Peter R. wrote:
Will pulling the unit from the power supply cause it to revert back to its
factory-set defaults?
Why would that be any different from shutting off the master?
When my unit was pulled and repaired by Garmin (which reverted all settings
back to their defaults), the avionics shop had to recalibrate my GNS480
with the HSI.
Garmin must have reset it.
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