[GreenKeys] 28 Printer stuntbox CR and LF options

Nick England navy.radio at gmail.com
Tue Jun 8 12:29:57 EDT 2021


FWIW, I always send CR CR LF.

There was a Navy mod for the M28 that would perform LF on CR and then
ignore the next two non-printing characters. So you’d get a single CR-LF
response to any of:
CR
CR LF
CR CR LF

http://www.navy-radio.com/manuals/tty/jh/ttyman6/specs/50178S-Iss1.pdf

Cheers
Nick


On Tue, Jun 8, 2021 at 12:18 PM John, W9DDD <w9ddd at tapr.org> wrote:

> I probably mentioned a while back that my printer wasn't doing CR,
> unless I held the zero code bar to the right.  So it's time to fix that.
>
> I noticed at the time that it also did LF with the CR.  Do I want that
> feature?
>
> Way back when if I remember correctly,the end of line sequence was CR CR
> LF LTRS.  Since the extra CR didn't seem necessary with the advent of
> the 28 and then all the switch to glass terminals, does anyone still
> send 2 CR?
>
> In particular will I get extra line feeds when copying things like ITTY?
>
> I didn't see that there was anything stopping multiple LF in my testing,
> but maybe there's something that does stop an extra LF after CR?
>
> I'm trying to avoid multiple removals of the stuntbox. It's not all that
> hard, but the chances of the snap ring flying off into never never land
> increase exponentially every time you temp fate.
>
> --
> ---
> ----
> The above comments or recommendations are SWAG. Use at your own risk.
> John, W9DDD
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-- 
Nick England K4NYW
www.navy-radio.com
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