Battery Level Indicator - Garmin Personal Navigator GPS 45XL Owner's Manual & Reference

Battery Level Indicator

The satellite status page also features a battery level
indicator, located below the status field to the left of the sky
view, which provides a graphic display of the condition of
the internal batteries.
The battery level indicator is calibrated for alkaline
!
batteries. Ni-Cad and lithium batteries will not
accurately display the battery level due to voltage
differences. No other receiver functions are affect-
ed by using Ni-Cad or lithium batteries.
It's always best to store your GPS receiver with the
!
batteries installed to preserve the internal memory
and data. The GPS 45XL features a rechargeable
lithium battery that will maintain the internal memo-
ry for 3 months in the event that the batteries are
removed or totally discharged.
Screen Backlighting
The GPS 45XL' s automatic backlight feature illuminates
the screen display for a user-defined interval (the default is
15 seconds) after every keystroke. When backlighting is on,
a bulb icon will appear at the bottom left of the sky view.
To turn the screen backlighting on or off:
B
1. Press the
2. To adjust the duration of screen backlighting, refer to the
operation setup section (page 46).
Using the screen backlighting can greatly affect
!
battery life. If you're using your GPS 45XL primarily
in daylight hours, you should keep the backlight
timeout at the default 15 second setting.
key.
Reference
Satellite
Status Page
A bulb icon will appear on
the status page whenever
the screen backlighting is
on. The backlight will turn
on for the time selected after
every keystroke.
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