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Backup battery test

Ron B.

Well Known Member
I was having trouble getting to test my backup. Closing main power , the test button would display but only in a gray color, not white like the power on/power off buttons. Pushing it would do nothing.
I finally reached out to Dynon and they quickly responded with I should to a zero pressure airspeed calibration. He said it would not take much of an airspeed reading to have the Dynon Skyview think it was flying and prevent the test from taking place. After reading this I remembered seeing a small amount of airspeed fluxuating on the screen (ceiling fans?)
Went back out to the hangar and airspeed read zero and test was completed.
Might help someone out that is doing the test outside.
 
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