Jerry,
That is "just another data mode" to the K3.
First, you may be better off using DATA A submode rather than USB
because the compression is automatically set to zero and the TX EQ is
set flat. That allows you to set your SSB compression and TX EQ as you
wish for voice modes.
Like all other K3 DATA modes (driven by whatever applications), you must
drive the audio as indicated in the K3 manual. You should have 4 bars
illuminated on the ALC meter with the 5ht bar flashing.
Set the computer soundcard speaker slider to about 75%, and plug the
soundcard output into LINE IN on the back of the K3.
With the K3 set to DATA A mode, set the K3 MIC SEL to LINE.
You can do the following adjustments in TX TEST mode so you do not
produce RF.
Then do a Transmit from the computer application and adjust the K3 MIC
GAIN (now LINE IN gain) to produce 4 bars solid with the 5th bar
flashing on the ALC meter.
Adjust the power level desired with the POWER knob.
Ignore the advice for other transceivers which tell you to set the power
for maximum and use the audio level to control the power output - the K3
is different, and the use of that "advice" will produce exactly the
situation you describe.
73,
Don W3FPR
On 1/17/2017 7:56 PM, Jerry wrote:
Hello,
I am using my K3, KAT500 and KPA500 in an MARS environment and I am having
this problem. We use the M110A data mode to transfer messages between
stations - sort of like FLdigi only the mode is not legal on amateur
frequencies.
When I use the M110A (Signalink is the interface and USB) I have noticed
that the output in the KAT500 slowly builds up as the transmission
continues. It is really noticeable when I have the amp engaged. The power
output seems to start at some low level (no lights) to full output in about
five seconds of continuous transmitting (SSB). I originally suspected that
it might have something to do with the KAT500 functionality , but I don't
think so now because the condition existed even when I put the tuner into
bypass.
Any ideas?
Jerry, W1IE
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