[ICOM] No audio/ RF out on 60m ic-756Pro3

[WA2CLX]

Good day group,

I've been trying to run JT65 and or USB on 60m with no luck. I have a 
late serial number IC-756Pro3 which is supposed to allow operation on 
the 60m channel allocations.

I think I've set the frequency right per the manual (dial frequency on 
an approved channel). My radio goes into transmit mode but no audio and 
therefore RF out with either the mike in USB mode, or computer audio in 
for JT65.

Receive bandwidth at 3KHz, and transmit bandwidth set from 100 to 2900 
Hz (wide).

All works fine on all the other bands.

Wondering what I'm missing in terms of setups?

Thanks for your ideas and suggestions.

Phil, WA2CLX