70
Specifi cations
Appendix I
Physical Specifi cations
Size: 6.18”W x 3.4”H x 2.22”D (15.7 x 8.64 x 5.72cm)
Weight: 12 ozs (.34kg)
Display: GPSMAP 176 — 3.8" diagonal (9.65cm) high-contrast, FSTN display with
backlighting (320 x 240 pixels)
GPSMAP 176C — 3.8” diagonal (9.65cm) Transfl ective, 16 color display
with backlighting (320 x 240 pixels)
Case: Fully gasketed, 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: Up to 13 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: Four 1.5-volt AA batteries
1
Source: 8-35V DC
Fuse: AGC/3AG - 2.0 Amp
1
Alkaline batteries lose a signifi cant amount of their capacity as the temperature decreases. Use lithium batteries when operating the GPSMAP 176 in below freezing condi-
tions. Extensive use of screen backlighting will signifi cantly reduce battery life. Different battery brands will vary in useful life.
190-00185-10_0A.indd 70 6/18/2002, 10:01:18 AM
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