Plotter - Furuno COLOR VIDEO PLOTTER 1833C Operator's Manual

7. MAINTENANCE, TROUBLESHOOTING
7.5.3

Plotter

Requires GPS Receiver GP-310B.
If...
position is not fixed
within three minutes
position is wrong
the track is not plotted
the bearing is wrong
Loran C (or Decca)
TDs do not appear
Loran C (or Decca)
TDs are wrong
the ship's speed
indication is not zero
after the ship is
stopped
7-4
Plotter troubleshooting
check that antenna connector is firmly fastened.
check number of satellites received, on the GPS status display. (See
page 7-11.) There should be three or more.
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 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.
check that correct magnetic variation is entered, on the GENERAL
SETUP menu.
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.
enter TD offset, on the TD SETUP menu.
try to decrease speed/course smoothing, on the GPS SENSOR
SETTINGS menu.
Then...