[ct-user] CT939 band control problem
Ron Stordahl" <email@example.com
Tue, 16 Feb 1999 23:10:45 -0600
My configuration is to use COM2 for rig control and COM1 for TNC. Radio is
Lets say I am on 40 and radio and CT are in agreement on this. If I enter
ALT-F2 to switch to 20 what happens is that the radio switches properly to
20, but the display in CT switches to 20, then back to 40, then back to 20
where it stays. Now if I enter ALT-F1 to switch back to 40 it properly
switches the radio to 40, but CT displays first 40, then 20, then back to
40. While this is occuring the band map follows the same pattern.
Surprisingly if instead of COM1 for TNC I use the DRSI interface instead,
then everything works, both the receiver and the indication of the band in
CT switches just once.
I do not use antenna switching from the parallel port, but I suspect that if
I did it would also oscillate between the two bands, which would be quite a
I don't think this problem existed in revision 9.37 or 9.38.
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