I decided to use an external keyer temporarily to get around the no-sidetone while using VAC issue. When I get the case properly grounded and the balanced audio lines decoupled I will return to the on-board keyer and sidetone. However, when I made the switch, even though the external keyer sidetone ...

I decided to use an external keyer temporarily to get around the no-sidetone while using VAC issue. When I get the case properly grounded and the balanced audio lines decoupled I will return to the on-board keyer and sidetone. However, when I made the switch, even though the external keyer sidetone ...