ar8600mk2

I got a NOS CT8200 plugin card for my AR8600mk2. I've followed the instructions ensuring the card is plugged into the correct spot as labeled on the back of the radio. However, when I try to access the Options menu, it just gives me a "bonk tone" instead of showing me a menu system like the...

Hello all. I just bought a new to me AR8600 MKII. I have it all hooked up, programmed and running. It's a FANTASTIC wideband receiver. For digital voice, I am taking the IF Out connected to my AOR AR-DV10. In order for this to work, the 8600 must be in WFM mode. The documentation states...