Furuno 1823C Marine RADAR User Manual


 
7. MAINTENANCE, TROUBLESHOOTING
7-5
7.7.3 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. (See
page 7-11.) 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.