I wanted to hook up my 2970n2 to my Amp supply lk500 amp. In order to key the amp with the 2970n2 I was told to use the relay jack in the back of the amp. I ran a jumper from the relay jack to the inside of my D-104 and connected the ground from relay to the shield in mic and the positive side to transmit in mic. The amp did key up but when I went to unkey the mic the radio stayed keyed. I disconnected the mic from the radio hoping the radio would go back to receive mode but it stayed key...
RCI-2970N2 won't unkey
RCI-2970N2 won't unkey