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Procedure to troubleshoot Garmin intermittent sonar?

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Procedure to troubleshoot Garmin intermittent sonar?

Old 08-07-2020, 07:33 PM
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Default Procedure to troubleshoot Garmin intermittent sonar?

Hi........new to me Contender and I'm not ready to upgrade yet, so I'm trying to limp along with a M260, GSD22, and 5212. Mostly I get flashing depth and the loss of sonar message. The tank is full of antifreeze and I checked all connections. How do I isolate which unit is the problem?

Can I plug the M260 directly into the back of an EchoMap 64cv to test the ducer?

Thanks...........
Old 08-07-2020, 07:55 PM
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Start with removing the GSD 22 ....and get a GSD24.
Old 08-08-2020, 04:56 AM
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Originally Posted by semperfifishing View Post
Start with removing the GSD 22 ....and get a GSD24.
Old 08-08-2020, 06:19 AM
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That's what I was afraid of..........no sense spending money on old stuff. I eventually want to go all Furuno anyway.

Can the M260 be used with any brand sonar, or is it specific to Garmin.

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