[Elecraft] K3 after turning on doesn't receive or transmit

[Bob McGraw K4TAX]

 From the Fred Cady manual, page 33, Chapter 3   "Elecraft recommends 
that you DO NOT turn your K3s off by turning off the external power 
supply.  Using the POWER switch allows the K3s to store variables such 
as the current VFO frequencies in EEPROM before shutting down.   This 
might not happen if you turn the power off at the power supply.  You can 
turn the power supply off after the K3s shuts down".

73

Bob, K4TAX


On 10/13/2017 3:22 PM, Ron D'Eau Claire wrote:
> Yes! Like most equipment these days, the K3 needs to do an orderly shutdown under control of its processor to turn off safely and reliably. Like your P.C. you can pull power unexpectedly and it will often recover okay when power is reapplied, but you can also get corrupted data that forces a firmware reload - perhaps even using the forced MCU load procedure in the Owner's manual - as well as discovering that it turns on in an unexpected state or that it has "forgotten" certain parameters you set when it was last used.
>
> 73, Ron AC7AC
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Dave Cole (NK7Z)
> Sent: Friday, October 13, 2017 1:00 PM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3 after turning on doesn't receive or transmit
>
> Respectfully, is that really true?  The K3 needs to be shutdown via the Power switch due to some sort of shutdown procedure, (or internal timings issue), within the radio?
>
> 73s and thanks,
> Dave
> NK7Z
> http://www.nk7z.net
>
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