Garmin GPSMAP 531s Freshwater Chartplotter/Sounder Combo

The Garmin GPSMAP 531s Chartplotter/Sounder Combo has high-sensitivity GPS receiver and a powerful dual beam (80/200 kHz) transducer for determining position, depth contours, fish, and structure at depths up to 900 ft. and illustrating them on the bright 5" color display. It comes preloaded with US Garmin Lakes basemap data and is compatible with the NMEA 0183 network.

GPSMAP 531s Physical/Performance Features:
• 5" QVGA color display
• 234 x 320 resolution
• High-speed digital design for increased map drawing/panning speeds
• Split-screen sonar next to GPS with independent zooming
• Includes transducer, tilt/swivel mount, protective front cover, and power/data cable
• NMEA 0183 compatible
• Waterproof to IPX7
• Voltage: 10V - 32V DC
• Weighs less than 1.75 lbs.
• 5.9"W x 6.4"H x 2.9"D

GPSMAP 531s Mapping Features:
• High-sensitivity GPS receiver
• Built-in satellite-enhanced basemap with US Garmin Lakes map data
• Accepts more cartography via SD card slot
• Allows you to view 3D maps with the addition of Garmin Lake Vision maps
• Save up to 3000 waypoints/favorites/locations and 100 routes directly from your device
• Save up to 50 tracks and 10,000 points per track

GPSMAP 531s Sonar Features:
• Dual beam (80/200 kHz) sonar
• Transmit power: 400 Watts RMS
• Maximum depth: 900'
• Illustrates structures, fish targets, and bottom countours
• Ultrascroll displays fish targets even at high boat speeds
• See-thru technology exposes fish hidden in cover
• Fish Symbol ID identifies fish targets
• AutoGain Technology reduces clutter and enhances targets
• Whiteline shows you whether the bottom is hard or soft
• Adjustable depth line measures the depth of objects underwater
• A-scope shows you fish passing through the transducer beam in real time
• Bottom lock shows return from the bottom up
• Includes temperature sensor
• Logs and graphs water temperature

Other Features:
• Supports AIS for tracking target ships' positions
• Supports DSC for displaying position data from DSC capable VHF radio
• Audible alarms
• Tide tables
• Sun and moon information

Extra Features:
• Available with the addition of BlueChart g2 Vision or Garmin Lakes Vision SD cards
• MarinerEye View - 3D view of GPS maps
• FishEye View - 3D view of underwater data
• High-resolution satellite images
• Auto Guidance creates a marine route that avoids shallow water, buoys, and other obstacles