[GreenKeys] WRU key code

[w9ddd at tapr.org]

I found this 4476WD which confirm my suspicion that the data phone of a TWX machine is able to trip the WRU.  It also shows that the stunt box is coded FIGS C to trip the WRU.  Then there is the red here is key for manual initialization.

http://www.navy-radio.com/manuals/tty/wd/4476WD-6204.pdf

John, W9DDD


> On Oct 1, 2019, at 11:31 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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