[GreenKeys] AutoStart

jim at k6ccc.org jim at k6ccc.org
Tue Aug 31 16:46:32 EDT 2021


From: "steve bennett via GreenKeys"
> How does autostart work?Is that functionality built into the teletype machine or is it done
> in a TU or somewhere else?

In it's simplest form, it's a function of the TU.  The TU decodes Mark tone, or Space tone, or both to determine that there is a valid signal and then turns on AC power to the TTY.

When valid signal goes away, the AC power is killed to the TTY.

73
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Jim Walls - K6CCC
jim at k6ccc.org




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