Furuno GP-1850WF User Manual Page 97
- Page / 115
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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13. MAINTENANCE & TROUBLESHOOTING
13-3
Simple troubleshooting (sounder)
If … Then …
check if picture advance speed is set to “STOP”
on the SOUNDER SETUP OPTIONS menu.
no picture but markers and characters appear
check for loosened transducer connector.
picture appears but no zero line
if using manual video sounder operation, range
is shifted; set shifting zero to correct.
check gain setting, if using manual operation.
marine life or air bubbles may be clinging to
transducer face.
water may be dirty.
picture sensitivity is too low
bottom may be too soft to return a suitable echo.
depth is not displayed
adjust echo offset on the SOUNDER SETUP
OPTIONS menu (SYSTEM SETUP soft key).
check if transducer cable is near ship’s engine. If
it is, relocate it.
check ground.
noise or interference obstructs the display
other video sounders may be operating nearby
and on same frequency.
water temperature graph appears but no or
wrong readout
check for loosened sensor cable.
13.4 Error Messages
The GP-1850WF/1850WDF displays the
following error messages on the alarm menu
to alert you to possible trouble.
Error messages
Error Message Meaning, remedy
NO GPS FIX No GPS signal. Check
antenna cable.
NO DIFFERENTIAL
GPS CORRECTION.
(GP-1850WDF only)
No DGPS signal.
Check antenna.
VOLTAGE OF
INTERNAL BATTERY
IS LOW.
Voltage of internal
battery is low.
Request replacement
of battery.
- COLOR DGPS/PLOTTER/SOUNDER 1
- COLOR GPS/PLOTTER/SOUNDER 1
- *00080937000**00080937000* 2
- *OME44252B00**OME44252B00* 2
- SAFETY INSTRUCTIONS 3
- TABLE OF CONTENTS 4
- FOREWORD 6
- SYSTEM CONFIGURATION 7
- WHAT IS WAAS? 8
- 1. OPERATIONAL OVERVIEW 9
- 1.2 Remote Controller 10
- 1.3 Inserting Mini Chart 11
- 1.4 Turning the Power 11
- 1.5 Adjusting Tone and 12
- Brilliance 12
- 34° 56.789' N 13
- 135° 56.789' E 13
- 1.7 Sounder Displays 14
- 1.8 Menu Operation, Soft 15
- 1.9 Demonstration Display 16
- 2. VIDEO SOUNDER OPERATION 17
- 50 kHz picture 18
- 200 kHz picture 18
- This part 19
- A-scope display 20
- Selecting display range 22
- Adjusting the gain 22
- Range shifting 22
- Depth to VRM 23
- 8 color 0-8 24
- 16 color 0-16 24
- White marker shows 25
- Zero line 27
- Minute mark 27
- Fish school echoes 27
- Bottom echo 27
- Surface noise 28
- Caused by 28
- Thermocline 28
- 3. PLOTTER DISPLAYS 29
- Remarks on chart display 32
- Chart symbols 32
- NAVAID: /FL 6S 12M 33
- FROM OS 52.38nm 48.0° 33
- Beacon information display 35
- 4. TRACK 39
- Track plotting method 40
- 01 m 00 s 41
- 00.10 nm 41
- Erasing tracks by area 42
- Erasing tracks by color 42
- Erasing all track 42
- Plotter display 43
- Video sounder display 44
- Mark does not 45
- Erasing all marks/lines 46
- 6. WAYPOINTS 47
- MARK SHAPE 48
- 'X' 49
- SEARCH FOR _ _ _ 50
- Search window 50
- SEARCH FOR _ _ _ 52
- 7. ROUTES 53
- 8. NAVIGATION 59
- Restarting navigation 62
- WAYPOINTS SW 63
- 9. PLOTTER ALARMS 65
- Alarm messages 68
- 10. MEMORY CARD OPERATIONS 69
- Saving data 70
- Error messages 71
- Data overwrite 71
- Notes on loading data 72
- Waypoint/route 72
- Mark/line 72
- Configuration 72
- 11. CUSTOMIZING YOUR UNIT 73
- CHART DETAILS menu 74
- ±x (magnetic variation)° = 75
- OPTION 77
- GEODETIC DATUM 78
- AUSTRALIA 78
- DGPS/WAAS SETUP OPTIONS menu 79
- TD SETUP menu 80
- Displaying LORAN C TDs 80
- Displaying DECCA TDs 80
- 11.4 SOUNDER SETUP 81
- OPTIONS menu 81
- Fish school B 82
- Fish school A 82
- SETUP NMEA PORT 1 menu 83
- SETUP NMEA/DGPS PORT 2 menu 83
- UPLOAD/DOWNLOAD DATA menu 84
- • End of sentence 84
- 12. USING C-MAP NT MODEL 87
- DD/MM/YYYY 90
- 01 / 01 / 2000 90
- SELECT PORT SERVICE 91
- Program Number 94
- 13. MAINTENANCE & 95
- TROUBLESHOOTING 95
- Use the correct fuse 96
- DER SETUP 97
- No.1451827** 98
- No.48502060** 98
- No.08501781** 98
- Keyboard test 99
- Display test 99
- Remote controller test 100
- MENU TREE 102
- LORAN C CHAINS 104
- DECCA CHAINS 105
- WORLD TIME 106
- GEODETIC CHART LIST 107
- SPECIFICATIONS OF 109
- SP - 2 E4425S02A-M 110
- Index-1 111
- Index-2 112
- Index-3 113
- Index-4 114
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