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Depth Gauge not working

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I just bought a 2017 Regency. It has a Lowrance Gen3 on it. The sonar seems to work, but I dont use it. But the depth gyase does not seem to work it just shows ----. I'm also suposed to be able to set the mode on the Tach to display depth in the digital readout section. That is also blank. Is there a reset or calabration that needs to be done?
 
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Found out the depth gauge does work but not till the boat is moving at about 15mph. Wondering if the angle of the planed boat changes this. The sensor is mounted flat but wonder if changing the angle will help? Anyone every have this issue?
 

PlanB

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My Garmin chart plotter will sometimes have issues with depth readings. If I adjust the angle of the sending unit on the back of the boat it fixes the issue. Rough water will sometimes push it too far up, causing it to not work. I would bet it is the angle of the sending unit.
 
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Should the depth gauge read anything when its on the trailer? Wondering if I can do any testing out of the water
 

RichL

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Should the depth gauge read anything when its on the trailer? Wondering if I can do any testing out of the water
No. Needs to be in the water or in a similar liquid to create a read.
 
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