[Elecraft] K3 not transmitting anymore

[Joe Planisky]

 From the owners manual (page 44 in rev D2):

"Remote Power On/Off

A remote-control system can pull the POWER ON line to ground (ACC  
connector, pg. 18) to turn the K3 ON.  To turn it OFF, the controller  
must send the K3 a "PS0;" remote-control command via the RS232  
interface, then deactivate the POWER ON signal.  This sequence ensures  
that nonvolatile memory is updated correctly before shut-down."

Note that it doesn't say how long it takes to update the NVRAM after  
the above process is completed.  In other words, how soon after  
deactivating the POWER ON signal can I shut down the 13.8V supply?

73
--
Joe KB8AP


On Jun 7, 2009, at 9:10 AM, Geoffrey Mackenzie-Kennedy wrote:

>
> Is there any interface available on the K3 which would allow an  
> external
> automatic protective shutdown system to meet this requirement,  
> rather than
> having to press the POWER button by hand?