7. MAINTENANCE, TROUBLESHOOTING

7.4.3Plotter

Requires GPS Receiver GP-310B/320B.

 

Plotter troubleshooting

 

 

If…

Then…

position is not fixed within

! check that antenna connector is firmly fastened.

three minutes

! Check the satellites numbers 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

! plotting has been stopped. (“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

! check that LORAN C (or DECCA) is selected at TD DISPLAY on the GENERAL

not appear

SETUP menu. Also, check that proper Loran C (Decca) chains codes are

 

entered, on the TD SETUP menu.

Loran C TDs are wrong

! enter TD offset on the TD SETUP menu.

ship’s speed indication is

! try to decrease speed/course smoothing on the GPS SENSOR SETTINGS

not zero after the ship is

menu.

stopped

 

7-5

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Furuno 1742C, 1753C, 1733C, 1723C, 1762C, 1722C, 1763C, 1732C, 1752C manual Plotter troubleshooting
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