2 GPS 72H Owner’s ManualAppendixSpecificationsPhysicalSize: W × H × D1.2 ×2.7 × 6.2 in. (3.0 × 6.9 ×15.75 cm)Weight: 7.9 oz. (224 g)Display: High-contrast FSTN, 4-levelgray scale display (120 × 160pixels)Case: Fully gasketed, floatable, high-impact plastic alloy, waterproofto IEC 529-IPX-7Temp. Range: From 5°F to 140°F(from -15°C to 60°C)PerformanceBattery Life: 18 hours in BatterySaver modeReceiver: Differential-ready 12parallel channel receiverAcquisition Times: Approximately 3seconds (hot start)Approximately 32 seconds(warm start)Approximately 39 seconds (coldstart)Update Rate: 1/second, continuousGPS Accuracy: *< 15 meters (49feet) RMS 95% typicalDGPS (USCG) Accuracy: 3–5 meters(10–16 ft), 95% typicalDGPS (WAAS) Accuracy: 3 meters(10 ft.) 95% typical with DGPScorrectionsVelocity Accuracy: 0.1 knot RMSsteady stateDynamics: 6 g* Subject to accuracy degradation to100m 2DRMS under the US DOD-imposed Selective Availability Program.