Garmin GPS 150 Pilot's Manual page 67

In the event of power failure, the GPS 150 can automatically turn off the display
while using battery power, if desired. This will greatly increase the GPS 150' s battery
life while navigating without aircraft power. During the time the display is off, the
GPS 150 will continue to navigate and track satellites, but not display information
until a key is pressed, or a knob is turned.
To set the display timeout:
S O
1. Press and rotate
C K
2. Press and rotate
Entering 0 will leave the display on at all times.
C
3. Press to complete.
The trip timer (described in Section 1, page 20) can be configured to run when
the power is on, or when your ground speed exceeds a specified minimum.
To change the trip timer settings:
S O
1. Press and rotate
C K
2. Press and rotate
3. If you choose 'pwr is on', press
4. If you choose 'gs exceeds', rotate
K O
5. Use and to enter the ground speed to be used as the minimum.
E
6. Press to accept, and
until the Battery Saver page is displayed.
until the desired value is displayed (0, 30, 60, or 90 seconds).
until the Trip Timer Settings page is displayed.
to display either 'pwr is on' or 'gs exceeds'.
C
to complete.
O
to highlight the speed field.
C
to complete.
REFERENCE
Display Timeout &
Trip Timer Settings
Battery Saver page set to
30 second display timeout.
Trip Timer Settings page
Trip Timer Settings page set to 100 knots.
Section
5
57