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The GPS 155 battery saver feature can be programmed to automatically turn off
the display when using battery power. This will increase the GPS 155’s battery life in
event of power failure. During this time, the GPS 155 will continue to navigate, track
satellites and drive the external CDI/HSI, but not display information on the unit’s
display until a key is pressed or a knob is turned.
To set the display timeout:
1. Press
S
and rotate
O
to display the ‘Battery saver’ page.
2. Press
C
to activate the cursor.
3. Rotate
K
until the desired value is displayed (0, 30, 60 or 90 seconds). Entering 0 will
leave the display on at all times. Press
C
to complete.
The trip timer provides a running clock on NAV Menu 2 (see page 19), and can
be configured to run when power is on, or when your ground speed exceeds a user-
defined minimum.
To change the trip timer settings:
1. Press
S
and use
O
to display the ‘Trip timer settings’ page.
2. Press
C
to activate the cursor.
3. Use
K
to select either ‘pwr is on’ or ‘gs exceeds’.
4. If you choose ‘pwr is on’, press
C
to complete.
5. If you choose ‘gs exceeds’, use
O
to highlight the speed field.
6. Enter the speed using
K
and
O
.
7. Press
E
to accept, and
C
to complete.
90
UNIT SETTINGS
Battery Saver/Trip Timer
Trip timer set to run when power is on.
Battery Saver Page.
Trip timer set to run when speed exceeds 100
knots.
155man (GOOD) 7/24/98 1:57 PM Page 90