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7.03 Backlight
(GPS MAP → MAIN MENU → Settings →
Backlight)
The Backlight setting is used to control
the brightness of the GPS screen. It has
signicant impact on the battery life and is
therefore recommended that you choose
a setting which you nd comfortable, not
necessarily the brightest.
Filter Options:
Within the Backlight settings you will nd
options for ltering your screen. These include
options for use at night and in strong sunlight:
• Red Filter: for night vision
Press the Red Filter button for night use
to preserve your night vision. This adds
a red tint to your screen so your eyes are
protected from viewing a bright screen in
the dark.
To preserve night vision, use a low level
setting. Below 10%, the scale goes down
in steps of 2%. (Some text may become
illegible using the red lter with a backlight
setting below 10%).
Select Sun Filter, then Normal to return to
the daylight screen.
• Sun Filter: for strong sunlight
Press the Red Filter button to access the
Sun Filter option. This gives your screen a
higher contrast and increases the levels of
red, green and blue, so it is easier to view
your map in very bright sunlight.
Note: With the Sun Filter your screen loses
some intricate map details in order to
enhance the visibility of the map in sunlight.
Select Normal to return to the daylight
screen.
The Red Filter, Sun Filter and Backlight
level can be used in combination to suit your
individual needs.
• Use the joystick, moving left/right to select
the desired level.
• Press Done or center press the joystick to
return to SETTINGS MENU.
Pressing the Default button restores the
following setting: 90%
Note: If you are in Advanced Power Saving
mode, the Backlight setting cannot go
beyond 80%.
7.03 Settings: Backlight
Figure 7.03
Red Filter Sun FilterNormal
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