This will always be that "problem" when the K3 PTT-KEY menu item is not
set to OFF-OFF.
If you need to use those functions from the computer port, do as others
have indicated, first turn on the computer, let it run its startup
diagnostics, and then turn on the K3.
If you need to do otherwise (to re-boot the computer), then put the K3
into TX TEST until the computer completes its boot and diagnostics,
It does not matter whether you are using a real serial port or a USB to
serial adapter, the result will be the same - the computer "wiggles"
those serial port lines during its boot diagnostics.
Other than appealing to Microsoft and Apple to change that behavior, I
don't see another alternative available.
73,
Don W3FPR
On 11/12/2015 7:35 PM, Bob McGraw - K4TAX wrote:
Start the computer first and let it completely boot. Then turn the
radio power supply on and then the radio. The computer will then
recognize the USB port and connect accordingly. When shutting down,
radio first, then radio power supply, then computer.
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