12.Operation(CW,RTTY,SSB)
3CX3000A7 has a directly heated filament as a cathode.
After turned on power, you have to wait only a few seconds to transmit if tuning is done.
During the OPERATION switch on, servo-motor works to tune automatically if you
change band.
(If OPERATION switch is off, KL-1 is not tuned automatically.)
You can not transmit until KL-1 is tuned.
(STBY lamp is off during tuning period.)
When tuning is done, STBY lamp gets GREEN. Now you can transmit.
(Note)
If you need to move FINE TUNE for adjustment, reduce driving power to about
50W.
Above action should prevent the moving contact of the variable inductor from
getting deteriorated by high power and large current.
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Summary of Contents for KL-1
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