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External ATU control signal

BL7IB
BL7IB Member ✭✭
edited June 2020 in New Ideas
External ATU triggering

I wish to use an external ATU.   There is a wire to kick start the ATU to tune.     Is it possible to signal this wire from Flex 6400?

I notice that there are 3 PTT output at the back of FlexRadio.    If they are controlled by different GPIO lines, I hope newer version firmware would convert one of these PTT output for external ATU triggering.

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