CARACTERISTICAS Waypoints: Total: 500 Nearest: 9 (automatic) Proximity: 9 Routes: 20 reversible routes with up to 30 points each, plus MOB and TracBack™ modes TracBack™: Automatic track log navigation Track Log: 1024 points Map Datums: 107 including one User Datum Coordinates: Lat/Lon, UTM/UPS, MGRS, Loran TDs, plus 7 grids, including Maidenhead and User UTM Receiver: Differential-ready 12 parallel channel receiver continuously tracks and uses up to twelve satellites to compute and update position Acquisition Times: Warm: Approx. 15 seconds Cold: Approx. 45 seconds AutoLocate™: Approx. 5 minutes EZinit: Easy initialization, 45 seconds Update Rate: 1/second, continuous Accuracy: Position: 15 meters (49 feet) RMS* 1-5 meters (3-15 feet) RMS with GARMIN GBR 21 DGPS receiver (optional) Velocity: 0.1 knot RMS steady state Dynamics: 3g's Interfaces: NMEA 0183 and RTCM 104 DGPS corrections Antenna: GPS 126: Internal QuadHelix Temp. Range: 5°F to 158°F (-15°C to 70°C) Size: 4.9"H x 5.3"W x 2.4"D (12.45 x 13.36 x 6.1 cm) Weight: Less than 1 lb. (454g) Display: 4.25" diagonal (10.8 cm) high-contrast LCD with three-level backlighting Case**: Full gasketed, high impact plastic alloy Memory Backup: Internal lithium battery Power: Source: 10-40vDC Usage: 2 watts Specifications are subject to change without notice. * Subject to accuracy degradation to 100m 2DRMS under the United States Department of Defense imposed Selective Availability Program. ** Meets IEC (European Community Specification) 529 IPX7 for protection against immersion for 30 minutes at a depth of 1 meter.