K5ED Ed -
CW/RigCtrl Works fine with Vista.
Ordered CAT/CW keying cable Sunday on ebay, it was in my mailbox on Friday. Connected it to 746PRO rig ctrl and key ports and to serial/USB adapter (Rosewill RCW601 purchased from Newegg for $10). Plugged adapter into Dell PC and let Vista look for and install driver. Turned rig on and set ports and pins (DTR cw keying, all other pins hi) in Hamscope program. CW and rig control immediately worked fine, no problems with this product. 73, Ed, K5ED
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