TRX frequency offset with -S parameter

[oe9fwv]

I am trying the latest beta firmware with my K3 in Pactor mode.
Like in a former try I encountered a problem, when I activate the -s
Parameter in DATA A USB mode.
My transceiver is sending 2.5 kHz higher than the dial display says.
With the first try all was ok. Then I started to try different PTT RLS settings,
and suddenly my automatic tuner did not tune anymore. I discouvered that
the signal out of my K3 was broad and distorted.
I switch off and on, the signal was clean again and the smartuner did his job,
but now the frequency offset appeared.

73! de Werner OE9FWV


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[oe9fwv]

oe9fwv wrote

I am trying the latest beta firmware with my K3 in Pactor mode.
Like in a former try I encountered a problem, when I activate the -s
Parameter in DATA A USB mode.
My transceiver is sending 2.5 kHz higher than the dial display says.
With the first try all was ok. Then I started to try different PTT RLS settings,
and suddenly my automatic tuner did not tune anymore. I discouvered that
the signal out of my K3 was broad and distorted.
I switch off and on, the signal was clean again and the smartuner did his job,
but now the frequency offset appeared.

for the reference of you all who are interested in this mode.
the mystery is solved - the culprit found:
We found out that a frequency offset is introduced, when I choose a different filter for receive than the default 2.7 or 2.8 filter. There is a bug in the firmware when using the -s command and Lyle and Wayne are working on it. For me pactor and other ARQ data modes work very well when I do the following:
disable all filters for data modes in Filter configuration of the Utility program except the 2.7 or 2.8 filter
or choose the 2.7 resp. 2.8 kHz filter for receive.
choose -s for data modes
use PTT RLS of 20 in configuration menu.
mni thanks to Dave, Brendan, Lyle and Wayne for the help in finding the cause for the problem and solving it.

73! de Werner OE9FWV