4 7.5.3 plotter – Furuno NAVNET 1833 User Manual
Page 216

7. MAINTENANCE, TROUBLESHOOTING
7-4
7.5.3 Plotter
Requires GPS Receiver GP-310B.
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
(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)
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.
ship’s speed indication
is not zero after the
ship is stopped
•
try to decrease speed/course smoothing, on the GPS SENSOR
SETTINGS menu.