
02-24-2011
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Junior Member
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Join Date: Feb 2010
Location: Hungary
Posts: 17
Rep Power: 0
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If you need to fill the hole, I suggest you first install (with sealant and screws) a piece of teak plank (or whatever, but teak doesn't look cheap) over the hole, then install the instrument. This can look really nice and should take care of not letting water to the back of the instruments.
As on the brand, I don't think that there are lot of differences for depth sounders with the popular brands. I depends, I you would later want integrated instrument. If yes, then choose the brand accordingly, sometimes it is a pain to integrate different brands (but then again, a depth instrument is very simple in this respect.)
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