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iEFIS Hobbs reset to 0 on power off/on

Posted: Thu Aug 26, 2021 9:41 pm
by Paul Hamilton CFI
I have an iEFIS light (small size) and each time I turn the power off the hobbs meter keeps resetting to 0 and the Transponder resets to 4546. Typically these hold there last value. How do I get them to keep the values?

Re: iEFIS Hobbs reset to 0 on power off/on

Posted: Thu Aug 26, 2021 9:58 pm
by sparxfly
Replace the CR2032 backup battery.