[GreenKeys] Model 28 with a new problem

[Ethan Blanton]

Mike McAuley wrote:
> 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 WE types as ZI types as PS types as YU types as Q3
> types as quotation mark7 types as 18 types as 0Dash types as 2STOP
> types as hashtagSpacebar types as HLine feed types as LNow 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 73sMikeKD7VRG

I just replied to this in private mail in another thread, but to close
the loop for the list, my suggestion was to check first that the range
finder is near the 60 mark, and see (if that doesn't fix it) if a
"better" direction can be found as it may be an inter-bit timing error.

Ethan