[CA] Ray 430 Loudhailer Problem

I can no longer transit a hailer message or communicate both ways in the intercom system of my Ray 430 Loudhailer.

I can receive sound from all stations of the intercom system on the "listen" setting. I can hear a click when I depress the PTT switch on the mic, and "talk" appears on the screen when I depress the PTT switch while in "Hailer" mode. There is, however, no sound output from any of my speakers.

All of my "Fog" settings operate and transmit the appropriate signals through all of my selected speakers.

I suspect a problem with the mic.

Your advice?

Gerald Rouillard