[GreenKeys] Model 28 with a new problem

[Mike McAuley]

Thanks Nick,Adjusting the range makes no difference. I moved it in small increments from 60 to just about the limit on either side. Mike
-------- Original message --------From: Nick England <navy.radio at gmail.com> Date: 10/2/21  12:21 PM  (GMT-07:00) To: Mike McAuley <mmcauley at cox.net> Cc: greenkeys at mailman.qth.net, hwhall at compuserve.com Subject: Re: [GreenKeys] Model 28 with a new problem What happens when you adjust the RANGE control?On Sat, Oct 2, 2021 at 3:16 PM Mike McAuley <mmcauley at cox.net> wrote:Hmmm, okay I see your point Wayne. Thanks!Mike-------- Original message --------From: hwhall at compuserve.com Date: 10/2/21  12:04 PM  (GMT-07:00) To: mmcauley at cox.net, greenkeys at mailman.qth.net, john-koster at tx.rr.com, harold at w6iwi.org Subject: Re: [GreenKeys] Model 28 with a new problem 
>what could be causing a MARK to be sent on bit 5 in cases where it should be a SPACE?

Might be asking the wrong question, it might be "what could be causing those bit 5 characters to be decoded & printed incorrectly?"  IOW, the code may be getting sent correctly but decoded incorrectly.  That the characters have a common denominator in the type box sounds suspicious.

Wayne
WB4OGM



-----Original Message-----
From: Mike McAuley <mmcauley at cox.net>
To: Green Keys <greenkeys at mailman.qth.net>; John <john-koster at tx.rr.com>; harold at w6iwi.org
Sent: Sat, Oct 2, 2021 11:54 am
Subject: [GreenKeys] Model 28 with a new problem



So I got the code bar 3 issue fixed as far as I can tell.  I can see all five code bars shifting back & forth.



But now there is a new issue...





A types as W

E types as Z

I types as P

S types as Y

U types as Q




3 types as quotation mark

7 types as 1

8 types as 0

Dash types as 2

STOP types as hashtag

Spacebar types as H

Line feed types as L




Now I was sleuthing the bit codes for all those keys and from what I see, the common denominator is bit 5.




On those keys, a bit 5 SPACE is being turned into a MARK.  On other characters where bit 5 is *supposed* to be a Mark, they are typing fine.




AND... it's not doing it on ALL the keys where switching bit5 from S to M would change the character.  For example, typing C does not change to V.




I can also see that these affected characters happen to lie in the center four columns on each side of the typebox (middle four for the FIGS section, & middle four for the LTRS section.)




The bit 5 code bar is NOT stuck. I can see it freely running back & forth between M & S.




So the question is: what could be causing a MARK to be sent on bit 5 in cases where it should be a SPACE?




Any thoughts, ideas or suggestions appreciated 







73s




Mike

KD7VRG



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