While transferring the settings, I came across some interesting stored data. The INT function records the total time that the Tx has been switched on (up to a max of 99 hours and 59 minutes). Of course, this includes both flying time and any setup time. My "old" RDS8000, which I have used less frequently because of a crack in the antenna housing, registers as having 22 hours 59 minutes of use. The "new" RDS8000 (the one that just failed) registers 75 hours and 5 minutes of use.

Now I'm curious whether I can get power restored to the older failed RSD8000 and check how much time was on that Tx before it failed.

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Old failed RDS8000 total time: 99 hours and 59 minutes. Hmm...so that's the max and apparently it doesn't reset itself so all this tells me is that it had been in use AT LEAST that amount of time. (Apparently, the point of this function is to be able to track Tx battery use by manually resetting it each time the Tx battery is charged).