Average Reviews:
(More customer reviews)The unit has a nice clear screen that shows up well in any light conditions. I have the same problem with this unit that I had with my handheld Garmin. The Inland Lakes software does not properly show the location of the boat. It will display the boat skidding along on dry land when you are 200ft. off shore. This seems to be a problem with the way the software interacts with the unit. If you save the track to a computer, open Inland Lakes there, it will always show the boat in the water. Trying to explain this to Garmin support is like talking to my cat. I have had a lot of Garmin products and they work well for the most part, but, support is almost nonexistent.
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Product Description:
GPSMAP 431S Chartplotter Combo - Includes Dual Beam Transducer
Features an ultra-bright 4" QVGA display along with an improved high-speed digital design for faster map drawing and panning speeds.Plus, these waterproof units have a high-sensitivity internal GPS receiver, so mariners will always know their position on the water.They are ready to go with built-in cartography for inland U.S. waters (over 14,000 lakes) and Garmin's proven easy-to-use interface designed to help you navigate the waters with ease.
Features and Specifications:
Ultra-bright 4" diagonal QVGA display, 240 x 320 pixels - over 800 nits of brightness
Preloaded with charts for over 14,000 U.S. lakes and navigable rivers
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
Unit dimensions: 5.0"H x 5.7"W x 2.7"D
Power output: 400 watts (RMS) 3200 watts (peak to peak), dual beam
Depth: 900 feet/300 meters (dual beam)
Use a dual frequency transducer 80 kHz (45 degrees), 200kHz (14 degrees) for maximum saltwater performance
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
Round flasher display mode
Whiteline
Adjustable depth line helps ga
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