You don't need a computer. Just hold the Freq button (that's both of the two upper-left buttons held as one) and "type" the freq using the numbers on the right. Cli-cl-cl-click you're there, and your antenna is tuned. Dan / WG4S / K2 #2456 <snip> My K2 has no KIO, so I am stuck thinking like a caveman. </snip>