GPSMAP 546S Combo - Includes dual frequency transducer

Even in bright sun, it is easy to see the clarity of the GPSMAP 546. These brilliant 5" VGA displays give you a sharp, clear picture, and the fast processor makes for smooth panning and screen redraws as you scroll. Plus, these waterproof units have a high-sensitivity internal GPS receiver, so mariners will alays know their position at sea. They are ready to go with built-in BlueChart g2 marine cartography of the coastal United States - including Alaska, Hawaii, and Explorer Chart data of the Bahamas. Mariners can navigate the waters with ease knowing that these new units include Garmin's proven easy-to-use interface design.

Features and Specifications:

• Bright, crisp 5" diagonal VGA display, 480 x 640 pixels - over 800 nits of brightness
  
• NMEA 2000 certified for seamless integration with the Garmin marine lineup
  
• Preloaded with charts for over 14,000 U.S. lakes and navigable rivers
  
• Compatible with GXM 51 for XM Satellite Radio and XM WX Satellite Weather
  
• Built-in high-sensitivity GPS receiver
  
• High-speed processor for fast screen redraws and smooth panning
  
• Streamlined user interface makes it simple to select modes and features
  
• Single SD memory card slot for BlueChart g2 Vision cards, as well as saving waypoints, routes and tracks to an SD card
  
• Optional BlueChart g2 Vision cards provide marine chart detail and enhanced navigation features like Auto Guidance, satellite imagery, 3-D Mariner's Eye View and 3-D Fish Eye View
  
• Backlit keypad for easy operation in low light conditions
  
• Auto-dimming display
  
• Unit dimensions: 5.9"H x6.4"W x 2.9"D
  
• Power output: 500 watts (RMS) 4000 watts (peak to peak), dual beam xdcr, 1000 watts (RMS) 8000 watts (peak to peak), 1kW xdcr
  
• Depth: 2000 feet/600 meters (dual freq. 1kW xdcr), 1500 ft (dual freq. 500 kW xdcr)
  
• Dual beam transducers - choose 50 kHz (45 degrees), 200 kHz (10 degrees) or 50kHz (19 degrees), 200 kHz (6 degrees) for maximum freshwater performance
  
• Patented transom/trolling mount transducer
  
• UltraScroll high rep rate sonar provides lightning-fast screen updates
  
• AutoGain technology enhances target visibility
  
• See-Thru technology shows weak and strong returns simultaneously
  
• Water temperature log graphically records water temp data
  
• A-scope
  
• Whiteline
  
• Adjustable depth line helps gauge desired fishing levels and bottom clearance
  
• Split zoom display offers a closer look at fish targets and bottom structure
  
• 2X, 4X, and bottomlock zoom
  
• Adjustable keel offset
  
• Alarms for fish size, shallow water, deep water, and low battery