From 9fd8610431db00238e8dd7d7fd799d9b42e70f41 Mon Sep 17 00:00:00 2001 From: Ken Thompson Date: Mon, 5 Nov 1973 20:51:45 -0500 Subject: [PATCH] Research V4 development Work on file man/man4/da.4 Co-Authored-By: Dennis Ritchie Synthesized-from: v4 --- man/man4/da.4 | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 man/man4/da.4 diff --git a/man/man4/da.4 b/man/man4/da.4 new file mode 100644 index 0000000000..338607ef9d --- /dev/null +++ b/man/man4/da.4 @@ -0,0 +1,16 @@ +.th DA IV 10/28/73 +.sh NAME +da \*- voice response unit +.sh DESCRIPTION +Bytes written on this file +control a Cognitronics optical drum voice response +unit which +can generate up to 31 fixed half-second utterances. +Bytes read correspond to Touch-Tone\(rg +signals received via a 403 dataset. +.s3 +The specifics of the interface will not be described. +Consult M. E. Lesk for more information. +.sh FILES +/dev/da +.sh BUGS -- 2.20.1