[Elecraft] Remotely Turn On a KX3

[Wayne Burdick]

Gary is correct; the KX3 can be turned on remotely with application of 8-12 V on the mic jack's PTT line. Very little current is needed.

Wayne

On Jun 27, 2013, at 10:00 AM, Ariel Jacala <ny4g at hotmail.com> wrote:

> Gary Surrency states that the logic state needs to be applied to the PTT line and not either of the ACC lines.  The relay circuit I think will still work as long as it is applied to the right line.
> At this time, you can only do this:
> 
> <image.png>
> 
> <image.png>
> 
> Ariel NY4G
> Sent from my iPad
> 
> On Jun 27, 2013, at 12:41 PM, "Wayne Burdick" <n6kr at elecraft.com> wrote:
> 
>> The app note mentioned refers to the K3, not the KX3.
>> 
>> Wayne
>> N6KR
>> 
>> 
>> On Jun 27, 2013, at 9:38 AM, Tim Tucker <ae6lx at worldwidedx.com> wrote:
>> 
>>> This is the easiest way that is basically plug and play:
>>> 
>>> http://va2fsq.com/?page_id=93
>>> 
>>> Tim
>>> 
>>> 
>>> On Thu, Jun 27, 2013 at 6:35 AM, Matt Zilmer <mzilmer at verizon.net> wrote:
>>> 
>>>> There is a way to power on the KX3 remotely.  It involves holding one
>>>> of the ACC1 or ACC2 pins at a logic state for 100 mS or more.  Now ...
>>>> to find my notes on this.
>> 
>> 
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