8. MAINTENANCE, TROUBLESHOOTING
8-5
8.7.3 Plotter
Requires a FURUNO BB GPS Receiver.
Plotter troubleshooting
If… Then…
position is not fixed
within three minutes
• check that antenna connector is firmly fastened.
• check number of satellites received, on the GPS status display. (See
page 9-12.) There should be three or more.
position is wrong
• check that the correct geodetic chart system is selected, on the GPS
SENSOR SETTINGS menu.
• enter position offset, on the GPS SENSOR SETTINGS menu.
the track is not plotted
• track is not being plotted. (“H” icon appears at the top of the display.)
Press the TRACK HALT soft key on the TRACKS & MARKS
CONTROL menu to start plotting again.
the bearing is wrong
• check that correct magnetic variation is entered, on the GENERAL
SETUP menu.
Loran C (or Decca)
TDs do not appear
• check that LORAN C (or DECCA) is selected at TD DISPLAY on the
GENERAL SETUP menu. Also, check that proper Loran C (Decca)
chains codes are entered, on the TD SETUP menu.
Loran C (or Decca)
TDs are wrong
• enter TD offset, on the TD SETUP menu.
the ship’s speed
indication is not zero
after the ship is
stopped
• try to decrease speed/course smoothing, on the GPS SENSOR
SETTINGS menu.
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