Larry Dighera wrote: > Given the SG-500's ALC control signal is +1 to +5 VDC, and the Kenwood > TS-480HX's ALC signal expects -7VDC, how have others interfaced these two > pieces of equipment? I don't know, but a 9 Volt battery might do it. -- Ron KA4INM - Youvan's corollary: Every action results in unwanted side effects.