KX3 - Odd behaviour using DVR

[Graham Kimbell]

I'm using my KX3 in a ssb contest and calling cq with a message recorded
in the DVR.

I tap MSG, hold 1 or 2 for a message to be repeated. While transmitting,
I unplug the headphones (or plug them in if previously unplugged). This
causes it to stop transmitting, the KX3 display goes blank for a moment
(scary!) then returns on receive.  I've also sometimes had VFO B come
back on a different frequency.

Plugging or unplugging phones on normal phone transmit has no weird
effect.  Is this a bug?

73
Graham
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[Bob N3MNT]

Are you using headphones only or headphones w/mic

[Graham Kimbell]

Hi Bob
The phones I use have separate mic and phones plugs - I'm only plugging
/ unplugging the phones. And the phones aren't the problem since it all
works fine in normal phone transmit. The problem (stopping the rig from
transmitting) only arises when playing a DVR message.

I tap MSG, hold 1 or 2 for a message to be repeated. While transmitting,
I unplug the headphones (or plug them in if previously unplugged). This
causes it to stop transmitting, the KX3 display goes blank for a moment
(scary!) then returns on receive.

Can anyone else duplicate this problem?

Graham


On 19:59, Bob N3MNT wrote:
> Are you using headphones only or headphones w/mic
>
>
>
> --
> View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Odd-behaviour-using-DVR-tp7608714p7608716.html
> Sent from the Elecraft mailing list archive at Nabble.com.
>
>    
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[Bob N3MNT]

Keying the mic in DVR mode stops the DVR transmission.  It is possible that as the headphone plug is removed it causes a brief pulse that causes the radio to think the mic has been keyed.  

[KE6BB]

Graham,
I can duplicate it while simply transmitting a DVR message and plugging or unplugging the phones.  The display then says ERR DSX d=000.  Tapping any key clears the error message, but the radio remains locked up with the TX LED on.  The only way to make the radio usable again is to turn it off and back on.
I also noted that plugging/unplugging headphones during normal TX results in the monitor and and RF output disappearing, but no error message. Tapping TX still works in this case to take the radio back to RX.
I don't see this as a problem, but more of a limitation.   I simply won't be plugging or unplugging phones while transmitting! 
Mark KE6BB KX3 s/n 3500FW 2.34/1.33

-------- Original message --------
From: Graham g3tct <[hidden email]>
Date: 10/06/2015  09:53  (GMT-08:00)
To: Bob N3MNT <[hidden email]>, [hidden email]
Subject: Re: [Elecraft] KX3 - Odd behaviour using DVR



I tap MSG, hold 1 or 2 for a message to be repeated. While transmitting,
I unplug the headphones (or plug them in if previously unplugged). This
causes it to stop transmitting, the KX3 display goes blank for a moment
(scary!) then returns on receive.

Can anyone else duplicate this problem?

Graham



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