For never fully understood reasons, there have been instances of parameters being over written when doing a major update. It is a good idea to save ones that would be difficult to replace such as Fuel level calibration, K-factor, and Hobbs time.
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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