Magnetic Deviation - Furuno GD-3300 Operator's Manual

11.3 Magnetic Deviation

Displaying true bearing
1. Press [MENU] and [8].
8 INITIAL SETTINGS
LINE (HOLD PLOT)
MAGNETIC DEVIATION = AUTO (07 W) MAN (06 E) (0~99)
BEARING
COURSE VECTOR
MARK SIZE
Figure 11-3 INITIAL SETTINGS menu
3. Select BEARING.
4. Select MAGNETIC or TRUE as appropriate.
5. Press the [ENT] key.
The bearing display in the data window (DATA DISPLAY (2))
shows "M" when you are using magnetic bearing.
+36 44.257' N 340.5 M
134 40.719' E 10.0KTS
Figure 11-4 Location of magnetic bearing
indication on DATA DISPLAY (2)
The magnetic deviations for all areas of the earth are preprogrammed
into this unit. The preprogrammed variation is accurate for most in-
stances, however you may wish to manually enter a variation.
1. Press [MENU] and [8].
2. Select BEARING.
3. Select MAGNETIC DEVIATION.
4. Select MANual.
= ON OFF
= TRUE MAGNETIC
= VECTOR LINE
= LARGE SMALL
"M" = Magnetic bearing
1.46NM
109.8
0.10NM
2D
40 42
OFF
1.2
11-3