Garmin foretrex 301, Руководство пользователя

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26 Foretrex 301/401 Owner’s Manual
Appendix
Optimizing Battery Life
Use premium batteries for optimal
performance and maximum battery
life.
Consider the following suggestions to
maximize battery life:
Excessive use of the backlight
will signiicantly decrease battery
life.
Select a shorter backlight timeout
(
page 3 ).
Turn tones off if not needed.
From the main menu, select
SETUP > SYSTEM > BEEPER
> OFF .
Turn off the compass when
it is not being used (Foretrex
401 only). Select
SETUP >
HEADING > COMPASS >
OFF .
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•
•
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Resetting the Foretrex
If your Foretrex is locked up, press
and hold
page and simultaneously
until the screen goes blank (about 7
seconds). This does not erase any of
your data or settings.
Clearing User Data
NOTICE: This deletes
all history
and user-entered information.
To clear all user data, press and hold
enter on startup until the message
appears.