[Elecraft] Lightning Strike

[Bill W4ZV]

Tom Doligalski-2 wrote:
> 
> I've ordered the replacement K3 serial i/o board, but would love to get
> the K3 out of the update mode for the weekend (that is, now every time I
> turn the K3 on it is wanting an MCU load).
> 
> Anyone have an idea about how to return  the K3 to regular service (which
> is seemed to be doing prior to the upload) while I wait for the i/o board?
> 
> 

Try the following from page 45 of the manual:

Forcing a Firmware Download
If you accidentally load an old or incompatible
firmware version and find the K3 unresponsive, do
the following: (1) unplug the K3 from the power
supply and wait 5 seconds; (2) plug the power
supply back in; (3) hold the K3’s POWER switch
in; after about 10 seconds, you’ll see the TX LED
flash (you’ll also see MCU LD on the LCD); (4)
load the correct firmware version.

If that doesn't work, you may have to wait until the KIO3 board is replaced.

73 & GL!

Bill


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