[Elecraft] K3 + P3 + Microkeyer

[Joe Subich, W4TV]

I do it that way myself ... each K3 (+P3) has an RS-232 A/B switch on
it.  The computer serial port has an A/B/C/D switch that connects to
each of the A/B switches, the programming cable for the XG3 and for
now the LP-100 (but normally my general purpose test port).

73,

    ... Joe, W4TV


On 6/4/2012 11:09 PM, Don Wilhelm wrote:
> An RS-232 A/B switch can make that changeover easy - the common of the
> A/B switch connects to the K3 (or P3) and one side connects to the
> nicroHam while the other side connects directly to a serial port (or USB
> to serial adapter).  A simple "flip of the switch" changes it from
> normal configuration to Firmware download mode.
>
> 73,
> Don W3FPR
>
> On 6/4/2012 10:56 PM, Bob Lanning wrote:
>> Art -
>>
>> You have it right.
>>
>> In normal use the microHAM unit is in-between the PC and the K3 or if
>> there is a P3 it is PC - P3 - K3.  BUT when having to do FW update to
>> the P3 or K3 or screen capture off the P3 the PC needs to be connected
>> directly to the P3 or K3.
>>
>> 73,
>>
>> Bob - W6OPO
>>
>>
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