[Elecraft] My KAT500 won't tune when RF is applied via keying down on the microphone or by using the CW paddle. It tunes if I whistle into the microphone. I have it set up as Figure 5. General Cabling Requirements - Stand-Alone Transmitter or Transceiver shows in the manual. I have an Yaesu 450D. Any suggestions as to what the problem is?

[Don Wilhelm]

Jim,

When you simply press the mic PTT, there is very little power out in SSB 
mode until you talk into the mic - the SSB carrier is suppressed, and 
all you are transmitting is the suppressed carrier until you produce 
audio into the microphone.
The KAT500 needs at least 7 watts to tune.

For CW, do you get power output when you close the key?  The FT-450 must 
be put into Break-In state to deliver RF on a key closure.  I suppose 
there may be the possibility of holding PTT closed and then keying the 
FT-450 without being in Break-In mode, but I have not studied the entire 
FT-450 manual.

73,
Don W3FPR

On 1/19/2019 4:09 PM, James Dahl wrote:
> My KAT500 won't tune when RF is applied via keying down on the microphone or by using the CW paddle. It tunes if I whistle into the microphone. I have it set up as Figure 5. General Cabling Requirements - Stand-Alone Transmitter or Transceiver shows in the manual. I have an Yaesu 450D. Any suggestions as to what the problem is?
> Thanks,
> Jim, WI6X
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