Furuno 1943, 1933, 1833 manual Plotter troubleshooting

7. MAINTENANCE, TROUBLESHOOTING

7.5.3Plotter

Requires GPS Receiver GP-310B.

	Plotter troubleshooting
If…	Then…
position is not fixed	• check that antenna connector is firmly fastened.
within three minutes	• check number of satellites received, on the GPS status display
	(GPS SENSOR SETTINGS menu, GPS STATUS key. See page
	7-11).
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.
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.
bearing is wrong	• check that correct magnetic variation is entered, on the GENERAL
	SETUP menu.
Loran C (or Decca)	• check that LORAN C (or DECCA) is selected at TD DISPLAY on
TDs do not appear	the GENERAL SETUP menu. Also, check that proper Loran C
	(Decca) chains codes are entered, on the TD SETUP menu.
Loran C (or Decca)	• enter TD offset, on the TD SETUP menu.
TDs are wrong
ship’s speed indication	• try to decrease speed/course smoothing, on the GPS SENSOR
is not zero after the	SETTINGS menu.
ship is stopped

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