[GreenKeys] CR to LF on Model 15

[Steve Garrison]

And a fine job the "baudotrss' software does!

Steve G./N4TTY

-----Original Message-----
From: greenkeys-bounces at mailman.qth.net <greenkeys-bounces at mailman.qth.net>
On Behalf Of John Nagle
Sent: Saturday, July 24, 2021 2:14 AM
To: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] CR to LF on Model 15

Steve Garrison wrote:> Does the M15/19 typing unit have a LF on CR option?
If so can someone point me to how it?s implemented so I can disable it.

There is a LF on CR option. I have one Model 15 with it, and one without it.
I don't know how it works.  Probably some mod to the LF code bar. The 1941
manual doesn't mention that feature, so it may be a later addition, like
motor start/stop.
The machine with that feature also has auto CRLF at end of line, around
character 74, so you never pile up at the end of line or overtype a previous
line.

One of the options to my "baudotrss" program is whether this feature is
installed. Then it can compensate. That program also has word wrap.

My software approach to unshift-on-space is that the program has three
typing unit states - FIGS, LTRS, and "unknown". In "unknown"
state, the next character to go out for which the LTRS and FIGS shift
matters is preceded by LTRS or FIGS. When a space is received in FIGS mode,
the state goes to "unknown", to force sending a LTRS or FIGS before the next
character where it matters.

				John Nagle
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