echoes ( not availabl e with the GD-1900C-BB)

1. Sel ect RADAR SIM ULATION DATA , then press the A:EDIT soft k ey.

2. Selec t YES, then push t he [ENTER] k nob to erase simul ation data and get new data. The message “Now getting simulation data. Do not turn of f processor unit.” appears while the uni t is receiving radar data.

Note: I f t he network radar coul d not be found “R adar s ource is not found.

Cannot get demo data.” appear s . And if the radar is not active, the message “Radar is not act ive. Cannot get demo data.” is displayed. Check that the r adar is plugged in and its signal cable is fir m ly fastened.

3. Selec t RADAR, then press the A:EDI T soft key.

4. Selec t SIMULATION 2, then push the [ENTER] knob.

5. Press the [MENU] k ey to close the menu.

Plotter

1. Selec t PLOTTER, then press the A:EDIT soft key.

PLOTTER

▲

SIMULATION

LIVE

▼

2. Selec t SIMULATION, then push the [ENTER] knob.

3. Select SPEED, t hen press the A:EDIT soft key.

4. Enter s peed (setti ng r ange, 0-99 kt, default speed, 0 kt) with the alphanumeric keys, then push the [ENTER] knob.

5. Selec t COURSE, then pr ess the A:EDI T k ey.

6. Selec t “8 FIGURE” to trace the si m ulated ship’ s trac k in a figure-eight cour se, or enter your own course at DIRECTIO N. To enter course, use the tr ack ball to select digit, and enter value with the alphanumeric keys.

7. Press the C:ENTER soft key.

8. Selec t LATITUDE , then press the A: E DIT soft key.

9. Enter latitude (s etting range, 85

°N-85°S, default setting, 45°35.000’N). To

change N to S, or vi c e ver s a, press the A: N <- -> S soft k ey. Then push the [ENTE R] knob.

1-17

1. OPERATIONAL OVERVIEW

10. Select LONGITUDE, then press the A:EDIT soft key.

11. Enter longitude (s etting range, 180°E-180°W , default s etting, 125°00.000’W). To change W to E, or vice versa, press the A: W <- -> E soft key. Then push the [ENTER] knob.

12. Select START DATE & TIME, then press the A: E DIT soft key.

13. Enter start date and t ime by rotating the track ball and [ENT E R] k nob, then push the [ENTER] knob.

14. Press the [MENU] key to close the menu.

Sounder

1. Selec t SOUNDER, then press the A:E DIT soft key.

SOUNDER

▲

SIMULATION 1

SIMULATION 2

LIVE

▼

2. Selec t SIMULATION 1 (internally generated echoes) or SIM ULATION 2 (netw or k s ounder- generated echoes), then pus h the [ENTER] knob.

Note: T he depth, shift , bot tom-zoom, bottom - lock and bott om discrimination

cannot be shown at SIMULATION 1 mode.

3. Press the [MENU] k ey to close the menu.

1-18

2. RADAR OPERATION

This chapt er covers radar oper ation, including the ARP (A uto Plotter) function. ARP requires a Model 1800-B B / 1900-BB series netw ork r adar equipped wi th the ARP circuit board.

2.1 Radar Display

North marker (Head-up, Course-up mode)

Range

Presentation mode

Alarm icon

EBL1

Battery icon

Simulation mode

Guard zone 1

Range ring

VRM1

Zoom area

EBL1 bearing

VRM1 range

Range ring interval

3nm

12/

H-UP

EBL1

27.0°R VRM1

5.666nm

Pulselength

EBL2

327.1°R VRM2

8.212nm

Guard zone 2

Cursor

Heading line

°M

319. 9

EBL2 bearing, VRM2 range

Heading M: Magnetic T: True

TRAIL 30m

02m30s

G1 IN

G2 OUT

ES 2

EAV L

IR L

359.9 ˚R

11.70

Trail time Trail elapsed time

Guard zone 1 Guard zone 2

Echo stretch

Echo averaging

Interference rejector

VRM2

EBL2

Own ship vector (ARP-equipped model, true vector mode)

Zoom window

Cursor range and bearing (Cursor position may also be shown, in L/L or Loran C TD.)

Radar display

2-1

2. RADAR OPERATION

2.2 Transmitting, Stand-by

1. Confi r m that the network radar is plugged in if necessar y.

2. Press the [DISP] key to select a radar display.

3. Press the [POWER/TX] key moment arily.

4. Press the D:RADAR STBY soft key to highlight T X on its label.

5. Press the E:RET URN s oft key.

When the radar picture is not r equired, but y ou want to keep it in a state of readiness, pr ess the D:RADAR TX sof t key to highlight STBY on its label.

2.3 Tuning

The radar rec eiver can be tuned automatically or manual ly, and the default tuning method is automati c . If you require manual tuning, do the foll owing:

1. Press the [ME NU] k ey to display the main menu.

2. Press the A:RADAR DISPLAY SETUP soft key.

3. Select TUNING, then press the A:EDIT soft k ey.

TUNING

AUTO

MAN

4. Choose MAN.

5. Adjust the [ENTER] knob until the tuning bar is at its longest pos ition.

6. Press the [ME NU] k ey to close the menu.

Note: I f t he auto setting does not provide satisfactory tuning, ask your dealer

how to r e- adjust tuning.

2.4 Adjusting the Gain

The [G AIN] key adjusts t he gain sensitivity of the radar receiver. It works in a manner si m ilar to that of vol um e c ontrol of a bro adc as t receiver, which ampli fies received signals.

The proper setting is such that the background noise is just visible on the screen. If your gai n s et ting is too low, weak echoes may be mi s s ed. On the other han d, excessive gain yields too much backgrou nd noise; strong targets may be missed because of t he poor contrast between desi r ed echoes and the background noise on the displ ay.

To adjust the receiver sensiti vi ty, transmit on long range, and then do the following:

Tuning bar

Tuning window

2-2

2. RADAR OPERATION

1. Press the [G AIN] key to show the “gain adjus tment” soft keys, and the last-used adjustment w indow appears. The exampl e below shows the gain sensitivity adjust ment window. The gain soft keys shown depend on radar source as shown below.

3nm

12/

H-UP

GAIN SENSITIVITY

 ¤

AUTO ROUGH

AUTO MODERATE

AUTO CALM

¡

MAN

319. 9

GAIN

ADJUST

359.9 ˚R

11.70

GAINA

A/C SEA

A/C RAIN

A/C AT

ON /

OFF

RETURNE

When the radar source is the M1700 series radar, this key's label is changed to "FTC".

Gain adjustment soft key

2. Press the A:GAIN soft key to show the gain sensitivity setting window.

GAIN SENSITIVITY



AUTO ROUGH

¤

AUTO MODERATE

AUTO CALM

¡

MAN

Gain sensitivity window

3. Use the trackball to select AUTO ROUGH, AUTO MODERATE, AUTO CALM, or MAN (manual) as appropri ate. Select an A UTO option according to the sea state.

4. For manual adj us tment, rotat e the [ENTER] knob to adjust, while observing the radar echo. The range of adjustment is 0-100.

5. Press the [G AIN] key on the fr ont panel or the E:RE TURN soft key to finish.

2-3

2. RADAR OPERATION

2.5 Reducing Sea Clutter

2.5.1 How the A/C SEA works

Echoes from waves can be troublesome, covering the cent r al part of the display with random signals known as “sea clutter”. The higher the waves and the hi gher the antenna above the water, the further the c lutter will extend. Sea clutter may affect radar perform ance because real targets are som etimes hidden by the echoes of sm all waves. (See the left-hand f igure in t he figure below.) When sea clutter masks the pi cture, adjust the A/C SEA to reduce the clutter.

The A/C SEA reduces the amplification of echoes at short ranges (where clutter is the greatest) and progressively increases amplification as the range increases, so amplification will be normal at thos e r anges where t her e is no sea clutter .

Sea clutter at

screen center

2.5.2 Adjusting the A/C SE A

A/C SEA should be adjust ed so that the clut ter is broken up into small dots, and small targets become distinguishabl e.

1. Press the [G AIN] key.

2. Press the B:A/C SEA soft key to show the A/C SEA setting window.

A/C SEA



AUTO ROUGH

¡

AUTO MODERATE

AUTO CALM

¤

MAN

When radar source is Model 1700 series

3. When the radar source is t he Model 1700 se ries, use the tr ac k ball to select AUTO ROUGH, AUTO MODE RATE, AUTO CA LM, or MAN (manual ) as appropri ate. Select an A UTO option according t o t he s ea s tate.

4. For manual adj us tment, rotat e the [ENTER] knob to adjust. The range of adjustment is 0-100. Do not ov eradjust – weak echoes may be missed.

A/C SEA setting window

A/C SEA adjusted;

sea clutter suppressed

Effect of A/C SEA

Model 1800/1900-BB series radar

A/C SEA

2-4

5. When the radar source is t he Model 1800-BB/1900-BB series, sea clutter and rain clutter can be autom atically rejected. Press the D: A/C AT ON/OFF soft key to select ON or OFF as appropriate. When turned on, it overrides A/C SEA and A/C RAIN set t ings.

6. Press the [G AIN] key on the fr ont panel or E:RETURN soft key to finish.

2.6 Reducing Precipitation Clutter

The verti c al beamwidth of the antenna is designed to see surface targets e ve n when the s hip is rolling. However, by this des ign the unit will also detect precipitation clutter (rain, snow, hail, etc.) in the same manner as normal targets. Precipi tation clutt er s hows as random dots on the screen.

Adjusting the A/C RAIN

When echoes f r om prec ipitation mask soli d targets, adjus t the A/C RAIN t o s plit up these unwanted echoes into a speckled pattern, maki ng r ec ognition of solid targets easier .

1. Press the [G AIN] key.

2. Press the C:A/C RAIN sof t key to show the A/ C RA IN window.

2. RADAR OPERATION

A/C RAIN

A/C RAIN set ting window

3. Rotate the [E NTER] knob to adjust the A/C RA IN. The curr ent level is shown on the A/C RAIN level bar in the A/C RAIN window, and the range of adjustment is 0 to 100. Do not overadjust – weak echoes may be missed.

4. Press the [G AIN] key on the fr ont panel or E:RETURN soft key to finish.

Adju st ing the FTC (When the radar source is the M1700 series radar)

To suppress rain clutter from heavy storms or scat tered rain clutter, adjust the FTC.

In addition to reducing clutter, the FTC can be used in fine weather to c larify the picture when navigating in confined waters. However, with the circuit active the receiver is less sensitive. Therefor e, turn off the FT C, by setting it for “0”, when its function is not requi r ed.

1. Press the [G AIN] key.

2. Press the D:FTC soft key to show the FTC window.

3. Rotate the [ENTER] knob to adjust. The range of adjust m ent is 0-100. Do not overadjus t the FTC – weak target echoes may be m issed.

4. Press the [G AIN] key on the fr ont panel or E:RETURN soft key to finish.

2-5

2. RADAR OPERATION

2.7 Range Scale

The range set ting determi nes the size of the ar ea (in nauti c al miles) that will appear on your display. In addition, the range s etting will also automatically adjust the r ange r ing inter val s o that accurate range measurem ents may be made while operating on any range setting.

The range, r ange ring int er val and pulselengt h appear at t he top left-hand corner of the display.

Press the [RANGE (+ or -)] key to change the range scale.

Range scales (nm, sm)

Range 0.125 0.25 0.5 0.75 1 1.5 2 3 4 6 8 12 16 24 36 48 64 72 Ring

Interval No. of

Rings

Range 0.25 0.5 0.75 1 1.5 2 3 4 6 8 12 16 24 36 48 64 72 Ring Interval 0.125 0.25 0.25 0.25 0.5 0.5 1 1 2 2 3 4 6 12 12 16 18 No. of Rings 2 2 3 4 3 4 3 4 3 4 4 4 4 3 4 4 4

0.0625 0.125 0.125 0.25 0.25 0.5 0.5 1 1 2 2 3 4 6 12 12 16 18

2 2 4 3 4 3 4 3 4 3 4 4 4 4 3 4 4 4

Range scales ( k m)

Note 1: Max imum range depen ds on the network radar as shown below.

Range scale c an be selected f r om t he m enu.

Model 1722/ 1722C/1823C/1823C-BB: 24 nm Model 1732/ 1732C/1742/1742C/1833/1833C/1833C-BB: 36 nm Model 1762/ 1762C/1933/1933C/1933C-BB: 48 nm Model 1943/ 1943C/1943C- B B : 64 nm Model 1953C/ 1953C-BB: 72 nm

Note 2: You may choose which ranges t o us e from the RADAR RA NGE SETUP

menu. For details see para graph 5.2.2. This functi on is not available with the G D- 1900C-BB.

Note 3: T he r ange unit (nm or km) c an be selected with RANGE UNIT in the

radar displ ay setup menu (p age5-3).

2-6

2.8 Pulselength

The puls elength in use i s displayed at t he upper left corner of the display. Appropri ate pulselengths are preset to i ndividual range s c ales. Ther efore, you are not usually required to select them. If you are not satisfied with the current pulselengt h s etting, however , it is possible to change it f or t he r anges s hown below. Generally, select a longer pulse for longer detect ion range and shor ter pulse for bet ter range disc riminati on.

1.5 nm, 1.5 sm , 3 k m : Short pulse, m edium pulse

3 nm, 3 sm, 6 km: Medium pulse, long pulse

1. If not displ ayed, press the [HIDE/SHO W] key to show the radar sof t keys.

2. Press the A:SIGNAL PROC. soft key .

2. RADAR OPERATION

3nm

12/

H-UP

319. 9

°M

11.70

SIGNAL PROCESS

I. REJ

OFF

E. AVG

OFF

PULSE

ELONG

E. STR

OFF

RETURNE

359.9 ˚R

Shown when radar source is the Model 1800/1900-BB series radar. Not shown otherwise.

Signal proc es s s oft keys

3. Choose the 1.5 nm or 3 n m with the RANGE k ey.

4. Press the C:PULSE sof t key to select the puls elengt h s etting. SHO RT or MEDIUM for 1.5 nm, 1.5 sm , 3 k m and M E DIUM or LONG for 3 nm, 3 sm , 6 km.

5. Press the E: RE TURN soft key to finish.

2-7

2. RADAR OPERATION

2.9 Presentation Mode

This unit provides four radar pr es entation modes: head-up, course-up, north-up and true moti on.

Heading data is required for m odes other than head-up.

2.9.1 Selecting a presentation mode

1. If not dis played, press t he [HIDE/SHOW] key to show the radar soft k eys.

2. Press the B:RADAR DISPLY soft key t o s how the RADAR DISPLAY soft keys.

3nm

12/

H-UP

319. 9

°M

RADAR DISPLAY

MODE

HD UP

SHIFTB

RINGS

HIGH

OFF

RETURNE

359.9 ˚R

11.70

Radar display soft keys

3. Press the A:MODE sof t key. Each pressing of t he key changes the presentat ion mode and the presentation mode indication i n the sequence of North-up, True Motion, Head- up, and Course-up.

Function Indicator on display Soft key label

North-up N-UP NTH UP

2-8

True Motion TR-M TRUE M Head-up H-UP HD UP Course-up C-UP CSE UP

4. Press the E:RE TURN soft key to f inish.

Note: When heading data is los t, the presentation mode automaticall y goes to

head-up, the heading indicati on at the screen top shows “- - -.- °” and the audio alarm s ounds. Press the [ALA RM] key to acknowledge the alarm. The message “ HE A DING DATA MISSING ” appear s . Restore compas s signal t o s how heading indication. Us e the A :MODE soft key to select presentat ion mode if necess ary. The audio al arm m ay be silenc ed with the [CLEAR] key.

2.9.2 Description of presentation modes

Head-up

A display wi t hout azimuth stabilization in which the line connecting the center wi th the top of the display indicates own ship’s heading. Targets are paint ed at their measured distances and in their dir ec tions relat ive to own ship’s heading.

The short line on the beari ng s cale is the nort h m ar k er.

2. RADAR OPERATION

North Marker

Heading Line

Head-up presentation mode

Course-up

The radar picture is stabilized and displayed w ith the current ly selec ted course at the top of the s c reen. A s you change heading, t he s hip’s heading line moves. I f you selec t a new course, the picture r esets to display the new course at the top of the display.

Targets are painted at their measured distances and in their directions relative to the intended cour s e which is maint ained at the 0-degree posi tion. The heading line moves i n acc or danc e with ship’s y awing and course changes.

North Marker

Heading Line

Course-up present ation mode

2-9

2. RADAR OPERATION

North-up

In the north-up mode, tar gets are painted at their m eas ured distances and in their tr ue (c om pass) directions from own ship. North is maintained at t he top of the screen. The heading line changes its direct ion according to s hip’s heading.

North

Heading Line

North-up presentation m ode

True motion

Fixed radar targets m aintain a c ons tant position on the screen, while your own ship moves across t he r adar image at the correct speed and heading. A map-like image is displayed, with all moving vessels traveling i n true perspective to eac h other and to fixed landmasses. As your ship’s positi on appr oac hes the edge of the screen, t he radar display is automati c ally res et to reveal the area ahead of your shi p. You can manually reset y our s hip’s position at any t ime by pressing the B:RADAR DISPLY soft key f ollow ed by the B:SHIFT soft k ey.

North

Heading Line

True motion present ation mode

2-10

2.10 Measuring the Range

You can measure the range to a radar target three ways: by the range rings, by the cursor, and by the VRM (Variable Range M ar k er ) .

Measuring range by range rings

Count the number of r ings betw een the center of the di s play and the target. Check the range ri ng interval and judge the distance of the echo from the i nner edge of the nearest r ing.

To turn the range rings on, do the foll owing:

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the B: RA DA R DISPLY soft key.

2. RADAR OPERATION

3nm

12/

H-UP

319. 9

°M

RADAR DISPLAY

MODE

HD UP

SHIFTB

RINGS

HIGH

OFF

RETURNE

359.9 ˚R

11.70

Radar display soft keys

3. Press the C:RINGS soft key to turn the rings on and select desired brilliance.

4. Press the E:RE TURN soft key to f inish.

2-1 1

2. RADAR OPERATION

Measurin g ra ng e b y curs or

Operate the t r ack ball t o place the cursor inter s ection on the inside edge of the radar target. The range to the t ar get, as well as the bearing, ap pears to the right of “+” at t he bottom of the di splay.

Cursor

3nm

12/

H-UP

Target

319. 9

SIGNAL

PROC.

RADAR

DISPLY

NAV

FUNC

TARGETD

ZOOM &

D. BOX

How to m eas ur e range to a target with the curso r

Note: The range unit (nm or km) c an be se lected w ith RANGE UNIT in the

general setup menu (page5-1).

Measuring range by VRM

1. Press the [EBL/VRM] key to display the EBL/VRM soft keys.

3nm

12/

H-UP

11.2 ˚R

11.70

Range and bearing from

own ship to cursor

EBL

319. 9

VRM

EBL1

VRM1

OFFSETC

2-12

EBL2

VRM2

359.9 ˚R

11.70

EBL/VRM soft keys

2. Press the B:V RM1 ON (dotted r ing VRM) or E: VRM2 ON (dashed ring VRM) soft key to select the desired VRM. The selected VRM’s indicati on, at the bottom of t he s cr een, is highl ighted.

2. RADAR OPERATION

3. Rotate t he [ E NTER] knob to place the VRM on the inside edge of a radar target. Read the VRM i ndication to find range to the target.

You may also adjust the VRM , within the range ring interval, by pr es s ing the

VRM soft key.

3nm

12/

H-UP

VRM2

(Dashed line)

VRM1

(Dotted line)

EBL2

---.-°R VRM2

9.343nm

VRM1 range

EBL1

---.-°R VRM1

3.123nm

VRM2 range

How to m eas ur e r ange with the VRM

4. You may hide the EB L/VRM soft keys by pressing t he [EBL/VRM] key.

Erasing a VRM, VRM indication

319. 9

VRM

EBL1

VRM1

OFFSETC

EBL2

VRM2

359.9 ˚R

11.70

EBL

Active VRM is highlighted.

Press appropriate VRM soft key (B or E k ey), then press the [CLEAR] key. The VRM is er ased and its indication bec omes blank.

Erasing VRM data boxes

Press the VRM (B or E key) s oft key associated with the V RM data box you wish to erase. Press the [CLEAR] key once or tw ice to erase the data box.

Hiding VRM data boxes

Press the E: ZOOM & D. BOX and D:D. BOX O N/ OFF soft keys t o s how or hide the VRM data boxes.

Moving VRM data boxes

When an VRM data box is obsc ur ing a target you want to see, you can move i t to another loc ation as shown below. Thi s cannot be done when the E B L/ V RM soft k eys are shown.

1. Press the [EBL/VRM] key to turn off the EBL/VRM soft keys.

2. Using the trackball, place the cur s or inside the data box you wish to move.

As the cursor ent er s the box it changes t o a “ open hand.” Push the [ENTER] knob, and the hand changes t o a fist, meaning the box is corr ec tly selected.

3. Use the trackball to move the data box to the location desired, then push the [ENTE R] knob.

2-13

2. RADAR OPERATION

2.11 Measuring the Bearing

There are two ways to measure t he bearing to a target: by the cur s or, and by the EBL (Electronic bearing Line).

Measuring bearing by cursor

Use the trackball to plac e t he c ur s or at the center of the target. The bearing to the target appears in the range and bearin g box at the bott om r ight-hand corner on the screen.

Measuring bearing by EBL

1. Press the [EB L/VRM] key.

2. Press the A:E B L1 ON (dotted line EBL) or D:EBL2 ON (dashed l ine EBL) soft key to select the desired EB L. The selected EBL’s indicat ion, at the bottom of the screen, is highli ghted.

3. Rotate the [ENTER] knob to bisect the radar target with the EBL. Read the EBL indic ation to find the bear ing to the target.

You may also adjust the EB L, in intervals of 90°, by pressing the EBL soft

key.

EBL1

(Dotted line)

EBL2

(Dashed line)

EBL2 bearing

EBL1 bearing

3nm

12/

H-UP

EBL1

330.1°R VRM1

-.---nm

EBL2

234.1˚R VRM2

-.---nm

319. 9

Active marker is highlighted.

°M

EBL VRM

11.70

EBL1 ON

VRM1 ON

OFFSETC

EBL2 ON

VRM2 ON

359.9 ˚R

How to m eas ur e bearing wit h t he E B L

4. You may hide the EB L/VRM soft keys by pr es s ing the [EBL/V RM] key.

Note: T he bear ing to a target may be shown r elative to own s hip’s heading

(Relati ve) or True bearing (requi r es heading data) . This may be done with “EBL REFERENCE in the RADA R DISPLAY SETUP menu.

Erasing an EBL, EBL indication

Press appropr iate EBL soft k ey, then press the [CLEAR] key. The EBL is erased and its i ndication becomes blank.

2-14

Erasing EBL dat a bo xe s

Press the EBL (A or D k ey) soft key as s oc iated with t he E BL data box you wish to erase. Press the [CLEAR] k ey once or twic e to eras e the data box.

Hiding EBL data boxes

Press the E: ZOOM & D. BOX and D:D. BOX ON/OFF soft keys to show or hide the EBL data boxes.

Moving EBL da ta b oxe s

When an EBL dat a box is obscuring a target you want to see, you c an move it to another l oc ation as shown below. This cannot be done when the EBL/VRM soft keys are shown.

1. Press the [EBL/VRM] key to turn off the EBL/VRM soft keys.

2. Using the trac k ball, plac e the cursor inside the data box you wish to move. As the cursor enters the box it changes to a “ha nd.” Push the [ENTER] knob, and the hand ch anges to a fis t, meaning the box is correctly selected.

3. Use the trackball to move the data box to the location desi r ed, then push the [ENTE R] knob.

2. RADAR OPERATION

2-15

2. RADAR OPERATION

2.12 Erasing the Heading Line, North Marker

The heading line indi c ates the ship's heading in all pr es entation modes. It is a line fr om t he own ship position to the outer edge of the radar display area and appears at zero degrees on t he bear ing scale in head- up m ode; it changes i ts orient ation in the north-up, course-up and true m otion modes with ship’s movement.

The north m ar ker appear s as a s hor t dashed line. In the head-up and course-up modes the north mark er m oves around the bearing scale as the ship’s heading moves.

To temporaril y erase the headi ng line and north marker, press the B:RADA R DISPLY s oft key followed by the D: HL OF F soft key. Release the key to redisplay the markers. ( If the radar soft keys are not shown, hit the [HIDE/SHOW] key to display them.)

2.13 Reducing Noise Interference

Noise, appearing on the displays as random “speckles,” can be reduced as follows:

1. Press the [ME NU] k ey to open the menu.

2. Press the A:RADAR DISPLAY SETUP soft key.

3. Select NOISE REJECT ION, then press the A:EDIT s oft key.

4. Select OFF, LOW or HIGH as appropriate.

5. Press the C:ENTER soft key.

6. Press the [ME NU] k ey to close the menu.

2-16

2.14 Rejecting Radar Interference

Radar interf erenc e m ay occur when near another shipborne r adar that is operating i n the same frequency band as your radar. Its on-scr een appearanc e looks like many bright dots either scatter ed at r andom or in the form of dotted lines extending from the c ent er to the edge of the dis play. Interferenc e effects are distinguishable fr om nor m al echoes because they do not appear in the sam e place on success ive rotations of the scanner.

Be sure to turn off the i nterference rejector when no i nterference exis ts – weak targets may be missed.

2. RADAR OPERATION

Radar interf er enc e

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the A:SIGNAL PROC. soft key.

3nm

12/

H-UP

319. 9

°M

SIGNAL PROCESS

I. REJ

OFF

E. AVG

OFF

PULSEC

E. STR

OFF

RETURNE

359.9 ˚R

11.70

Shown when radar source is the Model 1800/1900-BB series radar. Not shown otherwise.

SIGNAL PROCESS soft keys

3. Press the A:I. REJ soft key successively to choose the interference rejection level desir ed; LOW, M E D, HIGH or O FF.

4. Press the E:RE TURN soft key to f inish.

The dis play shows IR L (Low ), IR M ( Medium) or IR H (High) when the interfer enc e rejector is on.

2-17

2. RADAR OPERATION

2.15 Zoom

The zoom f eature allows you to double the size of the area selected with t he “zoom circle.” It is available on any range but i s inoperative in t r ue m otion and when the display is shifted.

2.15.1 Zooming in on radar targets

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Use the trackball to set t he c ur s or where you want to zoom .

3. Press the E:ZOOM & D. B OX soft key to s how ZOOM and D. BOX soft k eys.

4. Press the A:ZOOM ON/OFF soft key to select ON. A solid circle, called the “zoom circle,” appears on the display.

5. To release the cursor, press the B:CURSO R FLOAT soft k ey. (The solid circle changes to a dashed one.) To relocate the zoom c ircle, select locat ion wi th the trackball, then press the B:CURSOR LOCK k ey.

6. To quit the zoom function, press the A:ZOOM ON/OFF soft key to select OFF.

3nm

12/

Zoom circle

Zoom window

Zoom

2.15.2 Zooming in on ARP, TTM targets

You may zoom in on TTM (Tracked Target Message) and ARP targets. TTM targets can come from a NavNet connec ted radar, or from other ARP radar that is outputting the TTM message. (TTM is a NMEA 0183 data sentence that is an available out put from some ARP capable radar.) Target numbers must be t ur ned on to use this function. This c an be done by enabling t he target ID number option in the A RP SET UP menu.

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the A:ZOOM/D. BOX soft key to show ZOOM and D. BOX soft keys.

3. Press the A:ZOOM ON/OFF soft key to select ZOOM ON.

319. 9

ZOOM & D. BOX

ZOOM

ON /

CURSOR

FLOAT

ARP

TGT ZM

D. BOX

OFF

RETURNE

359.9 ˚R

5.727

OFF

Requires optional ARP Board in Model 1800/1900-BB series network radar. Not shown otherwise.

2-18

2. RADAR OPERATION

4. Press the C:ARP TGT ZM soft key.

SELECT TARGET NO.

▲

▼

Target no. selection window

5. Use the [ENTER] knob to select number (1-10), then push the [ENTER] knob. If t he target number does not exist several beeps sound and the zoom function is cancell ed.

To cancel, press the B:CURSOR LOCK s oft key.

Note: T he z oom window blends in with the background when the background

color for the radar picture is whi te. If t he window is di fficult to see, change the background col or.

2.16 Shifting the Picture

Own s hip positi on, or sweep origin, can be di s placed manually or automatically to expand the vi ew field wi thout switching to a larger scale.

2.16.1 Manual shift

The sweep origin c an be s hifted in any presentation mode to a point specified by the cursor by up to 50% of the range i n use in any direc tion.

1. Locate the cursor anywhere within the effect ive radius of the di s play.

2. If not dis played, press t he [HIDE/SHOW] key to show the radar soft k eys.

3. Press the B:RADAR DISPLY soft key.

4. Press the B:SHIFT soft key.

5. Press the A:MANUA L soft key to shift. The heading line shi fts to the cursor locati on. SHIFT appears at right-hand corner of the display.

6. To cancel shif t, press the B: RA DA R DISPLY, B:SHIFT and D:OFF soft keys.

SHIFT

Cursor

Place cursor where desired.

Press the A:MANUAL soft key.

Shif ting the picture manually

2-19

2. RADAR OPERATION

2.16.2 Automatic shift

The amount of automatic s hift is calculated according to ship’s speed, and the amount of shi ft is limit ed to 50% of the range in use. For example, if you set the shif t speed setting for 15 knots and t he s hip is running at 10 k nots the amount of shift will be about 34%. The form ula for determining shift amount is as s hown below.

Ship's speed Shift speed setting

X 0.5 = Amount of shift(%)

Automati c s hift mode is only available in t he head-up m ode.

Setting au t omatic shift maximum speed

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the B: RA DA R DISPLY soft key.

3. Press the B:SHIFT soft key to show the shift soft keys.

4. Press the C:AUTO S.SPD soft k ey to display the auto s hip speed setti ng window.

AUTO SHIP SPEED

Auto ship speed s etting window

5. Adjust the trackball or [ENTER] k nob to set the maxi m um s peed of your vessel, and then push the [ENTER] knob or the C:ENTER soft k ey to set. The setting range is 1-999 k t and the default s et ting is 15 kt .

Automatic shift

2-20

Press the B: A UTO key to automatically shif t the sweep or igin. To cancel shift, press the B:RA DA R DISPLY, B:SHIFT and D:OFF soft keys .

2.17 Using the Offset EBL

The offset EBL can be used to predict a potential collision course. It can also be used to measure the range and bear ing between two targets.

2.17.1 Predicting collision course

The procedure below may be used to check i f a radar target is on a potenti al collision course with your vessel.

1. Press the [EBL/VRM] key to show the EBL/VRM soft keys.

2. Press the A:EBL1 ON sof t key to tur n on the EBL1.

3. Press the C:OFFSE T soft key. The or igin of EBL1 moves t o the cursor positi on, whic h is marked with an “X .”

4. Use the t r ac k ball to plac e the cursor on the radar target which looks like it might be on a collision course with own ship.

5. Push the [ENTER] knob to fix the origin positi on.

6. After waiting for a few minutes (at least three minutes), rotate the [ENTER]

knob so the EBL bisects the target at the new position. If the target tracks along the EBL towards the center of the display (your shi p’s position), the target may be on a collision course with your vessel.

7. To cancel the offset EBL, pr es s the C:OFFSE T soft key.

2. RADAR OPERATION

Target tracked here

Initial target position

Predicting collision c our s e with the offset EBL

3nm

12/

H-UP

EBL1

45.0˚R VRM1

-.---nm

319. 9

VRM

EBL1

VRM1

OFFSETC

EBL2

VRM2

359.9 ˚R

11.70

EBL

°M

2-21

2. RADAR OPERATION

2.17.2 Measuring range & bearing between two targets

The procedure which follows shows how to measure the range and bearing between two targets, us ing the targets “A” and “B” in the figur e below as an example.

1. Operate the tr ac k ball to plac e the cursor on the target “A.”

2. Press the [EBL/VRM] key to show the EBL/VRM soft keys.

3. Press the A:EBL1 ON soft key to turn on t he EB L1.

4. Press the C:O FFSET soft k ey. The origi n of EBL1 moves to the cursor positi on, whic h is marked with an “X .”

5. Rot ate the [ENTER] knob so the EBL bisects the target “B.”

6. Push the [ENTER] k nob, then press the B: V RM1 ON sof t key.

7. Rotate the [ENTER] k nob to place the VRM1 on the inner edge of t he target “B.”

8. Look at the indications for V RM1 and EBL1 to find the range and bearing between the two targets.

9. To cancel the offset EBL, pr es s the C:OFFSE T key.

Target B

Target A

Bearing and range between target A and target B

3nm

12/

H-UP

EBL1

45.0°R VRM1

7.121nm

319. 9

°M

EBL VRM

EBL1

VRM1

OFFSETC

EBL2

VRM2

359.9 ˚R

11.70

Measuri ng r ange and bearing between two targets

2-22

2.18 Echo Trails

Echo trails are simul ated afterglow of target echoes t hat represent their movements rel ative or true to own ship. This function is us eful for aler ting you past possible collision situations.

2.18.1 Trail time

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the D:TARGET soft key.

3. Press the A:TRAIL soft key.

2. RADAR OPERATION

Echo trail

Sample echo tr ails

3nm

12/

H-UP

319. 9

TRAIL

ON /

TRAIL

TIME

GRAD

SINGLE

TRAIL

COLOR

RETURNE

359.9 ˚R

11.70

OFF

Trail soft keys

4. Press the B:TRAIL TIME soft k ey to show the trail time window.

TRAIL TIME

▲

15 seconds

30 seconds

1 minute

3 minutes

6 minutes

15 minutes

30 minutes

CONTINUOUS

▼

Trail time w indow

5. Use the trackball to selec t time desi r ed.

6. Press the C:ENTER soft key.

7. Press the E:RE TURN soft key twice to finish.

2-23

2. RADAR OPERATION

2.18.2 Starting echo trails

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the D:TARGET soft key.

3. Press the A:TRAIL soft key.

4. Press the A:TRAIL ON/OFF soft key to select ON.

5. Press the E:RE TURN soft key twice to finish.

“TRAIL,” the echo t r ail tim e selected and elapsed time appear at the top right-hand corner of the display. Then, afterglow starts extending from all targets. Trails ar e r es tarted when the range or mode is c hanged and zoom or s hift is turned on.

For conti nuous t r ails, the m ax imum continuous trail time is 99 mi nut es and 59 seconds. When the elapsed time clock counts up to that time, the elapsed ti m e display resets to zero and trails begin again.

To turn off echo trail, press the A:TRAIL ON/OFF soft key to select OFF at step 4 in the above procedure.

2.18.3 Trail gradation

The echo tr ails can be shown in single or multiple gradations . Multiple gradati on paints the trai ls thinner with time, like the aft er glow on an anal og P P I radar.

1. If not display ed, pr es s the [HIDE/ S HOW] soft key to s how the radar soft key s .

2. Press the D:TARGET and A:TRAIL soft keys.

3. Press the C:G RA D s oft key to select SINGLE (monotone) or MULTI (multitone) as appropriat e.

4. Press the E:RE TURN soft key twice to finish.

Multitone Monotone

Multi tone and monotone trails

2-24

2.18.4 Trail color

Trails m ay be shown in blue, y ellow, green or white.

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the D:TARGET, A:TRAIL and D:TRAIL COLOR soft key s in that order.

3. Use the trackball to selec t the color desired, then press t he C:ENTER soft key.

4. Press the E:RE TURN soft key twice.

2.18.5 Echo trail mode

TRAIL COLOR

▲

BLUE

YELLOW

GREEN

WHITE

▼

Trail color window

2. RADAR OPERATION

Echo trails can be show n in Relative or True motion. ( True trails r equire heading and speed input s .)

1. Press the [MENU] key.

2. Press the A:RADAR DISPLAY SETUP key.

3. Choose TRAIL MODE, then press t he A:EDIT soft key.

TRAIL MODE

▲

TRUE

RELATIVE

▼

Trail mode window

4. Selec t TRUE or RE LATI V E as appr opr iate, then press the C:ENTER s oft key.

5. Press the [MENU] k ey to close the menu.

2-25

2. RADAR OPERATION

2.19 Echo Stretch

Normally, the reflected echoes fr om long range targets appear on the dis play as weaker and s m aller blips even though they are c om pens ated by the radar’s internal c ircuitry. The echo stretc h function magni fies these small bli ps in all ranges. Two types of echo stretch are available: ES LOW which st r et c hes echoes in beari ng direction and ES HIGH which stret ches them in both range and bearing direc t ions.

Target

Bearing direction

Range direction

Bearing direction

Echo Stretch OFF

This function magni fies not only targets but also s ea c lutter and radar interfer enc e. For this reason, be sure sea clutter and radar interference are properly s uppres s ed before activati ng the echo stretch.

1. If not display ed, pr es s the [HIDE/ S HOW] key to show t he r adar s oft keys.

2. Press the A:SIGNAL PROC. soft key.

3. Press the B:E . STR soft key to select HIGH, LOW or OFF as appropriate.

4. Press the E:RE TURN soft key to f inish.

The dis play shows ES H (High) or E S L (Low) when the ec ho s tretch is on.

"LOW" Echo stretch "HIGH" Echo stretch

Types of echo stretch

2-26

2.20 Echo Averaging

The echo average feature, which requires a Model 1800-BB/ 1900-BB series networ k r adar, effectivel y suppresses sea clutter. Echoes received from st able targets such as s hips appear on t he s c r een at almost the same position during every rot ation of the antenna. On the other h and, unstable ec hoes such as sea clutter appear at r andom positions.

To distinguish r eal target echoes f r om s ea c lutter, echo average performs scan-to-scan correlation. Correlation is made by s toring and averaging echo signals over successive picture frames. If an echo is s olid and stabl e, it is presented in its normal intensity. Sea clutter is averag ed over successive scans resulting in the reduced brilliance, making it easier to discriminate real targets from sea cl ut ter.

To properly use the echo average function, it is recomm ended to first suppress sea clutter with the A/C SEA control and then do the following:

1. If not displ ayed, press the [HIDE/SHO W] key to display the radar soft keys.

2. Press the A:SIGNAL PROC. soft key .

3. Press the B:E. AVG soft key to s elect desired echo averaging.

2. RADAR OPERATION

OFF: No averaging LOW: Helps distinguish target s from sea clutter and suppresses brilliance

of unstable ec hoes. MED: Disti nguishes small stationary target s s uc h as navigation b uoys. HIGH: Stably display s distant targets.

4. Press the E:RETURN soft key to finish.

The dis play shows EAV L, EAV M or EAV H when echo av er aging is on.

(a) Echo average OFF (b) Echo average LOW

Effec t of echo averaging

2-27

2. RADAR OPERATION

2.21 Outputting TLL Data

Target position data can be output to unit s of the netw or k and shown on their plotter s c reen with the TTL m ar k ( heading data.

1. Operate the tr ac k ball to plac e the cursor on the target whos e pos ition y ou wish to output.

2. If not dis played, press t he [HIDE/SHOW] key to display the radar soft keys.

3. Press the D:TARGET soft key.

3nm

12/

H-UP

319. 9

). This funct ion requires position and

°M

TARGET

TRAILA

TLL

OUTPUT

Requires ARP circuit board in Model 1800/1900-BB series NavNet radar. Not shown otherwise.

ACQC

TARGET INFO

RETURNE

359.9 ˚R

11.70

TARGET soft keys

4. Press the B:TLL OUTPUT soft key to output target posi tion data. The TLL mark appears on the pl otter screen at t he target’s position t he m om ent the B:TLL OUTPUT soft key was press ed. Further, that position is recorded as a waypoint on all NavNet units, under the youngest em pty w aypoint number on each NavNet unit.

5. Press the E:RETURN soft k ey to fi nish.

Note: T he s c r een of the T LL recipient may be t em por ar ily interrupted when

receiving TLL from another NavNet unit. Press any key to restore nor m al operation.

2-28

2.22 Guard Alarm

The guard al ar m allow s t he oper ator to set the desired range and bearing for a guard zone. When ships, i s lands, landmass es , etc. violate the guard zone, an audio alarm s ounds and the offending target blinks to call the operator’s attention.

CAUTION

• The alarm should not be relied upon as

the sole means for detecting possible collision situations.

• A/C SEA, A/C RAIN and GAIN controls should be properly adjusted to be sure the alarm system does not overlook target echoes.

2.22.1 Setting a guard alarm zone

2. RADAR OPERATION

To set a guard alarm zone, set the radar to transmit and do t he following:

1. Press the [ALARM ] key.

2. Use the trackball to set t he c ur s or on t he top left corner (or top ri ght corner) of the guard zone you want t o s et, then press the A:SET GUARD1 or C:SET GUARD2 sof t key, depending on whi ch guar d z one you want to set.

3. Use the t r ac k ball to set the cursor on the bott om r ight corner (or t op left

corner) of the guard z one ar ea, then push the [ENTER] knob.

4. Press the E:RET URN s oft key to finish.

3nm

12/

H-UP

MOVE +CURSOR TO ANOTHER CORNER OF GUARD1 AND PUSH KNOB TO SET.

319. 9

°M

ALARM

SET

GUARD1

SET

GUARD2

RETURNE

317.2 ˚R

11.60

3nm

12/

H-UP

NO ALARM

319. 9

ALARM

°M

GUARD 1

8.800

SET GUARD1

ERASE GUARD1

SET GUARD2

RETURNE

39.9 ˚R

(1) Drag cursor to top (or bottom) corner for guard zone and press the A:SET GUARD1 or C:SET GUARD2 soft key. The soft keys disappear and the instruction box appears at left-hand cursor.

(2) Drag cursor diagonally to bottom (or top) corner for guard zone and press the [ENTER] knob.

How to set a guar d alar m zone

2-29

2. RADAR OPERATION

The equipm ent then searches for targets inside the guard zone to determine guard alarm type. If a target is found inside the guard zone, the guard zone t ype becomes an “Outward guard alarm,” and any target exiting the guard zone will trigger t he audio alarm. If no target is found, t he guar d z one type becomes an “Inward guard alarm,” and any t ar gets entering the guard zone will trigger the audio alarm. The guard alarm type is shown as G 1( G2) IN or G1( G2) OUT.

Note 1: When the radar range is less than the guard zone range, G1 (G2) IN or

G1 (G2) OUT is changed to G1 (G2) ***.

Note 2: If the network radar is set to standby while the guar d alarm is act ive, the

guard alarm i s c anc elled. The guard alarm is redispl ayed when t he radar is set to transmit again.

2.22.2 When the alarm is violated…

Any radar target violating the guard zone will flash, the audio alarm sounds, and the alarm icon appears in red. Additionally the message “TARGET ENTERED INTO GUARD1(GUARD2)” or “TARGET LEFT FROM GUARD1(GUARD2)” is displayed at the bottom of the screen. Press the [CLEAR] key to silence t he alarm.

2.22.3 Canceling the guard alarm

1. Press the [ALA RM] key to show the ALARM menu.

2. Press the B:ERASE GUARD1 or D:ERASE GUARD2 soft key as appropriate.

3. Press the E: RE TURN soft key to finish.

2-30

2.23 Watchman

2.23.1 How watchman works

The watchman funct ion periodically t r ans m its radar pulses for one minute to check for targets in a guard zone. If a target is found in the zone, watchm an is cancelled, the audio alarm s ounds and the radar continues transmitt ing. If no target is found the radar goes into standby for the number of m inutes specified on the RADAR DI S P LAY SETUP menu. This featur e is useful when you do not need the radar’s functi on c ontinuously but want to be alerted to radar targets in a specific area. “WTCH” appears at the top left c or ner when Watchman is ac tive.

ST-BY

2. RADAR OPERATION

ST-BY

1 min

Watchman starts

5,10 or 20 min

* Beeps emitted just before radar transmits.

1 min

How watchman works

2.23.2 Turning on/off watchman

1. Set a guard z one. (See the paragraph 2.22.)

2. I f not displayed, press the [HIDE/SHOW] key to display the radar soft keys.

3. Press the C:NAV FUNC sof t k e y.

4. Press the A:W. MAN ON/ OFF sof t key to select ON or OF F as appropriate.

5. Press the E:RE TURN soft key to f inish.

Note: When the watchman is ac tivated and no guard zone is ac tive, the

message “PLEASE SET G UARD ZONE. PUSH ANY KEY TO CONTINUE.” appears. P r es s any key and then s et a guard zone.

2.23.3 Setting watchman stand-by interval

5,10 or 20 min

The watchman standby inter val , that is, the number of minutes the radar is in standby, can be set to 5, 10 or 20 minutes as follows:

1. Press the [MENU] k ey.

2. Press the A:RADAR DISPLAY SETUP sof t key.

3. Selec t WATCHMAN TIME, then press the A:EDIT soft key.

WATCHMAN TIME



5 minutes

¡

10 minutes

20 minutes

Watchm an window

4. Selec t time desi r ed, then press the C:E NTER soft key.

5. Press the [MENU] k ey to close the menu.

2-31

2. RADAR OPERATION

2.24 Suppressing Second-trace Echoes

In certain situations, echoes from very distance tar gets may appear as false echoes (second-trac e ec hoes ) on the screen. This occurs when the return echo is recei ved one trans m ission cycle later, or after a next radar pulse has been transmitted.

Tx repetition

Actual range

Second-trace echoes

To activate or deactivate the second-trac e ec ho r ejector do the follow ing:

1. Press the [MENU] key.

2. Press the A:RADAR DISPLAY SET UP soft key.

3. Use the trackball to sel ec t 2ND ECHO REJECTION, then press the A:EDIT soft key.

4. Choose ON or OFF as appr opr iate, then press the C:ENTER s oft key.

5. Press the [MENU] key to close the menu.

Second-trace echo

False echo range

2-32

2.25 Waypoint Marker

A way point marker, showing the location of the destination way point set on the plotter, may be inscribed on the radar display.

2. RADAR OPERATION

L 3nm

12/

Waypoint marker

319. 9

NAV FUNC

W. MAN

OFF

WPT MK

ON /

OFF

RETURNE

359.9 ˚R

11.70

Waypoint marker

1. If not already shown, press the [HIDE/SHOW] key to display the radar soft keys.

2. Press the C:NAV FUNC sof t k e y.

3. Press the B:WPT MK ON/OFF soft key to select ON or OFF as appropriate.

4. Press the E:RE TURN soft key to f inish.

2-33

2. RADAR OPERATION

2.26 ARP, TTM Operation

When the radar source is an ARP-equipped Model 1800/1900 series networ k radar, you can manually and aut om aticall y acquire and tr ac k t en targets. Once a target is acquired autom aticall y or manuall y it i s aut om aticall y tracked withi n 0.1 to 32 nm. If the FURUNO heading sensor PG-1000 i s us ed, the data sent enc e “RMC” is necessary.

Alternatively, you can display the tracks of other ships by receiving the data sentence TTM (Tracked Target Message) via the NETWORK or NMEA port on the processor uni t. However, targets c annot be acquired.

Note: When using your unit as a r em ote display, you cannot change the range of

the main radar at the remote display. In this cas e, to acquire a target, set the range indi vi dually.

Usage precautions for ARP

WARNING

No one navigational aid should be relied upon for the safety of vessel and crew. The navigator has the responsibility to check all aids available to confirm position. Electronic aids are not a substitute for basic navigational principles and common sense.

• This auto plotter automatically tracks an automatically or manually acquired radar target and calculates its course and speed, indicating them by a vector. Since the data generated by the auto plotter are based on what radar targets are selected, the radar must always be optimally tuned for use with the auto plotter, to ensure required targets will not be lost or unwanted targets such as sea returns and noise will not be acquired and tracked.

• A target does not always mean a land mass, reef, ships or other surface vessels but can imply returns from sea surface and clutter. As the level of clutter changes with environment, the operator should properly adjust the A/C SEA, A/C RAIN and GAIN controls to be sure target echoes are not eliminated from the radar screen.

CAUTION

The plotting accuracy and response of this auto plotter meets IMO standards. Tracking accuracy is affected by the following:

• Tracking accuracy is affected by course change. One to two minutes is required to restore vectors to full accuracy after an abrupt course change. (The actual amount depends on gyrocompass specifications.)

• The amount of tracking delay is inversely proportional to the relative speed of the target. Delay is on the order of 15-30 seconds for high relative speed; 30-60 seconds for low relative speed.

Display accuracy is affected by the following:

• Echo intensity

• Radar transmission pulsewidth

• Radar bearing error

• Gyrocompass error

• Course change (own ship or target)

2-34

2.26.1 Activating/deactivating ARP, TTM

1. Press the [MENU] key followed by the C:A RP SETUP soft key to show the ARP SETUP menu.

ARP TARGET INFO INTERNAL ARP

CANCEL ALL TARGETS NO

ARP VECTOR MODE TRUE

ARP VECTOR TIME 30 minutes

HISTORY INTERVAL OFF

CPA OFF

TCPA 30 seconds

AUTO ACQUISITION AREA OFF

TARGET ID NUMBER OFF

2. RADAR OPERATION

ARP SETUP

EDITA

RETURNE

ARP s etup menu

2. Select ARP TARGET INFO, then press the A:EDIT soft k ey to show the ARP target info window.

ARP TARGET INFO

▲

INTERNAL ARP

¡

EXTERNAL ARP

OFF

▼

ARP target info window

3. Select INTERNAL ARP, EXTERNAL ARP or OFF as appr opr iate. INTERNAL A RP: The radar source must be an A RP - equipped Model

1800/1900-BB series NavNet radar. Select this item also for a NavNet unit being fed ARP targets .

EXTERNAL ARP: Receive TTM data sentence via NMEA or NETWORK port. Target tracks are shown but targets cannot be acquired.

OFF: Turns off the A RP or TTM display.

4. Press the C:ENTER soft key.

5. Press the [MENU] key to close the menu.

2-35

2. RADAR OPERATION

2.26.2 Acquir i ng an d tr ac ki ng targets (AR P)

Ten targets may be ac quired and track ed m anually and automatically. When you attempt t o ac quire an 11th target, the message “ARP FULL – AL RE A DY TRACKI NG 10 TARGETS!” appears for five seconds. To acquire anot her target, terminat e tracking of an unnecessary tar get as shown in the paragraph “2. 26.4 Terminating tracking of ARP targets.”

Manual acquisition

When the auto m atic acquisition (AUTO ACQ. AREA) is s et to on, up to five targets may be acquired ma nually. If you attempt to acquire a sixth target, the alert mess age appears.

1. Press the [HIDE/SHOW] key to show the radar s oft keys.

2. Press the D:TARGET soft key.

3. Place the cursor on the target to acquire.

4. Press the C:ACQ soft key.

5. Press the E:RETURN soft key to finish. The plot symbol changes over time as below. A vector appears about one

minute after acquisition, indicat ing the target’s motion tr end.

Vector

01*

At acquisition 1 min. after

acquisition

* = Target number shown when TARGET ID NUMBER is turned on in the ARP SETUP menu.

Note: In case of the acquisition by an external ARP, the acquisition circle mark appears three minutes after acquisition.

01*

3 min. after acquisition

01*

Target Number

ARP plot symbols

Automat ic acquisiti on

The ARP can ac quire up to ten target s automatic ally by setting an automatic acquisition area. When aut omatic acquisition is sel ec ted after acquir ing targets manually, only the remaining capaci t y for targets may be automatic ally acquired. For example, if seven target s have been manually acquired, three targets may be automatically ac quired after swi tching to automatic acquisition.

1. Press the [MENU] key to show the main menu.

2. Press the C:ARP S E TUP soft key to show the ARP SE TUP menu.

3. Operate the trackball to select AUTO ACQUISITION AREA.

4. Press the A:E DIT soft key to show the automatic acquisit ion area window.

AUTO ACQ. AREA

ON OFF

2-36

Automat ic acquisition area window

5. Select O N, then press the C:ENTER soft k ey.

2. RADAR OPERATION

6. Press the [MENU] key to close the menu. An acquisition area of 2.0 to 2.5 miles in range and ±45º on either s ide of the heading line in beari ng appear s .

Note: Targets being tracked in automatic ac quisiti on ar e continuously

tracked when switching to manual acquisition.

Automatic acquisition area

45° port

2.0 - 2.5 nm

Automat ic acquis ition area

2.26.3 Displaying target number (ARP, TTM)

Target number can be shown for ARP and TT M targets as below.

3nm

12/

H-UP

ARP Target Number

45° starboard

°T

319. 9

TARGET

TRAILA

TLL OUTPUT

ACQC

TARGET INFO

ARP target number

1. Press the [MENU] key.

2. Press the C:ARP SETUP soft key.

3. Select TARGET ID NUMBER.

4. Press the A:EDIT soft key.

5. Select ON or OFF as appropri ate.

6. Press the C:ENTER soft key.

7. Press the [MENU] key to close the menu.

RETURNE

359.9 ˚R

11.70

2-37

2. RADAR OPERATION

2.26.4 Terminating tracking of ARP targets

When ten targets have been acquir ed, no more acquisi tion occurs unl ess targets are cancell ed. If you need to acquire addi tional targets, you must first cancel one or more indi vidual targets, or all targets, using one of the procedures below.

Terminatin g tracking of selected targets

1. Place the curs or on the target t o terminate tr ac king.

2. Press the [CLEA R] key to ter m inate tracki ng and er as e the target.

Terminatin g tracking of all targets

1. Press the [MENU] k ey followed by the C:ARP SETUP soft key.

2. Select CANCEL ALL TARGETS.

3. Press the A:EDIT soft key.

CANCEL ALL TARGETS

▲

▼

YES NO

Cancel all targets window

4. Select YES.

5. Press the C:ENTER soft key.

6. Press the E:RET URN soft key followed by the [MENU] key to close the menu.

2-38

2.26.5 Setting vector attributes (ARP)

What is a vecto r?

A vector is a line extending fr om a tracked target which shows estimated speed and course of the target. The vector ti p shows an estimated position of the target after the selected vector t ime elapses . It can be useful to extend t he vect or length (time) in order to eval uate the risk of c ollision with any target.

Vector

Vector reference, vector time

You may reference t he vect or s to North (True, requires heading and speed data) or ship’s heading (relati ve) as des ired. Vector time can be set to 30 sec onds , 1, 3, 6, 15 or 30 mi nutes.

1. Press the [MENU] key followed by the C:A RP SETUP soft key to show the ARP SETUP menu.

2. Operate the tr ac k ball to sel ec t A RP VECTOR MO DE .

3. Press the A:EDIT soft key to show the ARP vector mode window.

2. RADAR OPERATION

Vector

ARP VECTOR MODE

RELATIVE TRUE

ARP v ec tor mode window

4. Select TRUE or RELATI V E as appropr iate.

5. Press the C:ENTER soft key.

6. Select ARP VECT OR TIME, t hen pr es s the A : E DIT soft k ey to show the ARP vector time window.

ARP VECTOR TIME

▲

30 seconds

1 minute

¡

3 minutes

¡

6 minutes

¡

15 minutes

30 minutes

▼

ARP vector time w indow

7. Operate the trackball to select vector time among 30 sec, 1 min, 3 min, 6 min, 15 min and 30 min.

8. Press the C:ENTER soft key.

9. Press the [MENU] key to close the menu.

2-39

2. RADAR OPERATION

2.26.6 Displaying past position (ARP)

This ARP can display time-spaced dots (maximum ten dots) marking the past positi ons of any tar gets being tr ac k ed. You can evaluate a target’s acti ons by the spacing between dots. Below are examples of dot spaci ng and target movement.

(a) Ship turning

(b) Ship running straight

(d) Ship increased speed

Past position displays

To turn the past position display on or off:

1. Press the [MENU] key followed by the C:A RP SETUP soft key.

2. Operate the tr ac k ball to sel ec t HISTORY INTERVAL.

3. Press the A:EDIT soft key to show the history interval window.

HISTORY INTERVAL

▲

OFF

¡

30 seconds

¡

1 minute

¡

3 minutes

6 minutes

▼

History interval window

4. Operate the tr ac k ball to sel ec t history interval among 30 sec, 1 min, 3 mi n and 6 min, or select OFF to turn off the past position display.

5. Press the C:ENTER soft key.

6. Press the [ME NU] k ey to close the menu.

2-40

2.26.7 ARP, TTM target data

You can show mot ion trends (range, bearing, course, speed, CPA and T CPA) for ARP or TTM targets. Note that TARGET ID NUMBER, in the ARP SETUP menu, must be turned on t o display this data.

1. Place the curs or on the target whose data you want to see.

2. If not alr eady displayed, press the [HIDE/SHO W] key to show the r adar s oft keys.

3. Press the D:TARGET and D:TARGET INFO s oft key s . The data of the selected target appears at the bottom left-hand corner of the display. (I f an EBL/VRM data box is displayed the ARP (TTM) data box will be under it.)

4. Press the E:RETURN soft k ey to fi nish.

5. To erase ARP/ TTM target data, selec t the corresponding target with the cursor, then press the [CLEAR] key.

3nm

12/

H-UP

Cursor

319. 9

2. RADAR OPERATION

°T

TARGET

TRAILA

TLL

OUTPUT

ARP Target

ACQC

No.01 VECTOR TR UE 15min CSE 359.9˚T SPD 12.5kt CPA 2.21nm TCPA 12:35

TARGET

INFO

RETURNE

359.9 ˚R

11.70

CPA and TCPA Course and Speed Target No., Vector Reference (True), Vector Time

ARP target data

2-41

2. RADAR OPERATION

2.26.8 CPA/TCPA alarm (ARP)

When the predicted CPA of any target becomes smaller than a pr es et CPA alarm range or its predicted TCPA l es s t han a pr es et TCPA alarm lim it, an audio alarm sounds and the speaker i c on appear s ( in red). I n addition, t he target plot s ymbol of the of fending target changes to a tri angle and flashes t ogether wi th its vect or. You may silence the audio alar m with the [CLEAR] key. Press t he [ALARM] key and the message “COLLISION A LA RM” appears. Pres s the C:CLEAR ALARM soft k ey to acknowledge the alar m . The f lashing of the triangle pl ot symbol continues unt il you intentional ly terminate tracking of the tar get. T he ARP continuously monit or s t he pr edicted range at the Closest Point of Approach (CPA) and predicted time t o CPA (TCPA) of each track t o own ship.

This feature helps alert you to targets which may be on a collision course with own ship. However, it is important that gain, A/C SEA, A/C RAIN and other radar controls ar e proper ly adjusted and the ARP is s et up so that it c an t r ac k targets effectively.

CPA/TCPA alarm ranges m us t be set up properly taki ng into consideration the size, t onnage, speed, turning performance and other characteristi c s of own shi p.

CAUTION

The CPA/TCPA alarm should never be relied upon as the sole means for detecting the risk of collision. The navigator is not relieved of the responsibility to keep visual lookout for avoiding collisions, whether or not the radar or other plotting aid is in use.

Follow the steps shown below t o s et the CPA/TCPA alarm range:

1. Press the [MENU] key followed by the C:A RP SETUP soft key.

2. Operate the tr ac k ball to sel ec t CPA.

3. Press the A:EDIT soft key to show the CPA window.

CPA

▲

OFF

0.5nm

¡

1nm

¡

2nm

¡

3nm

¡

5nm

6nm

▼

CPA window

2-42

4. Select a CPA limit des ired from 0.5 nm, 1 nm, 2 nm, 3 nm, 5 nm and 6 nm with the trackball.

5. Press the C:ENTER soft key. The ARP SETUP menu reappears.

6. Operate the tr ac k ball to sel ec t TCPA.

7. Press the A:EDIT soft key to show the T CPA window.

8. Select a TCPA limit from 30 s ec , 1 min, 2 mi n, 3 min, 4 mi n, 5 min, 6 min and 12 min.

9. Press the C:ENTER soft key.

10. Press the [MENU] k ey to close the menu.

2.26.9 Lost target alarm (ARP)

TCPA

▲

30 seconds

1 minute

¡

2 minutes

¡

3 minutes

¡

4 minutes

¡

5 minutes

¡

6 minutes

12 minutes

▼

TCPA window

2. RADAR OPERATION

When the system detects a lost target, the target symbol becomes a di am ond and tracking is discontinued after one m inute.

Lost tar get mark

Canceling a lost target

1. Place the curs or on the target.

2. Press the [CLEA R] key.

2-43

2. RADAR OPERATION

)

2.27 Interpreting the Radar Display

2.27.1 General

Minimum and maximum ranges

Minimum range

The mi nimum range is defined by the shortest distance at which, usi ng a s cale of

1.5 or 0.75 nm, a target having an echoi ng ar ea of 10 m

is still shown separate from the poi nt representing the antenna position. It is mainly dependent on the pulselengt h, antenna height, and s ignal processi ng s uc h as m ain bang suppression and digital quantization. It is best to use t he s hor test possibl e r ange as long as the clarity and definit ion of the picture remain good.

Maximum r ange

The maximum detecti ng range of the radar, Rmax, vari es c ons iderably depending on several factors such as the hei ght of the antenna above the water line, the height of the target above the sea, the size, shape and material of the target, and atmospheri c conditions.

Under normal atmos pher ic conditions, the maxi m um r ange is equal to the radar horizon or a l ittle shorter. T he r adar hor izon is longer than the optical one by about 6% because of the diffrac tion property of the radar signal. Rmax is given in the following equation.

= 2.2 x (h1 + h2

where Rmax: radar horizon (nautical miles) h1: antenna height (m) h2: target height (m)

Radar horizon

Optical horizon

Radar horizon

For example, if the height of the antenna above the waterli ne is 9 meters and the height of t he target is 16 m eters, the maxi m um r adar r ange is;

= 2.2 x (9 + 16 ) = 2.2 x (3 + 4) = 15.4 nm

It should be noted that the detection range i s r educed by precipi tation (which absorbs the radar signal).

2-44

2. RADAR OPERATION

Radar resolution

There are t wo important fact or s in radar resolution (discrimination) : bearing resolution and range resoluti on.

Bearing resolut ion

Bearing resolution is the ability of the radar to display the echoes received fr om two targets, which are at the same range and close together, as separate targets. Bearing resolution is directly proportional to the antenna length, and inversely proportional to the radar's wavelength.

Range resolution

Range resolution is the ability to display the echoes received from two targets, whi c h ar e on the same bearing and clos e to each other, as sep ar at e targets.

Bearing accuracy

One of the most import ant features of the r adar is how acc ur ately the bear ing of a target c an be m eas ured. The ac cur ac y of bearing meas ur em ent basically depends on the narrowness of the radar beam. However, the bearing is usually taken relative to the ship’s heading, and thus, proper adjust m ent of the heading marker at ins tallation is an important factor in ensuring bearing accuracy. To minimize error w hen m eas ur ing the bearing of a target, select a range which w ill put the t ar get as far out to t he edge of the radar screen as possible.

Range measurement

Measurement of the range to a target is also a very import ant function of the radar. There are three means of m eas uring range: the fixed range rings, the trackball and the variable range mar k er ( V RM). The fixed range r ings appear on the screen with a predeter mined interval and provi de a r ough es timate of t he range to a tar get. T he trackball is rolled to place the cursor on the leading edge of the t ar get. Range and bearing to t he target is s hown at the bottom right-hand corner of the display. The vari able range marker’s diameter is increased or decreased so that t he m ar k er touches the inner edge of the target, allow ing the operator to obtain more accurat e r ange m eas ur em ents.

2-45

2. RADAR OPERATION

2.27.2 False echoes

Occasionally echo s ignals appear on the scr een at positions where there is no target or disappear even if there are targets. False target sit uations may be recognized, however , if you under s tand why they are displayed. Typical false echoes are shown below.

Multiple echoes

Mult iple echoes occur when a transmitted pulse returns from a sol id object l ike a large ship, bridge, or breakwater. A second, a third or more echoes may be observed on the display at double, t r iple or other multiples of the actual range of the target as shown below. Multiple reflection echoes can be reduced and of ten removed by decreasing the gain (sensitivity) or properly adjusting the [A/C SEA] control.

True echo

Target

Own ship

Multiple echo

Multi ple ec hoes

Sidelobe echoes

Every ti me the radar pulse is transmitt ed, some radiation escapes on each side of the beam. This s tray RF i s c alled a “sidelobe.” If a target exists where it can be detected by the sidelobes as well as the main lobe, the side echoes may be represented on both sides of the true echo at the same range. Sidelobes show usually only on shor t ranges and from strong targets. T hey can be reduced through careful reduction of the gain or proper adjustment of the [A/ C SEA] control.

Target A

Target B (Spurious)

Target B (True)

2-46

Sidelobe echoes

2. RADAR OPERATION

;

Virtual image A relativel y large target close t o your ship may show at two posi tions on the

screen. One of t hem is the true echo directly reflected by the tar get and the other is a fal s e ec ho which is caused by the m irror eff ec t of a large objec t on or close to your ship as shown in the figure below. If your s hip comes close t o a large metal br idge, for exampl e, such a false echo m ay temporari ly be seen on the screen.

Target ship

Own ship

True

echo

Mirror image of target ship

False echo

Virtual image

Shadow sectors

Funnels, stacks, masts, or derricks in the path of t he ant enna block the radar beam. If the angle subtended at the antenna is more t han a f ew degrees, a non-detecti ng s ector or blind spot may be produced. Withi n this sector, targets can not be detected.

Radar antenna

Radar mast

Shadow sector

Shadow sector s

2-47

2. RADAR OPERATION

2.27.3 SART (Search and Rescue Transponder)

A Search and Rescue Transponder (SART) may be triggered by any X-Band (3 cm) radar within a r ange of appr ox imately 8 nm. Each radar pul s e r ec eived causes it to transmit a r es pons e which is swept r epetitively across the com plete radar frequency band. When interrogated, it first sweeps rapidly (0. 4 µs) through the band before beginning a relati vel y slow sweep (7.5 µs) through the band back to the starting f r equency. This proces s is repeated for a t otal of twelve complete cycles. At some point in eac h s weep, the SART frequency will match that of the interrogati ng r adar and be within the pass band of the radar receiver. If t he S A RT is within range, t he frequency matc h dur ing each of the 12 sl ow sweeps will produce a response on the radar display, thus a li ne of 12 dots equally spaced by about 0.64 nautical miles will be shown.

When the range to the SART is reduced t o about 1 nm, the radar di s play may show also the 12 responses generat ed during the fast sweeps. These additional dot responses, which also are equally spaced by 0.64 nm, will be interspersed with the original line of 12 dots. They will appear sli ghtly weaker and smaller than the original dots .

Position of SART

Screen A: When SART is distant

Echo from SART

24 NM

Own ship position

9500 MHz

9200 MHz

Radar antenna beamwidth

SART mark length

Sweep time

7.5 µs 95 µs

Screen B: When SART is close

Lines of 12 dots are displayed in concentric arcs.

1.5 NM

Own ship position

Radar receiver bandwidth

Echo from SART

Position of SART

2-48

Low speed sweep signal

Sweep start

High speed sweep signal

Appearance of SART signal on the radar display

2. RADAR OPERATION

General procedure for detecting SART response

1. Use the range scale of 6 or 12 nm as the spac ing between the SART responses is about 0.6 nm (1125 m) to distinguis h the SART.

2. Turn off the automatic c lutter suppression (if appl icable).

3. Turn off the Interf er enc e Rejector.

General remarks on receiving SART

SART range errors

When responses from only t he 12 low fr equenc y sweeps are visible (when the SART is at a r ange gr eater than about 1 nm), t he pos ition at which the first dot is displayed may be as much as 0.64 nm beyond the true pos ition of t he S A RT. When the range closes so that the fast sw eep r es pons es are s een also, the first of these will be no more than 150 meters beyond t he true positi on.

Radar bandwidth

This is normall y matched to t he radar pulselength and i s us ually switched wit h the range scale and the associated pul s elength. Narrow bandwidths of 3- 5 MHz are used with long puls es on long range and wide bandwidths of 10-25 MHz wi th short pulses on shor t ranges.

Any radar bandwidth of less than 5 MHz will attenuate the SART signal slightly, so it i s pr ef er able to use a medium bandwidth to ensure opti m um detection of the SART.

Radar sidelobes

As the SAR T is approached, sidel obes from the radar antenna may show t he SART responses as a ser ies of arcs or concentric rings . These c an be r em oved by the use of t he [A/C SEA] control although it may be operationall y useful to observe the sidelobes as they may be eas ier to detect in clutter c onditions and also they will confirm that the SART is near to the ship.

Gain

For maximum r ange S A RT detection the norm al gain setting for long range detection s hould be used, that is, with background nois e s peck le visible.

2-49

2. RADAR OPERATION

A/C SEA control

For optim um r ange S A RT detection, t his control s hould be set to the minimum. Care should be exercised as wanted target in sea clutter may be obscured. Note also that in clutter c onditions the first few dots of the SART response may not be detectable, irrespec tive of the setting of the anti - c lutter sea cont r ol. In t his case, the position of the SAR T may be estimated by measuring 9. 5 nm from the furthest dot back tow ar ds own ship.

Some sets have automatic/manual anti-clut ter sea control facilities in which case the operator should swi tch to manual.

A/C RAIN cont r ol

This s hould be used normall y (to break up areas of r ain) when t r ying to detec t a SART response which, bei ng a s er ies of dots , is not affected by the action of t he anti-clutter rain c ircuitry. Note that racon responses, which are often in the form of a long flash, will be affected by the use of this control.

Some sets have automatic/manual anti-clut ter rain control facilities in which case the operator should swi tch to manual.

Note: T his SART information is ex c er pted from IMO SN/Ci rc 197 Operation of

Marine Radar for SART Detection.

2.27.4 Racon (Radar Beacon)

A racon is a radar t r ans ponder which emits a charac teristi c s ignal w hen triggered by a ship’s radar (usually only the 3 centim eter band). The signal may be emitt ed on the same frequency as that of the triggering r adar, in which case it is superimposed on t he ship's radar dis play automat ically.

The racon signal appears on the PP I as a radial line ori ginating at a point just beyond the position of the r adar beac on or as a Morse code signal (see figure below ) displayed r adially from just beyond the beacon.

Racon

2-50

Appearance of racon signal on the radar display

3. PLOTTER OPERATION

3.1 Plotter Displays

You may show the plotter display over the entire screen, in the overlay s c r een wi th the radar display, or in a combinati on s c r een.

3.1.1 Full-screen plotter display

Nav data window (Data changes with NAV soft key setting and cursor status. For details see next page.)

Scale

Icon (from left) North Marker Chart Alarm Track Hold Chart Offset Save L/L Offset Battery Simulation (See icon table on page A-12 for details.)

34° 22. 3456'N 359.9°M 080° 22. 3456'E

16.0nm

002WPT

Waypoint name

Waypoint marker

Full-screen plotter display

FISH

Course bar

TRIP

19.9 kt 99.9 nm

BRIDGE

Own ship marker

Track

MARK

ENTRY

MODE

NTH UP

NAV

POS

D. BOX

/ OFF

Soft keys

Note: When GPS signal error is found, the f ollow ing occurs depending on t he

device feeding position data:

GPS Receiver GP - 310B/320B: Alarm icon (

) appears and the aural alarm sounds. O wn ship marker blinks faster. Other navigator: The mes s age “ NO GPS FIX” appears and i s accompani ed by the aural alarm and alarm ic on. If the GPS signal is missi ng for more than 90 seconds, the message “NO POS ITION DATA” appears.

3-1

3. PLOTTER OPERATION

Nav data window

The data shown in the nav data window depends on the status of the C: NAV soft key and the cursor.

Latitude and longitude of cursor intersection

Waypoint data (waypoint selected with cursor)

Latitude, Longitude

34°24. 3456'N 359. 9°M

124°24. 3456'W 59.9nm 99. 9nm

Cursor Mark

001WPT

Bearing to Cursor

TRIP

Range to Cursor

Trip Distance

CourseBearing to WaypointWaypoint Name

359. 9°M359. 9°M

19. 9nm 19. 9kt 99. 9nm

SpeedRange to WaypointWaypoint Mark Trip Distance

TRIP

Presentation Mode

Own ship position

Destination waypoint data

Own ship speed and course

NAV POS

soft key

NAV WPT

soft key

NAV S/C

soft key

CourseLatitude, Longitude

34°24. 3456'N 359. 9°M

TRIP

124°24. 3456'W 19. 9kt 99. 9nm

Own Ship Mark Speed

Bearing to WaypointWaypoint Name

001WPT

Waypoint Mark

Course, Speed

CSE

359. 9°M 359. 9 °M 79. 9°F NU

SOG

19. 9kt 99. 9nm 345 ft

Range to Waypoint

Bearing to Waypoint

BRG RNG

359. 9°M

19. 9nm

TTG

4D02H23M NU

ETA

1st 13:45

Estimated Time of Arrival

TMP DPT

Trip Distance

Time-to-Go to Destination

Presentation Mode

3-2

Turns off nav data window

NAV OFF

soft key

Range to Waypoint

Water Temp.*, Depth*

Contents of nav data window

* Requires appropriate sensor.

3.1.2 Compass display

The compass display, shown in combi nation displ ays, provides st eer ing informat ion. The compass rose s hows two triangles: the red triangle shows own ship’s c our se and the black triangle, which moves w ith ship’ s c our s e, shows t he bearing to dest ination waypoint .

The water temperat ur e and depth graphs, w hich require appropriate sensors, show t he latest 10 mi nutes of water temperature and dept h data. The range of the depth graph is 50 feet and it i s aut om aticall y adjusted with depth.

3. PLOTTER OPERATION

Time-to-go to destination

Destination waypoint bearing (black)

Depth graph*

* = Requires appropriate sensor.

Destination waypoint

003WPT

0D 9H 59MTTG 23th23:59

DPT

24.8ft

Shown (in red) when direction to steer is "left."

Speed over ground

Range to destination waypoint

RNG

10.0

SOG

BRG

359.9°

CSE

359.9°M

Speed through water

99.9

ETA

STW

TMP

16.2°F

10.0

Direction to steer (green)

Estimated time of arrival at destination

Ship's course (red)

Water temperature graph*

Bearing scale

Own ship marker (Black when within XTE range, yellow when over.)

XTE monitor (See next page for description.)

Compass display

3-3

3. PLOTTER OPERATION

Reading t he XTE (cross-track error) monitor

The XTE m onitor , located below the compass rose, s hows the distance you are off cour s e and the directi on t o s teer to return to course. The own ship mark er moves accor ding to direction and distance off course. It is shown in black when the amount of cross-track er r or is withi n the XTE monitor range and yellow when it is over. An arrow appears at t he r ight or left side of the XTE monitor and it shows the direction to s teer to return to intended course. It is shown in red when you should s teer left, and green when you should steer right. I n the example on the previous page you would steer right to return to course. To maintain course, steer the vessel so the own ship marker st ays at the center of the XTE monitor.

Soft keys

You can show the soft k ey s for the compass display by pres s ing the [HIDE/SHOW] key.

E:COMPSS CNTRL: On the radar/plotter/compass c om bination dis play you can switch control to the compass display by pressing the E:CNTRL soft key to select COMPSS. EDIT XT-LMT*: Sets the range f or XTE monitor scale. See the proc edure below for how to set. A:RESET XTE: This soft key may be operated to restart navigation, when a destination is set. Press the C:EDIT XT-LMT soft key followed by the A:RESET XTE soft k ey. The following m es s age is displayed.

RESTART NAVGATION TO CURRENT WPT. ARE YOU SURE? YES ... PUSH ENTER KNOB NO ... PUSH CLEAR KEY

*: The label ing of this s oft k ey c hanges with screen combination.

Setting the range for the XTE monitor

1. With the compass ( or highw ay ) display shown, press the EDIT XT-LMT soft key to display the following window.

XTE LIMIT

0 .1nm

XTE range setting window

3-4

2. Use the trackball to selec t digit to change. Note that all digits may be cleared by pressing the [CLEAR] key.

3. Enter value with the al phanum er ic keys.

4. Push the [ENTER] knob to set, or press the E:CANCEL soft key to cancel.

3.1.3 Highway display

The highway display, shown in combination displays, provides a graphic presentation of ship’s track along intended course. It is useful for monitoring ship’s progress toward a waypoint. The own ship marker shows the relation between ship and intended course. The XTE monitor shows the direction and amount your vessel is off course – the arrow shows the direction to steer to return to your course and the numeric the distance you are off course. Using the figure below as an example, you would steer right 0.009 nm to return to course. To maintain course, steer the vessel so the own ship marker stays aligned with the intended course line.

Destination waypoint

WPT001

Time-to-go to destination

0D 9H 59MTTG 23th23:59ETA

Range to destination waypoint

RNG 99.9 nm

10.0

SOG

WPT001

kt 10.0 ktSTW

3. PLOTTER OPERATION

Speed over ground, speed through water

Estimated time of arrival at destination

Destination waypoint

Soft keys

You can show the soft keys for the highway display by pressing the [HIDE/SHOW] key.

E:HIWAY CNTRL: On the radar/plotter/compass combination display you can

switch control to the highway display by pressing the E:CNTRL soft key to show

HIWAY. C:EDIT XT-LMT: Sets the range for XTE monitor scale. See the procedure on

the previous page for how to set.

A:RESET XTE: This soft key may be operated to restart navigation, when a

destination is set. Press the C:EDIT XT-LMT soft key followed by the A:RESET XTE soft key. See the previous page for details.

0.9 nm

Shown (in red) when direction to steer is "left."

0.009nm

Direction to steer (green)

XTE monitor

Highway display

0.9 nm

Intended course

Own ship marker

XTE range

3-5

3. PLOTTER OPERATION

3.1.4 Nav data display

The nav data display provides comprehensive navigation data, and it is shown in a three-screen combination display. The user may select what data to display and where to display it. For details see the paragraph “5.8 Nav Data Display Setup.”

Appropriate sensors are required. Bars ( - -) appear when corresponding sensor is not connected.

Position

POSITION

34° 34. 5678' N

120° 34. 5678'

34° 14. 5678' N

120° 14. 5678'

10.0

9.2°

1324.1

Depth

Bearing to Waypoint

Speed through water

Waypoint Position

Water temperature

Nav data di s play s

SOGWPT POSITION

10.0

COURSESTW

101.6°

RANGEBEARING

0.18

TEMPDEPTH

18.2 °

Range to waypoint

Course

Speed over ground

3-6

3.2 Presentation Mode

Three types of presentation modes are provided for the plotter display: north-up, course-up and auto course-up. To change the presentation mode, press the [HIDE/SHOW] key followed by the B:MODE soft key. Each press of the key changes the presentation mode and presentation mode indication (top right-hand corner of the screen) cyclically in the sequence of North-up, Course-up and Auto course-up.

3.2.1 North-up

North (zero degree) is at the top of the display and own ship is shown with a filled circle. This mode is useful for long-range navigation.

3. PLOTTER OPERATION

34° 22. 3456’N 359.9° 080° 22. 3456’E

19.9 kt 99.9 nm

16.0nm

WP-002

FISH

BRIDGE

Plotter di s play, north-up m ode

TRIP

MARK

ENTRY

MODE

NTH UP

NAV

POS

D.BO X

ON / OFF

3-7

3. PLOTTER OPERATION

3.2.2 Course-up

The course- up mode is useful f or m onitoring ship’s progress t owards a waypoint . The destination is at the top of the sc r een when a destination is set. When no destination is set, the course or heading is at the top of the sc r een at the moment the course- up m ode is selected. A filled triangle marks own ship’s position.

Note: T he data sentences GGA and VTG mus t be output from t he NavNet unit

connected to the GPS navigator in order to correctly orient t he own ship marker in the c our s e- up m ode on other NavNet units .

16.0nm

Plotter di s play, course-up m ode, destination set

3.2.3 Auto course-up

The course is at the top of s cr een at the moment the aut o c our s e- up mode is selected. In this m ode, the current course is kept at the top of the screen when the change is within 22.5 degrees. For ex ample, if your vessel turns m or e than

22.5 degrees to port or s tarboard, the chart display will rotate so that your course

is point ing towar ds the top of the screen again. A filled triangle marks own ship’s position.

34° 22. 3456'N 272.4°M 080° 22. 3456'E

15.9 nm 99.9 nm

WPT 001

TRIP

MARK ENTRY

MODE

CSE UP

CENTERC

GO TO CURSOR

D.BOX

ON /OFF

3-8

34° 22. 3456'N 272.4°M

080° 22. 3456'E

16.0nm

15.9 nm 99.9 nm

TRIP

MARK

ENTRY

MODE

AT CU

CENTERC

GO TO

CURSOR

D.BO X

ON / OFF

Plotter di s play, auto course-up m ode

3.3 Shifting the Display

The plotter display can be s hifted as below.

1. Use the trackball to locate the cursor at a sc r een edge. The screen shifts in the direct ion opposite of c urs or location.

2. To turn off the cursor, press the C:CENTER soft key. This also returns the own ship marker to the sc reen c enter.

3.4 Chart Scale

Chart scale ( range) may be selected with the [RANGE -] or [RANGE +] key. The [-] key shrinks the chart r ange ( image is exp anded); the [+] key expands the chart range ( image is shrunk). The available ranges ar e as below.

3. PLOTTER OPERATION

Charts scales

nm 0.125 0.25 0.5 1 2 4 8 16 32 64 128 256 512 1024 2048 km 0.23 0.46 0.93 1.85 3.70 7.41 14.8 29.6 59.3 119 237 474 948 1896 3742 sm 0.144 0.29 0.58 1.15 2.30 4.60 9.21 18.4 36.8 73.7 147 295 589 1178 2356

Note: When the display is expanded or shrunk beyond the range of the char t

card in use the m es sage “NO CHART” appears, along with the appropri ate chart icon. See the illus t r ation on the next page for details.

3-9

3. PLOTTER OPERATION

3.5 Chart Cards

3.5.1 Chart card overview

Your system r eads FURUNO and NavCharts™ (NAVIONICS) charts, or C-MA P charts, depending on the type of processor uni t you have.

When you insert a suitable chart c ar d in the slot and own ship is near any cartographic object, a chart appear s . If a wrong card is inserted or a wrong chart scale is s elected, landmas s es will appear hollow. Chart ic ons appear at the top of the display to hel p you select a s uitable c har t scale. The table below s hows the chart i c ons and their meanings.

Chart icons and their meanings

Icon Meaning

Proper card is not inserted or chart scale is too small. Operate the RANGE key to adjust chart scale.

Chart scale is too large. Operate the RANGE key to adjust chart scale.

Suitable chart scale is selected.

3-10

3.5.2 Indices and chart enlargement

When the [RANGE] key is operated, you will see several frames appear on the chart. These frames are called indices and they show you what parts of the chart can be enlarged in the current range.

Sample chart ( Japan) , showing i ndices

3. PLOTTER OPERATION

When a chart cannot be displayed

A chart will not be displayed in the following conditions:

• When the chart scale is too large or too small.

• When scrolling the chart outside the indices.

When this happens, select proper chart scale.

Note: Indices can be turned on or off. For further details see “Chart border line”

on page 5-14 for FURUNO and NAVIONICS charts and page 5-16 for C-MAP charts.

3-1 1

3. PLOTTER OPERATION

3.5.3 FURUNO and NavCharts

Chart symbol s

™ charts

The table below shows FURUNO and NavCharts meanings.

Chart sym bols

Symbol Description

Summit

Wreck

Lighthouse

Lighted Buoy

Buoy

Radio Station

Symbol Description

Data for aids to navigation

™ chart symbols and their

Position of Sounding

Obstruction

Fishing Reef

Platform

Anchorage

Selected FURUNO and NavCharts

™ charts can show buoy and lighthouse data.

Simply place the cursor on the lighthouse or buoy mark.

Place the cursor on a lighthouse or buoy mark.

Lighthouse mark

Example of data displayed

Range and bearing from own ship

Period (ex.: 6 seconds)

Visibility in nautical mile (ex.: 12 miles)

NAVAID: /FL 6S 12M FROM OS 52.38nm 48.0°

FL : Flashing F : Fixed light F FL : Fixed and Flashing light MO : Morse code light Oc : Occulting light

3-12

Exam ple of buoy, light house data

3. PLOTTER OPERATION

Port service icons

Selected NavCharts show s ervi c es avai lable at ports, w ith icons.

1. Use the t r ac k ball to plac e the cursor on the sai lboat icon (denotes a por t or

harbor) desired.

2. Push the [ENTER] k nob.

3. Roll the trackbal l horizontally to select i c on des ired at the top of the display.

The servic es avai lable appear direc tly bel ow the icon selected.

4. Press the E:RET URN s oft key to finish.

Detailed information of service selected

List of services at the port selected

34° 22. 3456'N 359.9°M TRIP NU 080° 22. 3456'E

FIRST AID

19.9 kt 99.9 nm

16.0nm

CANCEL

Sailboat icon (Port)

Plotter di s play , s howing port serv ice display

Current (or tide) data

Some NavCharts provide for calculation of the current (or tide) data for any date. Additi onally it displays the ti m e of sunrise and sunset, moon shape (on c ur r ent data).

1. Use the t r ac k ball to plac e the cursor on

a current ic on (

2. Press the [ENTER] knob to show the

current window.

3. Press the A : DATE soft key, and then

enter the date desired.

4. Press the C:ENTER soft key.

Emergency medical service

Water supply station

Customer service station

Port

34 24. 3456 N 359.9 NU

124 24. 3456 W 59.9kt 024nm

Time: 04:35 Speed (KT): 0.45ft Angle ( ): 142 21/08/02 +00

Max. Time Speed Aug. Slack

KT AT Flood 4:58 1.2 323 7:58 Ebb 23:15 1.2 323 20:15 Flood 17:15 1.1 145 15:15 Ebb 23:15 1.2 323 20:15

Moonphase: FULLY IN 1 DAY Sunrise: 05:03 Moonrise: 14:06 Sunset: 19:10 Moonset: 02:15

Fueling station

Traveler's service station

Marine equipment service

Information center

0.86

0.74

0.61

0.48

0.35 0481216 20 24

Current

DATEA

RETURNE

Current dat a display

3-13

3. PLOTTER OPERATION

3.5.4 C-MAP charts

Cursor and data display

Besides i ts fundamental functions of providing pos ition data, the cursor can also show information about caution area, depth area, source of data, etc. on C-MAP charts. In addit ion, you can display information about an icon by placing the cursor on it .

1. Move the trackball to turn the cursor on.

2. Use the trackball to place the cursor on the posi tion desired.

3. Push the [ENTER] knob to open the Object s window.

Objects Spot Sounding

Depth area Exclusive economic zone Military practice area Restricted area Source of data

Objects window

4. Use the trackball to selec t the item desired.

5. Push the [ENTER] knob to di s play details for object selected.

Depth area

Depth range value1

0.00 Meters

Depth range value2

1829.00 Meters

Exam ple of caution area w indow

6. Press the E:CA NCE L soft key to c lose the w indow.

7. Press the E:CANCEL soft key to fi ni sh.

3-14

3. PLOTTER OPERATION

Icon data

You may place the cursor on any icon to find information about the selected icon.

1. For example, place the cursor on a lighthouse icon.

Place the cursor on a lighthouse icon.

34° 22. 3456'N 359.9°M

080° 22. 3456'E

16.0nm

19.9 kt 99.9 nm

TRIP

MARK

ENTRY

MODE

NTH UP

CENTERC

GO TO

CURSOR

D. BOX

OFF

Lighthouse icon

2. Push the [ENTER] knob to show data. For example, the following window appears for a lighthouse.

Objects Lighthouse

Tower

Light Underwater Rock Depth contour Depth contour Depth area Source of data

Object windows

3. Use the trackball to select the item desired.

4. Push the [ENTER] knob to display detailed information.

3-15

3. PLOTTER OPERATION

5. If necessary, move the trackball downward or upward to scroll the window.

6. Press the E:CANCEL soft key twice to finish.

Tide information

Navigation mark, fixed Light.

Color white Height

7. 00 Meters Light characteristic occulting XXXXXXXX XXXXXXXX

Sample lighthouse data

The C-MAP NT chart card provides for calculation of the tide heights for any date. Additionally it displays the times of sunrise and sunset.

1. Use the trackball to place the cursor on a Tide icon (

2. Push the [ENTER] knob to open the Objects window.

34 24. 3456 N 359.9 NU

OBJECTS

124 24. 3456 W 59.9 024nm

Tide height

Cartographic area Source of data

ENTERC

RETURNE

3-16

Objects window

3. Use the trackball to select T ide height.

4. Push the [ENTER] knob to open the TIDE window.

Furuno 1823C-BB, 1833C-BB, 1933C-BB, 1943C-BB, 1953C-BB Operator's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SAFETY INSTRUCTIONS

TABLE OF CONTENTS

FOREWORD

SYSTEM CONFIGURATIONS

1. OPERATIONAL OVERVIEW

1.1 Operating Controls

1.2 Inserting a Chart Card

1.4 Adjusting Hue, Panel Illumination

1.5 Selecting a Display

1.6 Trackball, Cursor

1.7 Entering the MOB Mark, Setting MOB as Destination

1.8 Data Boxes

1.9 Function Keys

1.10 Simulation Display

2. RADAR OPERATION

2.1 Radar Display

2.2 Transmitting, Stand-by

2.3 Tuning

2.4 Adjusting the Gain

2.5 Reducing Sea Clutter

2.6 Reducing Precipitation Clutter

2.7 Range Scale

2.8 Pulselength

2.9 Presentation Mode

2.10 Measuring the Range

2.11 Measuring the Bearing

2.12 Erasing the Heading Line, North Marker

2.13 Reducing Noise Interference

2.14 Rejecting Radar Interference

2.15 Zoom

2.16 Shifting the Picture

2.17 Using the Offset EBL

2.18 Echo Trails

2.19 Echo Stretch

2.20 Echo Averaging

2.21 Outputting TLL Data

2.22 Guard Alarm

2.23 Watchman

2.24 Suppressing Second-trace Echoes

2.25 Waypoint Marker

2.26 ARP, TTM Operation

2.27 Interpreting the Radar Display

3. PLOTTER OPERATION

3.1 Plotter Displays

3.2 Presentation Mode

3.3 Shifting the Display

3.4 Chart Scale

3.5 Chart Cards