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roundings and determine its capabilities before venturing into unknown
territory. Experiment with modest settings, such as 1 second update
(300ms) or 1 second update (200ms) and see if accuracy is adequate for you.
WARNING:
Full power settings will always give you the best, most accurate
performance with AirMap. Power save functions can extend battery
life, but aggressive power saving settings can reduce GPS accuracy,
particularly in demanding situations when signal availability is
less than ideal. It is up to you to decide if position accuracy or bat-
tery consumption is the most important consideration for a par-
ticular navigation situation.
In potentially risky navigation situations, we suggest you consider the
standard operating procedure of professional cave explorers, who never
enter an undeveloped cave with fewer than three sources of light (a
main light and two backups.) Even if you do carry a couple of spare sets
of batteries, remember: a prudent navigator never depends on only one
source of navigation information. A good map and compass are impor-
tant companions for you and your AirMap.
To access the Power saving feature:
1. Press
MENU|MENU|↓ to GPS SETUP|ENT|↓ to POWER SAVING|ENT.
2. Press → or ← to move the slider bar. The left end of the scale is
minimum power saving (full battery power); the right end of the scale is
maximum power saving (minimum battery power.)
3. To return to the last page displayed, press
EXIT|EXIT.
Power Saving command, left; and Power Save menu, right.
Stop GPS Engine
There is another function that will help preserve battery life when
practicing with the unit indoors. Most of the time, the unit will not be
able to find a satellite (unless you are practicing by a large window!)
After a few moments of unfruitful scanning, AirMap will ask you if it