Furuno GP-1850WD - Manual (Page 64)

10. CUSTOMIZING YOUR UNIT
10-4
MAG VARIATION
The magnetic variations for all areas of the
earth are preprogrammed into this unit. The
preprogrammed variation is accurate for
most instances, however you may wish to
manually enter a updated variation referring
to the latest navigation chart.
1. Select MAG VARIATION, and press the
EDIT soft key to show the mag variation
window.
MAG VARIATION
▲
AUTO
MANUAL 0.7 ° W
▼
Mag variation window
2. Select MANUAL.
3. Key in magnetic deviation value.
4. Press the W<-->E soft key to switch
between East and West and vice versa, if
necessary.
5. Press the ENTER soft key or the
[ENTER] key to finish.
TD DISPLAY
Position may be shown in Loran C TDs,
Decca TDs, or latitude and longitude. To
display position in TDs, select Loran C or
Decca here and choose TD at “POSITION
DISPLAY” below. You can select the Loran C
or Decca chain to use on the TD SETUP
menu. For details see “TD SETUP menu” on
page 10-7 and 8.
POSITION DISPLAY
Displays position in latitude and longitude or
TD (time difference).
SET GO TO METHOD
Selects the method for entering the quick
point: 1 POINT, 35 POINT (2-35 points), or
WPT/PORT SER. For further details see
pages 7-1 and 7-2.
OPERATION MODE
Selects the operation mode among
PLEASURE, FISHING 1 and FISHING 2.
For details, see page 4-1 and 5-1.
LANGUAGE
Selects the language for operation display
for ENGLISH or FRENCH.
10.3 GPS/DGPS/TD OPTIONS
menu
This menu sets up GPS and DPGS receivers
and enables display of position in Loran C or
Decca TDs.
1. Press the [MENU] key.
2. Press the GPS/DGPS/TD OPTIONS soft
key to display the GPS/DGPS/TD options
menu.
GPS/DGP
OPTION
DGPS 3D
GPS SETUP OPTIONS
TD SETUP
DGPS SETUP OPTIONS
RETURN
GPS/DGPS/TD options menu