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GPS 72H Owner’s Manual 43
Appendix
Power
Batteries: Two 1.5-volt AA batteries
1
Source: 8–35V DC
Fuse: AGC/3AG - 2.0 Amp
1
The temperature rating for the GPS 72H
may exceed the usable range of some
batteries. Alkaline batteries can rupture at
high temperatures. Alkaline batteries lose
a signicant amount of their capacity
as temperature decreases. Use lithium
batteries when operating the GPS 72H in
below-freezing conditions. Extensive use
of screen backlighting will signicantly
reduce battery life.
Accuracy
GPS: <33 ft. (10 m) 95% typical
*
* Subject to accuracy degradation to
100m 2DRMS under the U.S. DoD
imposed Selective Availability (SA)
Program when activated.
DGPS: 10 ft. (3 m) 95% typical
*
*
Wide Area Augmentation System
(WAAS) accuracy in North America.
Velocity: 0.1 meter/sec steady state
Interfaces: Garmin Proprietary (USB)
Data Storage Life: Indenite; no
memory battery required