Question about Humminbird Piranhamax 220 Fishfinder
If you are 'testing' the unit by holding the right button and pressing power, the pmax units really don’t work
with the internal test. What you are seeing in the test is what th humminbird factory computer
test used to test it. That is really not intended to be used outside of the
plant. If it works fine in normal mode then I would say that the unit is fine.
Best of luck!
Posted on Sep 27, 2009
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Posted on Jan 02, 2017
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