Sr. Citizen With Audio Problem Question, Please?

Hi,

Great program.
Thanks for making it available; really enjoy it.

Will blame my problems on “old age” now. Great excuse.

Updated to 1.64 on my Mac.
Works fine; sees my radio (Icom R8600).
Can adjust, or read, freq fine on the radio from the program.
But-

Can’t get any audio out.
Have all the Sliderrs uppermost.
Shows:
iMac Speakers for Audio Output
iMac Mic for Audio Input

These are the only choices available; no other options in the pull-down.

As usual, I’m missing something very simple.

What is the most likely cause, and what should I check, please ?
Very explicit what-to’s would be most appreciated.

Thanks,
Bob

Maybe try using a different audio system? Disconnect from the radio and then in settings/Radio select from the 3 available audio systems. 1 (or more) of them should allow you to select the radio audio output?

Thanks

Phil