[GreenKeys] Stunt box operation

w9ddd at tapr.org w9ddd at tapr.org
Fri Nov 29 07:53:31 EST 2019


This will be good info for me because I eventually have to get a sprocket feed typer  going.  It's  been on the back burner due to lack of paper

John, W9DDD


> On Nov 29, 2019, at 7:29 AM, ad7i <ad7i at ad7i.net> wrote:
> 
> Hi Jeff --
> 
> In my particular case, for the horizontal spacing in response to an ampersand, the type box moves rapidly over to the right, just like hitting the tab function on a typewriter.  The TTY does not function (in the time domain) like the selector magnets received 14 space chars.  So far it's always been 14 characters, but I haven't done a lot of testing with that to confirm.  I'll try that later today.  I do know that the right side cable wheel on the front of the typing unit has some flanges that stick out on the front of it about 1/4 inch, like it might be for tab stops, but I don't see an actuator that would engage or stop based on the position of those flanges.  I should probably open the housing cover and watch it as I send it some ampersand characters, to see if I can understand the operation of the tabbing function.
> 
> Paul, ad7i
> 
> 
>> On Fri, Nov 29, 2019 at 7:18 AM Jeffrey Angus <jdangus at att.net> wrote:
>> Separate from Paul's question.
>> 
>> Two things:
>> 1. In Paul's case, " results in 14 spaces or so.
>> Is that actually 14 spaces or does the 28 have a "If I get a
>> tab request, I index the carriage x inches?"
>> Does the sending station know to wait for all 14 spaces
>> before sending the next character?
>> 
>> 2. Can the stunt box decode sequential characters. I.e., if
>> I hear this, and then this, do this?
>> 
>> -- 
>> "I am a river to my people."
>> Jeff-1.0
>> WA6FWI
>> www.foxsmercantile.com
>> 
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