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I have had a little fogging in my brand new Humminbird Matrix 12 but the screen cleared as soon as the unit warmed up. I store the head in a a gear bag and there could have been some significant differences in temp and humidity that needed to get adjusted.
I have experienced a bigger problem the last couple of trips however and I wonder if anyone else has seen this one. The unit works fine for a while and then suddenly shows the depth to be 1.2 ft., the same reading that I get when the FF is turned on out of the water. Restarting the device does not fix anything but after a while, for no apparent reason, it works again.
The only thing that I can come up with that may be a contributing factor is that the problem seems to occur when I pass over the canyon with depths of 500 feet or more. When I get back to 100 ft. depths, the thing works again.
This unit has a max depth of 800 feet. My previous, less expensive Hummingbird unit never had this problem. I called Humminbird and they suggested that I set the max depth to the range where I typically fish. Currently I have it on auto. I will give that a try with a 200 ft. max.
Has anyone else experienced this problem.
Bob
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