Bruce,
The most probable answer is that you are not driving sufficient audio
into the K3. You must have 4 bars solid on the K3 ALC meter with the
5th bar flashing - this is the NO ALC point for the K3, ignore the
internet advice which applies to non-Elecraft transceivers.
The fact that you can hear the signal says it is getting to the K3, but
says nothing about the level.
Adjust the soundcard slider in your computer to about 75%.
Make certain the Navigator is set for Line Level output and not MIC level.
Then you should be able to adjust the K3 MIC Gain (really Line In gain)
to achieve the required number of ALC bars.
You can do that setup in TX TEST so you are not generating RF, or
connect the K3 to a dummy load.
Once you achieve the proper audio level, set your desired power level
with the POWER knob.
73,
Don W3FPR
On 1/14/2017 9:00 AM, Bruce Miller wrote:
I’ve been working in vain over the past few days to get my K3 up and running
digital modes (other than CW). Several years ago I had things working with a
Navigator interface and my 756 Pro II, but it got fried by a lightening strike
and I’m just now trying to get things working again.
Here’s my setup:
Full K-Line (K3)
MicroHam MicroKeyer II
Heil ProSet Plus (non-ic version)
DXLab software (but I’ve tried FLDigi and several other programs as well with
the same results)
Symptoms:
CW transmit and receive works well, both from the key and the software
On other digital modes and voice, transmitter keys properly, but no power is
transmitted
The signal is making it out of the MicroKeyer interface (I plugged the cable
that normally plugs into the Line In on the K3 into speakers and could hear the
signal coming from the computer and interface)
The signal is making it into the K3 (By enabling the MON, I was able to hear
the signal through my headphones attached to the K3)
Using the K3 utility, I can transmit in CW, RTTY and PSK
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