arc8

I just updated the firmware fine, and would like to try to use Arc8 to program some Alpha tags and such. My problem is whenever I try to send or read the data from the scanner, it says Data 34 Reading trunk type failed. I have the scanner set to remote mode yet it still is not working I have...

I have a bearcat bct8 and i have arc8 software and ofcourse a prem subscription with The RadioReference. I also have just a generic USB to SERIAL cable i purchased on ebay. The cable is connected and then I hold down the remote button and I CAN NOT GET ARC8 to find my scanner. Can anyone please...