hooked up a Heil Traveler Headset to my Kenwood TH-D74 HT getting it ready for the Miramar Air Show next month. It was flaky and did strange things. Think it is related to some obscure setting somewhere. gotta be a COMPUTER GENIUS to navigate all these menus and junk! Here is a transcription of the test transmission made on the ARC of El Cajon repeater about 4AM "HELLO RAT HELLO MOUSE HELLO RAT!!! HELLO CAT HELLO RAT HELLO CAT"