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Originally Posted by sailphoto
Another way to do a quick test on a shoot thru transducer is to fill a ziplock baggy with water and hold the transducer against the hull through the bag. If you can find a spot low and ahead of the keel it will usually give you a good angle. Anchor or hang on a mooring, measure the depth with a leadline and check what the transducer tells you. Remember that some depth sounders may need some manual calibration ( refer to the manual). Do this in varying depths until you are confident that it is working. Mount the transducer and repeat to confirm calibration.
Ditto! The ziplock works like a charm.
You cant have any air between the puck and the hull. When I installed mine I thickened the epoxy slightly then used duct tape to hold it in place until it dried.
Last edited by Sabre66; 04-08-2007 at 12:28 AM.