The Hull Truth - Boating and Fishing Forum

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-   -   M260 inhull problem (https://www.thehulltruth.com/marine-electronics-forum/616746-m260-inhull-problem.html)

morphs 08-30-2014 03:15 AM

M260 inhull problem
 
I am trying to install M260 transducer. I have tried different locations. And everywhere there is a problem with 50 Khz. 200 khz works just fine.

Any ide what could be wrong ?

Point Consults 08-30-2014 05:49 AM

What kind of "a problem"? stopped, at speed? What happens when you hang it over the side (out of the tank)?

morphs 08-30-2014 07:01 AM

Its ok when tranceduser are outside at sea. The picture is the same if the boat moves or lay still. Track of bottom only works " little" and that is only at deephts less than 20 meter.
Could hull thickness make problems for 50 and not 200. Echosounder is a few years and the transeducer is new.

semperfifishing 08-30-2014 09:28 AM

What sonar are you using?

morphs 08-30-2014 09:50 AM

Iam using airmar m260 with lowrance hds gen1.

VanW 08-30-2014 10:05 AM

I have a similar problem with mine, I think the transducer has failed. But if your's works good outside the boat then I guess it's a installation/hull problem.

VanW 08-30-2014 10:06 AM

Mine is Raymarine and a DSM 300 though. I'm getting a tm260 I'll know soon.

semperfifishing 08-30-2014 10:17 AM


Originally Posted by morphs (Post 7061804)
Iam using airmar m260 with lowrance hds gen1.



In hull transducers can loose up to 30% capabilty plus other issues due to the hull paramaters.

The HDS Gen 1 fires 250 watts...and the M260 does best when at 1000 watts due to hull issue / losses etc.
Not saying this is your issue ..just putting the information out for consideration.

morphs 08-30-2014 10:21 AM

So if I change my sonar too a new simrad unit it would work better?


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