HI Gordon-- I run a KPA 500 remotely and have the same problem some times. But there's a big green bar at the bottom of the utility that sez "power on". That should be your first indication. But its hard to know what's going on at the remote site. I use a 'remote rig' setup to run the radio and the COM1 port to talk to the KPA 500 and for power on and off I use a set of contacts from a microbit webswitch to toggle a short across pin 12 on the ACC plug on the back of the KPA --and that's the same as pushing the power button. The webswitch is very reliable and I use if for other stuff like switching a fan in the transceiver box, KAT500 power and a couple of coax relays. Here's a webpage with some of the info: http://www.valhallatreefarm.com/WB7ELY/kpa500/kpa500.htm //dave WB7ELY
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