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

[Dave Cole (NK7Z)]

I had no clue that was happening!  Thanks for the info!

73s and thanks,
Dave
NK7Z
http://www.nk7z.net

On 10/13/2017 01:31 PM, Bob McGraw K4TAX wrote:
>  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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> 
> 
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