[GreenKeys] WRU key code

[Paul Heller]

It depends on whether the Model 28 is for TELEX operation or not.  I believe you are seeing keyboards for systems designed for TELEX. 

ITA2 does not have  a $ symbol. Send a $ as FIGS-D to a user who has a TELEX machine and watch them howl because it really messes things up because it triggers the answerback. There are other difference between USTTY and ITA2, for example BELL and ‘

I do not know of any instance where FIGS-D both prints a $ and triggers WRU. It is my understanding that it is one or the other.

Here is an excellent paper that might help:

http://www.baudot.net/docs/smith--teletype-codes.pdf


Paul
W2TTY

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> On Oct 1, 2019, at 10:34 AM, ad7i <ad7i at ad7i.net> wrote:
> 
> 
> I know that for ITA2 TTYs that the WRU command is FIGS-D.  In looking at photos of what I presume to be USA Model 28 keyboards most have the D key marked "$ over D" (FIGS-D prints as $) but I have seen a few USA Model 28 with the D key marked as "WRU over D". 
> 
> In the USA was it typical for those TTY systems that made use of WRU/Answerback that FIGS-D was always used as the WRU command?  In the USA if a WRU command was received by a TTY would that received FIGS-D result in the "$" character being printed on the paper in addition to triggering the Answerback generator (if one was installed), or was FIGS-D a "command only, no key printed" type of thing?
> 
> thanks,
> 
> Paul, ad7i
> 
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