Receiver: WAAS-enabled, 12 parallel channel GPS receiver
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Display: 3.8-inch diagonal, 480 x 320 pixel, 256-color TFT screen with adjustable LED backlight
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Unit dimensions: 5.7"W x 3.2"H x 1.9"D
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Waypoints: Stores 3,000 waypoints and 50 reversible routes
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Tracks: 10,000 point automatic track log saves up to 15 tracks
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Battery life: Rechargeable lithium-ion battery offers 4 to 15 hours of use (4 hours with GXM 30 and 15 without GXM 30)
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Water resistant up to IEC 60529 IPX7 standards (submersible in one meter of water for 30 minutes)
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Preloaded with U.S. marine detail charts utilizing g2 technology
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Built-in street navigation with voice prompts, using included cable and speaker
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Accepts the latest (optional) BlueChart g2 data cards
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Add optional GSD 21 for full-feature sonar capability
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Add optional GXM 30 antenna for XM WX Satellite Weather
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Provides tides and built-in celestial information
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NMEA 0183 input and output
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Removable quad helix antenna
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Single knob tilt/swivel mount
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