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40 eTrex Owner’s Manual
Device Information
Device Information
Adjusting the Screen
NOTE: The backlight brightness may
be limited when the remaining capacity
in the batteries is low.
Extensive use of screen backlighting
can signicantly reduce battery life.
1. While the device is on, press .
2. Move the Thumb Stick left and
right to adjust the brightness level.
3. Move the Thumb Stick up and
down to adjust the contrast level
(eTrex 10 only).
Adjusting the Backlight
Timeout
You can decrease the backlight timeout
to maximize battery power.
Select Setup > Display >
Backlight Timeout.
Updating the Software
Before you can update the software,
you must connect the device to your
computer (page 44).
1. Go to http://www.garmin.com
/products/webupdater.
2. Follow the on-screen instructions.
NOTE: Updating the software does not
erase any of your data or settings.
Viewing Device
Information
You can view the unit ID, software
version, and license agreement.
Select Setup > About.