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• Waypoints/icons: 500 with name and graphic symbol, 10 nearest (automatic), 10 proximity
• Routes: 50 reversible routes with up to 50 points each, plus MOB and TracBack modes
• Tracks: Automatic track log; 10 saved tracks let you retrace your path in both directions
• Trip computer: Current speed, average speed, resettable max. speed, trip timer and trip distance
• Alarms: Anchor drag, approach and arrival, off-course, proximity waypoint, shallow water and deep water
• Tables: Built-in celestial tables for best times to fish and hunt, sun and moon rise, set and location
• Map datums: More than 100 plus user datum
• Position format: Lat/Lon, UTM/UPS, Maidenhead, MGRS, Loran TDs and other grids, including user grid

• Acquisition times:
  • Warm: Approximately 15 seconds
  • Cold: Approximately 45 seconds
  • AutoLocateâ„¢: Approximately 5 minutes
  • Update rate: 1/second, continuous
• GPS accuracy:
  • Position: < 15 meters, 95% typical*
  • Velocity: 0.05 meter/sec steady state
• DGPS (USCG) accuracy:
  • Position: 3-5 meters, 95% typical*
  • Velocity: 0.05 meter/sec steady state
• DGPS (WAAS) accuracy:
  • Position: < 3 meters, 95% typical*
  • Velocity: 0.05 meter/sec steady state
• Dynamics: 6 g's
• Interfaces: RS232 with NMEA 0183, RTCM 104 DGPS data format and proprietary GARMIN
• Antenna: Built-in quadrifilar, with external antenna connection (MCX)
• Differential: DGPS (USCG and WAAS capable)

• Basemap: Detailed basemap with cities, highways, interstates, exit info, rivers, lakes; Preloaded with worldwide cities, navaids, Americas and U.S.A. tide data.
• Uploadable Maps: Accepts up to 24 megabytes of downloaded map detail from a variety of optional MapSource CDs.

• Accuracy: + 2 degrees with proper calibration (typical); + 5 degrees extreme northern and southern latitudes
• Resolution: 1 degree

• Accuracy: 10 feet with proper calibration (user and/or automatic calibration)
• Resolution: 1 foot
• Range: -2000 to 30,000 feet
• Elevation Computer : Current elevation, resettable minimum and maximum elevation , ascent/descent rate, total ascent/descent, average and maximum ascent/descent rate.
• Pressure: Local pressure (mbar/inches HG), 12-hour automatic pressure trend recording.

• Size: 2.7"W x 6.2"H x 1.2"D (6.9 x 15.7 x 3.0 cm)
• Weight: Less than 1 pound (454 g)
• Display:
  • 1.6"W x 2.2"H (4.1 x 5.6 cm)
  • 180 x 240 pixels, high-contrast
  • FSTN with bright backlighting
• Case: Fully gasketed, high impact plastic alloy, waterproof to IEC 529 IPX7 standards
• Temperature range: 5°F to 158°F (-15°C to 70°C)
• User data storage: Indefinite, no memory battery required