That was it! Thanks, Booxtor! (Although several months ago, I was reading the Onyx INternational discussion board, and failures of the capacitive buttons seemed to be common in the M90.) I confess I have been babying my device. I was freaked out by the reports of unreliability of the M90, and this seemed like the beginning of the end. When the control buttons failed during a bar review session, I was very upset.
Booxtor, would you upgrade to the M92 from the M90, if you had no mechanical or physical failures of the unit? (The software/firmware aside - I've adapted to its idiosyncrasies.)
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