Appendix, Specifications – Garmin GPSMAP 278 User Manual
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Specifications
Physical Specifications
Size:
5.7" W x 3.2" H x 1.9" D
(14.5 x 8.1 x 4.8 cm)
Weight:
14.0 oz (0.40 kg)
Display:
3.75" diagonal (9.5 cm) Transflective, 256-color
display with backlighting (480 x 320 pixels)
Case:
Fully gasketed, high-impact plastic alloy,
waterproof to IEC 60529 IPX7
Temp. Range: 5°F to 140°F (-15°C to 60°C)
Power
Battery:
Rechargeable lithium-ion
Battery Life:
7-15 hours
Source:
11–35 VDC
Fuse:
3AG - 1.5 Amp
Performance
Receiver:
Differential-ready 12 parallel channel receiver
Acquisition Times: Approximately 15 seconds (warm start)
Approximately 45 seconds (cold start)
Approximately 5 minutes (First Time/
AutoLocate™)
Update Rate:
1/second, continuous
Accuracy
GPS:
15 meters (49 feet) RMS 95% typical
DGPS (USCG):
3–5 meters (10–16 ft), 95% typical
DGPS (WAAS):
< 3 meters (10 ft) 95% typical with DGPS
corrections
Velocity:
0.1 knot RMS steady state
Dynamics:
6 g's
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GPSMAP 278 Owner’s Manual
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