RE: ASR-33 differences

2015-08-27 Thread tony duell
If I recall correctly; weren't the preferred versions of the 33ASR for use where the reader was controlled by the computer the 3-position manual reader control models? Since the reader won't run unless the computer is asserting the reader control lines anyway, and with such hardware flow

RE: ASR-33 differences

2015-08-26 Thread tony duell
I've finally gotten a hold of a restored ASR-33. One question I have concerns the paper tape reader. My recollection of using this TTY in the 70's was that the reader switch lever had 4 positions; on this tty there are 3. I know that for I have to add a reader control relay to interface

Re: ASR-33 differences

2015-08-26 Thread Christian Gauger-Cosgrove
On 26 August 2015 at 14:03, tony duell a...@p850ug1.demon.co.uk wrote: I've only ever seen the ones with 3 position levers, but from reading the manuals I think the 3 position levers are manual control models and 4 position levers are automatic control models (with extra levers and swtiches in