[Elecraft] Macro to Disable Key out

[C. J. Hawley]

It's a solid state amp...you just turn it off. Why have two off switches? 

---- Original message ---- 
>Date: Mon, 09 Nov 2009 16:28:49 -0600 
>From: Radio Amateur N5GE <n5ge at n5ge.com>   
>Subject: Re: [Elecraft] Macro to Disable Key out   
>To: Elecraft List <elecraft at mailman.qth.net> 
> 
>On Mon, 09 Nov 2009 08:47:45 -0800, Vic K2VCO <vic at rakefet.com> wrote: 
> 
>>John Huffman wrote: 
>> 
>>> I would like to add a command to the macro for the antenna using the 
>>> internal tuner.  I would like to disable the "key out" amp relay.  Don't 
>>> want the K3 keying the amp if it is not the antenna getting power. 
>>> 
>>> Since my amp doesn't have a standby position (Ten Tec Hercules II), I 
>>> would also like to bypass the amp relay when tuning the manual tuner.   
>>> But, I can't find a command in the Programmer's Reference to disable Key 
>>> Out. 
>>> 
>>> Is there an undocumented command to disable Key Out? 
>> 
>>I also wanted to do this, but apparently it's not possible. Another way to do it would be 
>>a command to activate the DIGOUT1 line on the ACC connector, which could operate an 
>>external relay. Or change the state of the KRC2 ACC output (if you have a KRC2, as I do) 
>>by activating the KRC2 menu item. 
>> 
>>Unfortunately, either of these would be 'sticky' -- once activated it would stay activated 
>>until another command turns it off. I want something which will default to 'amp off' when 
>>powering up the K3. 
> 
>It amazes me that an amateur radio amplifier manufacturer would offer 
>an amplifier that had no standby switch or setting.  I wonder if that 
>amplifier that you mentioned bypasses when the power to the amp is 
>off?  Does it use RF sensing to switch the relay(s) or does it use a 
>control line from the rig? 
> 
>Unbelievable! 
> 
>Tom, N5GE 
> 
>n5ge at n5ge.com 
>K3 #806, K3 #1055, PR6, 
>XV144, XV432, KRC2, 
>W1 and other small kits. 
> 
>2 W2's on order 
>1 K144XV on order 
>