The K3 is supposed to send a command to the P3 to tell it whether it is in transmit or receive mode. Apparently sometimes that isn't happening for some reason. It could be an intermittent RS-232 connection between the K3 and the P3 or perhaps some software running on a PC is overloading the RS-232 with tons of commands.

Alan N1AL


On 11/24/2015 08:55 AM, Bud Governale wrote:
I noticed this weekend that occasionally during transmit instead of the
scan freezing in place it would continue scanning showing only my
transmit signal with only that signal appearing in the black waterfall.

I don't have the P3TXMON. It never did this before.

I was viewing the external SVGA monitor.

Any idea why?

73,

Bud W3LL





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