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Old 07-21-2010, 11:33 AM
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Default RE: Airtionics Radiant radio programing

I can't be sure but I would guess that this Tx is one of the older ones that required a "keep alive cell" to maintain memory while the Tx is turned off. You can take the back off and look for a coin sized button cell soldered into a circuit board. It probably needs replacing.
I ran into the same situation with a fifteen year old AT Quasar Tx and replacing the button cell returned the Tx to proper operation.