I'd be surprised if a transducer can be damaged by sticking it to the
hull. If it's not working when you hold it the water, it's not working
at all. Either a bad transducer, bad unit, bad wire or bad connection.
I'd simply take it back and tell them it's not working and you want
another one just like it.
Howard
On Jun 19, 2006, at 1:28 PM, Rick Langer wrote:
I'm having trouble getting my new Garmin Fishfinder 140 to work
properly. It came with a transom mount transducer which I siliconed to
the center of the lowest plank in the aft port cabin locker (a good
place I thought). When I do get a reading, it seems to be accurate as
measured against a handheld depth meter and other boats, but the
problem is I don't always get a reading (just shows zero indefinitely)
or I initially get a reading which doesn't change as the water depth
changes. On the Chesapeake Bay Cruise I used it for more than a few
hours and it either read zero for long periods or read accurately for
only a short time. I finally gave up on it.
Today I popped it off. The silicone seal seemed tight with no air
gaps. I went to the river and while using silly putty I couldn't get
any reading (other than zero) from it, trying 6 or 7 different spots.
I put it over the side with the silly putty still on the transducer
and got no reading. I cleaned the putty off and put it over the side
and got accurate readings once it started to register. Registering
took from 10 seconds to sometimes minutes and a few times never showed
anything but zero after being on many minutes.
Before I go to Garmin, who will probably tell me I ruined the
transducer trying to silicone it to the floor, I thought I'd pass it
by you smart folks.
Thanks,
Rick Langer
M15 #337
Bluebird
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