Furuno DUAL GPS GP-150-DUAL User Manual
Page 24
2. DISPLAY AND TRACK
2-6
Magnetic variation
The location of the magnetic north pole is
different from the geographical north pole.
This causes a difference between the true
and magnetic north direction. This difference
is called magnetic variation, and varies with
respect to the observation point on the earth.
Magnetic variation may be entered
automatically or manually.
1) Press the MENU ESC key.
2) Press 9 to display the SYSTEM
SETTINGS menu.
3) Press 1 to display the PLOTTER SETUP
menu.
4) Press or to select Mag Variation.
5) Press or to select Auto or Man. For
automatic, current variation appears in
parentheses.
6) For manual entry, enter variation in two
digits, referring to a nautical chart
(00-99°). If the variation is 10°, for
example, press 1, 0.
7) If necessary, press the
key to change
coordinate from east to west or vice
versa.
8) Press the NU/CU ENT key.
9) Press the MENU ESC key.
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