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The factory depth finder in my new to me 06 185 Sport is way off. Its an in hull transducer, so there's no adjustment to be made there. Is there some sort of calibration process needed, or does it just need to be replaced?
Found a manual for the HDR600, it has keel offset adjustment, but its range is only +/- 10'. That wouldn't come anywhere close to calibrating out an error of hundreds of feet.
Agreed.I’d say the sonar head, or transducer is dead.
What about when you in more shallow water? Does it show 10 feet or 20 feet of water, or does it always show 500 feet?Like showing 500' when the known max depth of the lake I'm in is around 100' during normal pool.
No smart gauges, just a digital read out display in a 2" gauge size format with an in hull transducer. It has some settings for depth alarms, wasn't sure if there was a way to calibrate it using the 3 buttons it has - (UP arrow) (SET) (DOWN arrow) - I believe it's made by Humminbird, possibly the HDR6xx line, but not at the boat right now to confirm.
Didn't pay a ton of attention because we know the lake well, but one cove that we know should be about 10-15' was showing 200'. There were a handful of times where it apeared to be right, or close to it, but most times way off. Didn't seem to make a difference if we were moving, or staionary.