[GreenKeys] Navy-Marine Corps MARS teletype users?

[Nick England]

 Was anyone here a NMCMARS member and/or know a former member who might
have had a M42 and/or some old documents that might have useful info on
setting options on the 4220 AAB basic 42KSR version used by NMCMARS?
It turns out that greenkeyer Leanne W1WXS has a machine like mine
(controller card 410231). Hers came from another Marine Corps MARS member
and it came with a list of option settings taped onto it -
http://www.navy-radio.com/tty/m42/m42_144908451.jpg
Hers is set for 75  baud, mine for 50 baud. So we know it can be done, but
we can't figure out how to set the options.
And I'm still looking for Teletype manuals 538 and 516 which may provide
clues.....
http://www.navy-radio.com/tty/m42.htm
Many thanks,
Nick England K4NYW
www.navy-radio.com
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