[Elecraft] K3: PTT In - quit working

[Igor Sokolov]

If I am not mistaken, there is also PTT signal in the ACC socket pin 4.

73, Igor UA9CDC

----- Original Message ----- 
From: "Don Wilhelm" <w3fpr at embarqmail.com>
To: <RLVZ at aol.com>
Cc: <elecraft at mailman.qth.net>
Sent: Sunday, October 06, 2013 7:57 AM
Subject: Re: [Elecraft] K3: PTT In - quit working


> Dick,
>
> Eliminate the foot switches from suspicion with a simple test that you can 
> do with your DMM.
> Set the DMM to ohms and check the resistance between the tip and shell of 
> the RCA plug.  When you depress the foot switch, the resistance should be 
> quite close to zero.
>
> Yes, it is not probable, but entirely possible that you could have 2 
> faulty footswitches.  The simple test mentioned above should resolve that 
> question.  If the footswitches prove good, an email to 
> support at elecraft.com is in order to do further troubleshooting.  It could 
> be just a matter of a faulty jack on the K3.
>
> There is no menu entry that will change the behavior of the PTT input. 
> Until this is resolved, you can use the XMIT button on the K3 to transmit 
> or set the K3 to use VOX.
>
> 73,
> Don W3FPR
>
> On 10/5/2013 7:55 PM, RLVZ at aol.com wrote:
>> Hi Guys,
>>   When operating SSB, about a month ago my  Foot switch cable to the K3 
>> "PTT
>> IN" on the rear panel quit working.   I tried a second foot switch that I
>> know is good, and that one  won't key the K3 in SSB mode either.   I'm
>> wondering if  the K3 has an internal Menu setting that deactivates the 
>> rear panel
>> PTT IN jack?
>>   Sure would like to get my foot switch once  again.
>>
>
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