Quote:
Originally Posted by salty pirate
the amp scope goes blank like the in 3rd shot at about 110ft. I still get bottom readings, just no amp scope. the scope then goes back on once I get to about 90ft. I recorded about an hour of sonar through all different depths and the amp scope works at all depths when played back at home
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Ohhhh the horror!
Actually those screen shots are beautiful. Is there any chance you have a setting that's shutting it off at depth?
If not did you use the same transducer setup for both units?
The fact that both units had the exact same rather bizarre issue suggests that it's not the units themselves but either default setting they came with or a issue with the transducer install. Default setting seems unlikely because there's not a bunch of people with the same problem.
That leaves the transducer... I'd pull the transducer out of it's mount hook it to the unit direct then drop it over the side down away from the yak and see if it's still's a problem.