Joe, Many thanks for your help.
I had been toying with the idea of buying a K3 for use at another QTH, but there the mains supply is not 100% reliable. If bad things can happen if the 13.8V supply shuts down as the result of a mains outage, that is serious. 73, Geoff GM4ESD Joe Planisky wrote on Sunday, June 07, 2009 5:45 PM > 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? ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
