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1994-06-17
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2KB
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60 lines
!NPL Reset Acorn CMOS Clock from NPL TRUETIME Date: 1994 Jun 17
This program will dial the NPL TRUETIME service
and reset the CMOS UTC clock in your Acorn Computer.
It is multitasking, but runs without window or icon-
bar icon. It will quit when the clock has been
reset. You can also use "Quit" from the Task
Manager or let the program timeout (default 30 sec).
Your modem must support CCITT V22 (1200 baud full
duplex) and the "Hayes" command set.
For further information about NPL TRUETIME service
data format etc, contact NPL: more >>>
John Chambers
Time and Frequency Services (TRUETIME)
National Physical Laboratory
Teddington
Middlesex TW11 0LW
England
Tel: +44 81 977 3222 ext 6493
+-----------------------------------------------------------+
| No warranty is given with this software as to fitness |
| for purpose, nor can any liability be accepted for |
| direct, indirect or consequential loss or damage arising |
| from its use. It works for me; I hope it does for you. |
+-----------------------------------------------------------+
This software is "free". You may use it as you wish, provided you
do not charge for it (media cost excepted), and you distribute it
intact and unmodified.
The program sends commands to your modem from the "Messages" file. The
defaults are:
AT S2=43 Start-up commands (set escape ="+")
ATDT 0891516333 Dial, Tone, 0891 516 333 (Pulse = P)
+ Escape character
ATH Hang-up command
30 Timeout (seconds).
The file MUST contain five and only five lines. You can extend the three
"AT" lines if you need extra commands.
To disconnect the modem from the line, the "+" character is sent three times
slowly followed by a wait of 1.1 seconds, followed by the next line, "ATH".
Typical connect time is 13 seconds, depending the modems at each end.
IMPORTANT
---------
Note that due to an Acorn Risc OS design oversight, if you have another
RS423 terminal program already running the other program will inevitably
clash with !NPL and vice versa. Quit the other program first.
James R Miller, 3 Benny's Way, COTON, Cambridge, CB3 7PS, England
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