[Elecraft] CW and VOX

David Wilburn dave.wilburn at verizon.net
Tue Apr 21 08:57:14 EDT 2009


Been a while since I was at that load, but I do know you cannot 
transmit CW without VOX on.  Several rigs I have used do this when 
using their internal keyers.

What happens to me, since I use VOX in RTTY for keying, then go to 
SSB, and turn VOX off, then go to CW and VOX is off.

According to Wayne, per mode VOX settings are in the pipeline, but are 
not hear yet.

Dave Wilburn
NM4M

John Gaynard wrote:
> Yesterday, suddenly my K3 had no RF output on CW.  It had been a few days
> since I was on so I was kind of mystified since it worked fine last week.
> The TX light was flashing, and I could hear the TX relay in the PW-1 amp
> clicking.  In desperation, I went to SSB mode and there was full output
> power when I spoke into the MIC since obviously VOX was on in SSB mode..  I
> did not consciously notice the VOX missing on the display in CW mode.  I
> went back to CW, and then I noticed the VOX was not displaying.  I never
> consciously turn off VOX but obviously I held the Band switch a bit too long
> and turned off VOX during a band switch last week.  I never use the QSK
> option.  So I experimented a little bit.  I turned on VOX and QSK then I
> turned off VOX, then turned off QSK, and SEMI appeared in the VFO B display
> briefly for about a second.  I keyed the K3 and the TX light flashed and no
> RF output.  Am I correct in thinking that you cannot be/should not be in
> SEMI mode unless VOX is turned on.  I am on firmware level 2.38.  Without
> VOX or QSK turned on, you should not be able to put the rig in transmit mode
> by touching the key.  I generally glace at the new firmware releases to see
> if there are any relevant fixes I'm interested in.  If not, I just choose
> not to upgrade firmware.  The funny thing was that I did remember to make
> sure I was not in TEST mode since that essentially does the same thing.
> Essentially, if VOX is off, QSK is off, and you are in CW mode, you are in
> TEST mode by default.  Has this been fixed in a subsequent firmware release.
> It can be disconcerting to suddenly turn on the K3, get ready to chase a DX
> station, only to find you have no RF output, but everything looks normal.
> If in TEST mode, at least the TX symbol flashes.
> 
>  
> 
> John K8WDN
> 
> K3 #157
> 
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