Furuno FAR-2238S-NXT-BB - RF Unit RTR-108

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APPX. 7 PARTS LOCATION

AP-54

RF Unit RTR-108 (FAR-2328W)

RF coverRF cover

Magentron

MG5436

Magentron

MG5436

RTR-108 - Case cover removed

RTR-108 - RF Unit removed from case (top view)

Remove the RF

cover to show

the magnetron.

RF TB board

03P9570

(inside case)

RF TB board

03P9570

(inside case)

Remove the fan and cover to

show RF PWR board 03P9537B.

FanFan

CoverCover

Remove covers

to show SPU

board 03P9561

Remove covers

to show SPU

board 03P9561

SPU board

03P9561

SPU board

03P9561

Magnetron

fan

Magnetron

fan

RTR-108 - RF Unit removed from case (bottom view)

Remove the SPU board to show:

MD board 03P9565B

IF board 03P9568A

MMIC board 03P9567

Pulse Transformer 03TF00073

Main Page

IMPORTANT NOTICES3
SAFETY INSTRUCTIONS4
TABLE OF CONTENTS7
FOREWORD14
SYSTEM CONFIGURATION19
1. OPERATIONAL OVERVIEW27
- 1.1 Controls Overview27
  - 1.1.1 Control Unit RCU-01427
  - 1.1.2 Control Unit RCU-015/RCU-01629
- 1.2 How to Turn the Radar On/Off30
- 1.3 How to Adjust the Brilliance30
- 1.4 Display Indications31
  - 1.4.1 InstantAccess bar™ buttons32
  - 1.4.2 Radar display and shortcuts33
  - 1.4.3 Information and settings35
- 1.5 Menu Operations36
  - 1.5.1 How to open and close the main menu36
  - 1.5.2 How to operate the menus36
- 1.6 How to Use the On-screen Box Menus38
- 1.7 How to Use the CURSOR Menu39
- 1.8 Cursor Data40
  - 1.8.1 How to change the cursor data attributes (B/W-type only)41
- 1.9 How to Set Up Function Keys41
- 1.10 How to Customize Operation43
- 1.11 How to Select the Interface for Heading Input45
- 1.12 How to Set Own Ship’s Speed45
  - 1.12.1 Automatic speed input (log or EPFS navigator)45
  - 1.12.2 Manual speed input47
- 1.13 How to Set the Own Ship Position47
- 1.14 How to Adjust the Date and Time48
- 1.15 User Settings49
  - 1.15.1 How to reset the user settings51
  - 1.15.2 How to save/load user settings51
- 1.16 How to Start/Stop Transmission52
- 1.17 How to Tune the Receiver (Magnetron Radars Only)53
  - 1.17.1 How to select the tuning method53
  - 1.17.2 How to initialize tuning53
  - 1.17.3 How to tune the receiver manually53
- 1.18 How to Select a Pulselength54
  - 1.18.1 How to select a pulselength54
  - 1.18.2 How to change the preset pulselength54
- 1.19 How to Adjust Sensitivity55
- 1.20 How to Reduce Sea Clutter55
  - 1.20.1 How to select the method of clutter adjustment55
  - 1.20.2 How to fine-tune sea clutter reduction56
  - 1.20.3 How to manually reduce sea clutter56
  - 1.20.4 How to use the BERTHING STC function57
- 1.21 How to Reduce Rain Clutter57
  - 1.21.1 How to select the method of rain clutter reduction58
  - 1.21.2 How to manually reduce the rain clutter58
- 1.22 Interference Rejector60
- 1.23 Echo Stretch61
- 1.24 Echo Averaging62
- 1.25 Automatic Clutter Elimination (ACE) Function64
  - 1.25.1 How to turn the Automatic Clutter Elimination (ACE) function on/off64
  - 1.25.2 How to adjust the gain in Automatic Clutter Elimination (ACE) mode64
  - 1.25.3 How to get high sensitivity65
  - 1.25.4 How to suppress false echoes65
- 1.26 Noise Rejector66
- 1.27 Wiper66
- 1.28 How to Preset Controls for a Specific Navigation Purpose67
  - 1.28.1 How to select a customized echo70
  - 1.28.2 How to edit a customized echo70
  - 1.28.3 How to restore a user customized echo to the saved settings71
  - 1.28.4 How to restore a user customized echo to the factory default settings72
  - 1.28.5 How to edit the available customized echoes72
- 1.29 How to Reject Second-trace Echoes73
- 1.30 Orientation Modes74
  - 1.30.1 How to select an presentation mode74
  - 1.30.2 Description of presentation modes74
- 1.31 How to Select a Range Scale76
- 1.32 How to Measure Range77
  - 1.32.1 How to show/hide the range rings77
  - 1.32.2 How to measure range with the variable range marker (VRM)78
  - 1.32.3 How to set the VRM unit of measurement (B-type only)79
  - 1.32.4 How to show TTG to VRM79
- 1.33 How to Measure Bearing80
  - 1.33.1 Methods to measure bearing80
  - 1.33.2 True or relative bearing81
- 1.34 Collision Assessment by Offset EBL82
  - 1.34.1 How to assess risk of collision using the offset EBL82
  - 1.34.2 How to set the origin point reference for EBL OFFSET83
- 1.35 How to Measure Range and Bearing Between Two Targets84
- 1.36 How to Off-Center the Display86
- 1.37 Target Trails87
  - 1.37.1 True or relative trails87
  - 1.37.2 Trail time88
  - 1.37.3 Trail gradation89
  - 1.37.4 Trail level89
  - 1.37.5 Narrow trails (B/W-type only)90
  - 1.37.6 How to hide the trails temporarily90
  - 1.37.7 Trail stabilization in true motion90
  - 1.37.8 How to erase/restart trails91
  - 1.37.9 How to prevent sea clutter in true trails91
  - 1.37.10 How to show/hide OS trails92
  - 1.37.11 How to show/hide land trails (B/W-type only)92
  - 1.37.12 How to set the trail length (B/W-type only)93
  - 1.37.13 How to set the trail color (B/W-type only)93
  - 1.37.14 How to remove the colors from a section of a multicolor trail (B/W-type only)94
  - 1.37.15 How to offset the colors for multicolored trail (B/W-type only)95
- 1.38 Target Analyzer (B/W-type only)96
  - 1.38.1 How to activate/deactivate the target analyzer97
- 1.39 Target Alarm98
  - 1.39.1 How to set a target alarm98
  - 1.39.2 How to mute the target alarm99
  - 1.39.3 How to deactivate a target alarm99
  - 1.39.4 How to change target alarm attributes99
- 1.40 PI (Parallel Index) Lines100
  - 1.40.1 How to show/hide the PI lines100
  - 1.40.2 How to set the maximum number of lines to display100
  - 1.40.3 How to change PI line bearing and interval101
  - 1.40.4 How to change the PI line bearing reference (B/W-type only)101
  - 1.40.5 How to change the PI line orientation102
  - 1.40.6 How to reset the PI lines to default (ship’s heading)102
  - 1.40.7 How to change PI line length (IMO/A/B/R-types only)102
- 1.41 How to Use the Net (Diamond) Cursor (B/W-type only)103
  - 1.41.1 How to activate the net cursor103
  - 1.41.2 How to set the net cursor dimensions and orientation104
- 1.42 Zoom105
- 1.43 How to Use Marks106
  - 1.43.1 Heading line mark106
  - 1.43.2 How to hide/show the stern mark106
  - 1.43.3 North mark107
  - 1.43.4 How to set up the own ship symbol107
  - 1.43.5 How to set the barge marker107
  - 1.43.6 Antenna mark108
  - 1.43.7 Latitude/longitude grid108
- 1.44 Drop Mark109
  - 1.44.1 How to activate the drop mark109
  - 1.44.2 How to inscribe a drop mark109
  - 1.44.3 How to erase drop marks109
- 1.45 Brilliance and Color Schemes110
  - 1.45.1 How to select a brilliance and color scheme110
  - 1.45.2 How to change the color and brilliance assigned to a palette110
  - 1.45.3 How to change the color palette112
- 1.46 How to Display and Set Up Navigational Data113
  - 1.46.1 How to set up the navigational data113
  - 1.46.2 How to display navigational data114
- 1.47 How to Use the Information Box115
- 1.48 Interswitch117
  - 1.48.1 How to display antenna information117
  - 1.48.2 How to preset antenna and display combinations118
  - 1.48.3 How to clear the interswitch120
- 1.49 Performance Monitor120
  - 1.49.1 How to activate/deactivate the performance monitor120
  - 1.49.2 How to check the radar’s performance122
- 1.50 How to Change the Reference Position123
- 1.51 Anchor Watch124
- 1.52 Alerts125
  - 1.52.1 What is an alert?125
  - 1.52.2 How to interpret the [ALERT] box126
  - 1.52.3 How to acknowledge an alert126
  - 1.52.4 How to silence the alert buzzer126
  - 1.52.5 Alert list127
  - 1.52.6 Alert icons and their meanings129
  - 1.52.7 Responsibility transfer alert130
- 1.53 Icing Prevention131
- 1.54 How to Select a Display Mode (B/W-type Only)132
- 1.55 How to Manage SD Card Data133
  - 1.55.1 Formatting the SD card133
  - 1.55.2 Cautionary notes on handling SD cards133
  - 1.55.3 Compatible SD cards133
  - 1.55.4 How to insert SD cards134
  - 1.55.5 How to remove SD cards134
  - 1.55.6 How to save data to an SD card135
  - 1.55.7 How to read (load) data from an SD card135
  - 1.55.8 How to delete data from an SD card135
- 1.56 How to Take a Screenshot136
- 1.57 How to Use the Watch Alert (A/B/W-types only)136
- 1.58 Dual Radar (A/B-types only)137
  - 1.58.1 How to toggle control of each dual radar display138
  - 1.58.2 Operating considerations for the dual radar display139
- 1.59 Wave Mode141
- 1.60 Doppler Feature (X-band Solid State Radars only)142
2. RADAR OBSERVATION143
- 2.1 General143
- 2.2 False Echoes145
- 2.3 SART (Search and Rescue Transponder)147
- 2.4 RACON149
- 2.5 Radar Target Enhancer (RTE)149
- 2.6 Solid state radar150
3. TARGET TRACKING (TT)151
- 3.1 Precautions when Using Target Tracking151
- 3.2 TT Controls152
- 3.3 TT Box Overview152
- 3.4 How to Select the TT mode153
- 3.5 How to Acquire and Track Targets154
  - 3.5.1 How to manually acquire a target154
  - 3.5.2 How to automatically acquire targets155
- 3.6 How to Enter Own Ship Speed155
  - 3.6.1 Echo-referenced speed input155
- 3.7 How to Cancel Target Tracking157
  - 3.7.1 How to cancel tracking for individual TT targets157
  - 3.7.2 How to cancel tracking for all TT targets157
- 3.8 TT Lost Alert158
  - 3.8.1 How to set the TT lost filter158
  - 3.8.2 How to enable/disable the lost alert158
- 3.9 TT Symbols and Attributes159
  - 3.9.1 How to adjust symbol brilliance159
  - 3.9.2 How to set the symbol color159
  - 3.9.3 How to select a TT symbol (B/W-types only)160
- 3.10 How to Display/Remove Target Data160
  - 3.10.1 TT pop up information160
  - 3.10.2 How to show/remove target data in the data display area161
  - 3.10.3 How to display, hide and sort the target list162
- 3.11 How to Assign a Preset Name to TT Targets (B/ W-type only)164
  - 3.11.1 How to activate the preset name function164
  - 3.11.2 How to setup preset names164
  - 3.11.3 How to assign a name to a TT165
- 3.12 Vector Modes166
  - 3.12.1 Description of vectors166
  - 3.12.2 Vector mode and length168
- 3.13 Past Position Display169
  - 3.13.1 How to display past position points and select the plotting interval169
  - 3.13.2 How to select the number of past position points to be displayed169
- 3.14 Set and Drift170
- 3.15 Collision Alarm (CPA, TCPA)171
  - 3.15.1 How to set the CPA and TCPA ranges171
  - 3.15.2 How to acknowledge the TT collision alarm172
- 3.16 Acquisition Zone172
  - 3.16.1 How to enable the acquisition zones172
  - 3.16.2 How to activate the first acquisition zone (AZ1)173
  - 3.16.3 How to set a polygon acquisition zone (AZ2)173
  - 3.16.4 How to sleep/deactivate an acquisition zone174
  - 3.16.5 How to acknowledge the acquisition zone alert174
  - 3.16.6 How to select the target type to acquire (B/W-types only)174
  - 3.16.7 How to change the acquisition zone reference175
  - 3.16.8 How to set acquisition zone shape and stabilization (B/W- types only)175
- 3.17 Trial Maneuvers177
  - 3.17.1 Types of trial maneuvers177
  - 3.17.2 How to perform a trial maneuver178
  - 3.17.3 How to stop the trial maneuver180
- 3.18 TT System Messages181
- 3.19 TT Simulation Mode182
- 3.20 Criteria for Tracking Target Selection183
- 3.21 Factors Affecting Target Tracking184
4. AIS OPERATION187
- 4.1 Controls for AIS189
- 4.2 AIS Box Overview190
- 4.3 How to Select the AIS Display Mode190
- 4.4 AIS Symbols and Their Meanings191
- 4.5 How to Use the AIS Display Filter191
- 4.6 How to Activate AIS Targets193
  - 4.6.1 How to activate specific targets manually193
  - 4.6.2 How to set the AIS auto activate function194
- 4.7 How to Sleep AIS Targets195
  - 4.7.1 How to sleep individual AIS targets195
  - 4.7.2 How to sleep all AIS targets195
- 4.8 How to Set Up For a Voyage196
  - 4.8.1 How to access the VOYAGE DATA menu196
- 4.9 How to Display AIS Data197
- 4.10 How to Change AIS Symbol Attributes201
- 4.11 Past Position Display202
- 4.12 AIS Lost Alert204
  - 4.12.1 How to set the AIS lost filter204
  - 4.12.2 How to enable/disable the AIS lost alert205
- 4.13 ROT Setting205
- 4.14 AIS Collision Alarm (CPA, TCPA)206
  - 4.14.1 How to set the CPA and TCPA ranges206
- 4.15 How to Associate TT and AIS Targets207
- 4.16 How to View Own Ship Data209
- 4.17 How to Use AIS Messages210
- 4.18 AIS System Messages216
5. VIDEO PLOTTER OPERATION217
- 5.1 Orientation Modes217
- 5.2 How to select a mark type217
- 5.3 How to select the mark inscription position218
- 5.4 Radar Map219
- 5.5 Origin Mark224
- 5.6 How to Change the Shape of the Own Ship Mark226
- 5.7 How to Use ECDIS Chart Marks227
- 5.8 Own Ship and Other Ship’s Track228
- 5.9 How to Use Waypoints232
- 5.10 Routes236
- 5.11 Chart Functions241
6. MAINTENANCE, TROUBLESHOOTING247
- 6.1 Periodic Maintenance Schedule248
- 6.2 How to Replace the Fuse249
- 6.3 Life Expectancy of Major Parts250
- 6.4 Trackball Maintenance251
- 6.5 Easy Troubleshooting251
- 6.6 Advanced-level Troubleshooting252
- 6.7 Diagnostics254
- 6.8 Sentence Monitor259
- 6.9 Fallback Arrangements260
APPX. 1 MENU TREE261
APPX. 2 LONGITUDE ERROR TABLE (96 NM SCALE)269
APPX. 3 ALERT LIST271
APPX. 4 DATA COLOR AND MEANING294
APPX. 5 ABBREVIATIONS295
APPX. 6 SYMBOLS300
APPX. 7 PARTS LOCATION307
APPX. 8 RADIO REGULATORY INFORMATION317
SPECIFICATIONS318
INDEX327
- A327
- B327
- C327
- D327
- E327
- F327
- H327
- I327
- L328
- M328
- N328
- O328
- P328
- R328
- S328
- T328
- V329
- W329
Declaration of Conformity330

Furuno FAR-2238S-NXT-BB - RF Unit RTR-108

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