Garmin eTrex 20 Quick Start Manual - Type.
4
eTrex20/30QuickStartManual
2. Insert the batteries, observing
polarity.
3. Replace the battery cover, and turn
the D-ring clockwise.
4. Hold (
).
5. Select Setup > System > Battery
Type.
6. Select Alkaline, Lithium, or
Rechargeable NiMH.
Turning the Device On or
Off
Hold (
).
registering Your Device
• Go to
• Keep the original sales receipt, or a
photocopy, in a safe place.
Satellite Signals
After the device is turned on, it begins
acquiring satellite signals. The device
may need a clear view of the sky to
acquire satellite signals. When the GPS
bars on the backlight page (
solid green, your device has acquired
satellite signals. The time and date are
set automatically based on the GPS
position.
For more information about GPS, go to
.
adjusting the Backlight
NoTe: The backlight brightness may
be limited when the remaining capacity
in the batteries is low.
Extensive use of screen backlighting