5.10 COMPASS Settings
5.10 COMPASS Settings
(GPS Map → MAIN MENU → Settings →
Compass Settings)
There are three norths commonly in use in
Great Britain:
•
Grid North:
the direction of a grid line which
is parallel to the central meridian on the
National Grid.
•
True North:
the direction of a meridian of
longitude which converges on the North
Pole.
•
Magnetic North:
the direction indicated by a
magnetic compass. Magnetic North moves
slowly with a variable rate and currently is
West of Grid North in Great Britain.
Compass Display
• Use the joystick, moving left/right to select
from Degrees, Cardinal points (eg. N,
NNE), or mil-radians (section 15.00).
• Press
Done
or centre press the joystick to
return to
SETTINGS
MENU.
Bearing Display
• Use the joystick, moving left/right to toggle
between
Show Grid Bearings
Magnetic
Bearings.
• Press
Done
or centre press the joystick to
SETTINGS
MENU.
return to
© Satmap Systems Ltd
Pressing the
following settings:
Compass Display
Degrees
Grid Magnetic Angle
Manual
Bearing Display
Show Grid Bearings
Grid Magnetic Angle
• Use the joystick, moving left/right to toggle
Manual
between
Press
Done
Press
Set
to select Manual. A new
page is shown on which the Grid Magnetic
Angle (section 15.00) may be adjusted by
moving the joystick up/down.
• Press
Done
return to
Compass Settings
Done
again to return to
Pressing the
following setting:
Grid Magnetic Angle Value
W 03
and
Show
Default
button restores the
and Automatic.
to select Automatic.
SETTING
or centre press the joystick to
page. Press
SETTINGS
MENU.
Default
button restores the
25
Figure 5.10
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