I am using DX4WIN version 6.04 with Windows XP and an ICOM 756 Pro II. The Pro II is connected to the computer thru a homemade CI-V interface on COM3.
I recently added my SteppIR control box to CI-V bus and turned on the "Transceive" option in the Pro II. This configuration works, but a few times the radio interface has stopped working thru DX4WIN. "Start Radio" will not get it going again. The Pro II is still sending out data because the SteppIR continues to track the radio. When the problem occurs, I have terminated DX4WIN and brought up the free program "Commander" to see if a different program can use the Com port to work with the CI-V interface. Commander does not communicate with the Pro II after the problem occurs. If I reboot XP, things are working again. Anyone have a suggestion as to what is causing this problem? 73, Paul K5ESW
