Question about Garmin GPSMAP 172 GPS Receiver
SOURCE: Sonar Problem
Try a soft reset first, if that doesn't correct it try a hard reset. BE SURE and Save Data before th eHard Reset, it clears all waypoints and such.
Soft Reset Hard Reset
LCX 15mt Reset 1. Turn unit OFF 1. Turn unit OFF 2. Press and hold the PAGES key 2. Press and hold the ZIN&ZOUT Keys at the same time 3. Press and hold the PWR key 3. Press and hold the PWR key 4. Release both buttons when the USA map appears 4. Release both buttons when the USA map appears
Posted on Aug 29, 2008
Sounds very much like the wiring plug connections in the back, always overlooked but so important that connections are tight and contacting.
Posted on Aug 13, 2009
Sounds like the transducer is installed at the wrong angle or in such a way that it is getting a lot of air from something on the hull. If it is a transom mount, check that it is angled correctly and not too close to the motor or aft of some kind of thru-hull fitting that will cause turbulence.
Posted on Aug 22, 2009
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