[Elecraft] KE7X KX3 Book and Configuring: KX3, K3, KPA500, and KAT500

[Don Wilhelm]

Phil,

Let me get this straight - the KPA500 is communicating with the K3, then 
you switch to the KX3 and the KPA500 does not talk with the KX3.

If that is what is happening, I would expect that to be the case. The 
communications with the K3 is not synchronized with the attempted 
communications with the KX3, so a reset (power cycle) of the KPA500 may 
be required.

73,
Don W3FPR

On 4/22/2014 7:02 PM, Phil Hystad wrote:
> Some follow-up questions:
>
> OK, I have the KX3 and K3 configured with the KPA500 and KAT500.  Everything seems to work with one little exception.
>
> The exception:
>
>      --- initial conditions, K3 is on and switched to use the KPA500 and KAT500.  KX3 is off.
>
>      --- using K3 and so on works fine with amp on or with amp in standby.
>
>      --- I turn off K3.  Leave KPA500 on but in STBY mode.
>
>      --- Switch coax from K3 to KX3 (1x2 switch).
>
>      --- Turn on KX3.  KPA500 still in STBY mode.
>
>      --- Attempt to switch KPA500 to OPER from STBY but switch does not work.  If I power off the
>           KPA500 (front panel switch) and power back on then switch works fine.
>
> I have experimented with all kinds of starting initial conditions and order of events but whenever
> the KPA500 is left on after using the K3 and then switching to the KX3, the switch on the KPA500
> to go from STBY to OPER does not work.  I always have to cycle the power from the front panel on/off
> switch.
>
>