3 magnetic deviation – Furuno GP-3300 User Manual
Page 100
11-3
Displaying true bearing
1. Press [MENU] and [8].
8 INITIAL SETTINGS
LINE (HOLD PLOT)
= ON
OFF
MAGNETIC DEVIATION = AUTO (07
°
W) MAN (06
°
E) (0~99)
BEARING
= TRUE
MAGNETIC
COURSE VECTOR
= VECTOR
LINE
OFF
MARK SIZE
= LARGE
SMALL
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
1.46NM
109.8
°
0.10NM
2D
1.2
40
42
"M" = Magnetic bearing
Figure 11-4 Location of magnetic bearing
indication on DATA DISPLAY (2)
11.3 Magnetic Deviation
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.