[GreenKeys] TD operation on 28ASR

Nick England navy.radio at gmail.com
Mon Feb 10 12:12:53 EST 2020


And like all things Teletype, there are mods to change things to whatever
you want.
1) To have the TD be active in all 3 modes, jumper AH2 to AH7 on the
keyboard terminal block.
2) To keep the punch from operating in KT mode, install cam 176436 .

Nick England K4NYW
www.navy-radio.com

On Sun, Feb 9, 2020 at 7:17 PM Nick England <navy.radio at gmail.com> wrote:

> Looking at schematics in preparation for my rewiring job, I was surprised
> to see that the TD clutch can not be activated in K mode, only in KT and T.
> Why is that? It makes sense to me that normal conversation would take
> place in K mode with no need to perf a tape. But you might like to run a
> tape through the TD without having to switch from K to KT.
> What do you think? What am I missing?
> Cheers
> Nick
>
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