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Waypoints: 

• Total: 250 alphanumeric
• Nearest: 9 (Automatic)
• Proximity: 9 (Definable)

Routes:  20 reversible with up to 30 waypoints each, plus MOB and TracBack^™ modes

Track Log:  Approx. 2,000 points

Map Datums:  106

Coordinates:  Lat/Lon, UTM/UPS, Loran TDs, plus 7 grids, including Maidenhead

GARMIN detailed basemap:  Built-in worldwide to 64 nm (32 nm U.S.) with coastlines, rivers, lakes, political boundaries, plus major cities and highways

Data Cartridges:  Micro G-chart^™ cartridges with inland water and Navionics offshore cartography for seamless, detailed mapping and worldwide coverage (optional)

Plotting Scales:  1/8 to 4096 nm with dedicated push-button zoom control

Display Options:  Auto bottom tracking, auto ranging, 4 zoom levels, split screen feature, and 3-level fish ID    

Alarms:  Fish and shallow/deep water

Receiver:  Differential-ready 12 parallel channel receiver tracks all satellites in view

Depth Sounder: 

• Frequency: 200 KHz
• Transmit Power: 400 watts (RMS); 3200 watts (peak to peak)

Acquisition Times: 

• Warm: Approx. 15 seconds
• Cold: Approx. 45 seconds
• AutoLocate^™: Approx. 5 minutes

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:  6g's

Interfaces:  NMEA 0180, 0182, 0183 and RTCM 104 DGPS corrections

Antenna:  GA 28 Remote Marine Mount with 30' cable

Size:  6.18" H x 6.30" W x 2.64" D (157mm x 160mm x 67 mm)

Weight:  28.8 oz. (817g)

Display:  5.5" diagonal (141mm) high-contrast, 4-level gray LCD with backlighting (160 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)

Source:  6-40 VDC

Usage:  10 watts max.

Specifications are subject to change without notice.