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Appendix A
Physical Specifi cations
Size: 1.3”x2.7”x6.2”
Weight: 7.5 ozs (??kg)
Display: 2.9" diagonal (6.0cm) high-contrast, 4-level gray
LCD with backlighting (180 x 240 pixels)
Case: Fully gasketed, fl oatable, high-impact plastic alloy,
waterproof to IEC 529-IPX-7
Temp. Range: 5°F to 158°F (-15°C to 70°C)
Performance
Battery Life: 16 Hours in Battery Saver Mode
Receiver: Differential-ready 12 parallel channel receiver
Acquisition Times: Approx. 15 seconds (warm start)
Approx. 45 seconds (cold start)
Approx. 5 minutes (First Time/AutoLocate™)
Update Rate: 1/second, continuous
GPS Accuracy: *< 15 meters (49 feet) RMS 95% typical
DGPS (USCG) Accuracy: 3-5 meters (10-16 ft), 95% typical
DGPS (WAAS) Accuracy: ,3 meters (10ft) 95% typical with DGPS corrections
Velocity Accuracy: 0.1 knot RMS steady state
Dynamics: 6g's
* Subject to accuracy degradation to 100m 2DRMS under the U.S. DOD-imposed Selective Availability Program.
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 GPSMAP 76 may exceed the usable range of some batteries. Alkaline batteries can rupture
at high temperatures. Alkaline batteries lose a signifi cant amount of their capacity as temperature decreases. Use lithium
batteries when operating the GPSMAP 76 in below-freezing conditions. Extensive use of screen backlighting will signifi cantly
reduce battery life.
Speci
fi
cations
190-00230-00.indd 03/15/01, 9:26 AM60