John,
If you cannot find a signal generator, do you (or a friend) have a
transmitter that can produce a signal on 15 meters? If so (that is a
signal generator), run it into a dummy load and connect a wire "antenna"
to the K1 placed near enough to the dummy load to produce a signal that
you can hear.
Adjust the 15 meter bandpass filters for maximum response on receive,
and then further refine that adjustment using the K1 transmit, peaking
for maximum power (set the menu OUT parameter for 1.5 watts and exit
TUNE and reenter TUNE if the actual power exceeds 4 watts).
Once you have 15 meters working, then adjust the 20 meter bandpass.
73,
Don W3FPR
On 10/25/2013 5:52 PM, John Reed, W8DE wrote:
Don,
thanks for the tip. The problem was the band pass filter adjustment.
I don't have a signal generator that will cover K1's 15m reception. So when
I built the radio I only tuned it for operation on 20m. Recently I tried to
tuning the filters on 15m by tuning in W1AW code practice frequency, but had
no luck. I forgot that in doing that I had totally messed up the tuning on
20m.
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