Thanks Dave. The ham with the question should now be able to
determine his 100B keying method.
73
Rob
K5UJ
On Mon, Jan 3, 2022 at 11:43 AM David Gow <6146guy@gmail.com> wrote:
>
> Bothethe DX-100 and the DX-100B came from Heathkit with cathode keying.
> Heathkit did release a kit to change to grid block keying and it was
> available (same kit) for both transmitters. In the instructions Heathkit
> states "...this strictly optional..." It involves drilling a hole in the
> front panel to install a push button switch and installing a terminal strip
> on the chassis. if there is no push button on the upper right side of the
> panel then the grid block optional modification is not installed. A copy of
> the Heathkit instructions for the modification is on Glenn Zook's (K9STH)
> web site.The Antique Radios forum is a wonderful resource. This modification
> has not been discussed there yet.
> Dave W7VM
>
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