PTT for T?R control

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I'd like to know how I can get low transition on one of the pins on the DB9 on back of the Odyssey TRX - so I can use that to control a T/R switch. I put my meter across all of the pins(one by one) - and pressed PTT in Quisk - but the level did not change on any of the pins. I'm running Ubuntu 14.04.


David Fainitski

Hello, Sherrod

If the yellow led on front panel is light when you tap TX - all OK.

Best regards/