[Elecraft] K3: PA and sidetone loss

Chris MØPSK chrism0psk at googlemail.com
Sat Oct 18 11:09:34 EDT 2008


K3 #328 was functioning correctly this morning, till suddenly two changes
occurred, neither requested. First, the power level in CW dropped
significantly - and on checking, I found that the KPA3 was in bypass mode.
Second, I lost my sidetone. Experiments with straight key, paddle and
keyboard CW program only produced short "dits". Finally, even the "dits"
disappeared, and I was left with no sidetone at all. Further checking showed
that the sidetone pitch had changed to 000. I reset the pitch to its usual
level, and all was well. Could these changes result from bugs in the
firmware? I am using the latest MCU 2.46 and DSP 1.92.

73 Chris, MØPSK
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