Workings of a TTY

From: Allison J Parent <allisonp_at_world.std.com>
Date: Mon Dec 1 16:06:04 1997

<Really? I agree that while the speed must be correct within a few
<of percent, but none of the Teletypes that I ever owned (Model 28's and
<Model 33's) had any adjustment for speed. The speed was determined

TTYs could be run at different speeds using differnt gear sets. The differnt
gear sets for both 50/60hz and 10cps and several other speeds such as those
used for RTTY. I believe 25, 50, 60 and 75 were other speeds.

<Now there are adjustments related to the data-bit-timing relative to the st
<bit. Is this what you're talking about?

That is the TD(transmitter distributor) adjustment, that only synchronzes
the reader/keyboard transmit bit stream. There is another timing related
adjustment which is the reciever(a solenoid) to escapment. position.

Used to have one for over ten years did my own maintenance and at taht time
had the manual set.

Allison
Received on Mon Dec 01 1997 - 16:06:04 GMT