Serial port control line CW keying with KPA100 supplied cable - where to find the modification schematic ?

[OZ2BRN Brian Lodahl]

Hi there,

On page 63 in the KPA100 manual ("CW keying and PTT"-section) there is a
vague comment at the end of the section referring to the Elecraft
homepage for references to the NPN-transistor and diode circuit that can
be added to the K2 / 100 to use the white wire in the Serial cable for
CW keying of the rig, while keeping at the same time the possibility to
use a dual-lever paddle.

Does anyone know where to find this piece of information on the Elecraft
homepage - as I cannot seem to find it ... ?

73
Brian OZ2BRN
K2/100 # 6936


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