The Garmin echoMAP 50dv has a 5-inch display, which provides VGA-quality imaging. Built into the echoMAP 50dv is Garmin’s trademarked High-Definition Identification target tracking technology. Better known as HD-ID, it provides a super clear image of the area under the boat. Garmin echoMap 50dv combines HD-ID with the DownVü scanning sonar, which provides a virtually photographic view of structure in the water.
The built-in GPS receiver on the Garmin echoMAP 50dv has a speed of 10 Hz which allows it to update position 10 times a second. The higher update frequency results in more fluid boat movement display. Also included is sonar-recording capability for coor









