Furuno FAR-2228-BB User Manual

Furuno FAR-2228-BB

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FAR-2218

FAR-2218-BB

FAR-2228

FAR-2228-BB

FAR-2228-NXT

FAR-2228-NXT-BB

FAR-2238S

FAR-2238S-BB

FAR-2238S-NXT

FAR-2238S-NXT-BB

FAR-2318

FAR-2328

FAR-2328-NXT

FAR-2328W

FAR-2338SW

FAR-2338S

FAR-2338S-NXT

FAR-2018-MARK-2

FAR-2028-MARK-2

OPERATOR'S MANUAL

www.furuno.com

Model

MARINE RADAR

Table of Contents

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

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Operator's Guide8 pages

Questions and Answers:

D
Douglas OwensSep 5, 2025
Why is the picture orientation incorrect on my Furuno FAR-2228-BB?
- J
  Jason BuckleySep 5, 2025
  If the picture orientation is incorrect on your Furuno Marine Radar, it could be due to the Rotary Encoder inside the antenna unit, the SPU board inside the antenna unit, or the MTR-DRV board inside the antenna unit. If the message 'NO HEADLINE SIGNAL' appears, check the heading line signal cable and board connections. If there are no problems with cables or connections, replace the faulty board.
C
Corey CookAug 25, 2025
What to do if range changed but radar picture does not change on Furuno FAR-2228-BB Marine Radar?
- B
  bauerdanaAug 25, 2025
  If the range is changed but the radar picture does not change on your Furuno Marine Radar, it could be due to a defective range key or a video freeze-up. Try adjusting the range with the control unit or the [RANGE] box several times. If that does not work, try turning the power off and on again to see if the problem might be video freeze up. If still unsuccessful, the keypad may need replacement.
J
joannamillerAug 25, 2025
Why is my Furuno FAR-2228-BB properly tuned but has poor sensitivity?
- T
  tylermcdanielAug 26, 2025
  If your Furuno Marine Radar is properly tuned but has poor sensitivity, possible causes include a deteriorated magnetron, a detuned MIC, dirt on the radiator face, water ingress to the waveguide or other feeder line, or the second trace echo rejection being active. Consider the following: 1. Check magnetron current with the radar transmitting on 48 nm range. If the current is below normal, the magnetron may be defective and need replacement. 2. Check the MIC detecting current. If it is below the normal value, the MIC may have become detuned and needs tuning. 3. Clean the radiator surface. 4. Remove water from the feeder line. 5. Disable the second-trace echo rejector.
N
nichole57Aug 27, 2025
How to display range rings on Furuno Marine Radar?
- C
  cooperblakeAug 27, 2025
  If range rings are not displayed on your Furuno Marine Radar, it may be because they are turned off. Try turning on the range rings with [RANGE RING] in the [NAVTOOL] menu. If they still do not appear, their brilliance may be too low; adjust their brilliance in the [BRILL] menu.
Z
zbentonAug 27, 2025
What causes marks, indications, and noise but no echo on Furuno FAR-2228-BB Marine Radar?
- P
  Paula DiazAug 27, 2025
  If you are seeing marks, indications, and noise but no echo on your Furuno Marine Radar, the Tx high voltage protection circuit may have activated. Reset the power to restore normal operation.
J
Jocelyn SimsSep 13, 2025
Why is the tracked target not tracked correctly on Furuno FAR-2228-BB?
- K
  kyle04Sep 13, 2025
  If a target is not being tracked correctly on your Furuno Marine Radar, it may be due to poor definition of targets in sea clutter. Adjust A/C SEA and A/C RAIN.
J
Jennifer PatelSep 12, 2025
What causes poor discrimination in range on Furuno FAR-2228-BB?
- R
  Richard SmithSep 12, 2025
  If you are experiencing poor discrimination in range on your Furuno Marine Radar, it could be due to the sea clutter control not functioning properly. This may be caused by improper setting of A/C SEA. If A/C SEA is seen only at very close range, suspect inaccurate frequency of reference oscillator.
S
smithjenniferSep 12, 2025
Why are data and marks not displayed in transmit status on my Furuno Marine Radar?
- H
  Holly McclainSep 12, 2025
  If data and marks are not displayed in transmit status on your Furuno Marine Radar, the issue may be with the MAIN board inside the Processor unit. Consider replacing the MAIN board.
O
omaloneSep 4, 2025
What to do if Furuno Marine Radar power is on but nothing appears on the monitor?
- M
  Matthew RaymondSep 4, 2025
  If the power is on but nothing appears on the monitor of your Furuno Marine Radar, the brilliance might be too low. Adjust the brilliance.
K
Karen AyalaSep 2, 2025
Why does my Furuno FAR-2228-BB Marine Radar show marks, indications, and noise but no echo?
- T
  Timothy WarrenSep 2, 2025
  If your Furuno Marine Radar shows marks, indications, and noise but no echo (and the transmission leak representing your own ship position is absent), possible causes include activation of the TX high voltage protection circuit, a faulty magnetron, or issues with the MD or SPU boards inside the antenna. To troubleshoot: 1. Reset the power to restore normal operation. 2. Check the magnetron current and replace the magnetron if necessary. 3. Replace the MD board. 4. Replace the SPU board.

Furuno FAR-2228-BB Specifications

General

Range Scales	0.125 to 96 NM
IMO Compliance	Yes
AIS Display	Yes
ARPA	Yes
Power Supply	24 VDC
Type	X-Band
Frequency Band	X-Band
Frequency	9410 MHz ±30 MHz
Transmitter Power	25 kW
Antenna Length	2.4 m
Target Tracking	Yes
IP Rating	IP56

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