David:
Unlike most of the people on this mailing list, my CW sending skill is very
poor. So I have bought a paddle and am practicing regularly. One thing I
have found with my K2 (S/N 5492) is that the CW test mode will sound a
continuous note with both paddles pressed. This happens intermittently and
in mode A or B. I have been using speeds around 15 to 20 wpm.
The answer is to set the power down to minimum and use a dummy load - which I
have been doing and the problem hasn't happened. I suspect its a firmware
issue since the display is being a bit more active than usual flashing the
'c' character, than when normally transmitting.
More an observation than a problem that must be fixed.
Check to see if you might have AUTO DETECT enabled:
Auto Detect can be turned off if desired. Find the INP menu
entry, the parameter, then tap DISPLAY to select ADET OFF.
With A DET enabled, if you happen to manage to close BOTH the DIT and
DAH paddles at precisely the same time, the K2 'thinks' it has an
external (non-paddle) keying device attached (as shown in the Fig 8-1
illustration in the most recent K2 manual (page 95) and will generate
to continuous output carrier (and sidetone) until the paddles are released.
Cheers,
Tom Hammond N0SS
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