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Old 13 October 2007, 09:39   #11
Country: Other
Town: Oakley
Boat name: Zerstörer
Make: Ribcraft
Length: 5m +
Engine: Suzuki DF 140
MMSI: 235050131
Join Date: Jun 2003
Posts: 3,931
Originally Posted by bernithebiker View Post
Thanks, but not sure what a 90 is. Is that pre-178/498?
Heres a link to a 90. Its just a plain old fishfinder.

And a piccie below.
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Biggles is offline   Reply With Quote
Old 20 May 2008, 12:48   #12
Country: France
Town: quimper
Boat name: kai 2
Make: capelli
Length: 5m +
Engine: yamaha 100
Join Date: Jul 2006
Posts: 105
Just a quick follow up to this question of mine from last year.

Six months later, I have now worked out the problem.

It was just the main unit was set wrong for the transducer.

The transducer is dual frenquency, 200 and 50kHz, and the unit was set to just 200kHz. By switching it to Dual, the proble, and problem was completely resolved and I now have perfect depth readings at all speeds.

Just in case someone else had the same problem and couldn't work it out......

(By the way, I called Garmin's helpline, but they were as foxed as everyone else).

bernithebiker is offline   Reply With Quote

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