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S3
Return Character
Unit: Decimal
Range: 0–127
Default: 13 (^M)
S3 defines the carriage return character by its decimal ASCII code. The default setting is the
^M character (decimal 13), which is the code for the ENTER key on most keyboards. S3
may be set for any ASCII character.
Note: If you change the S3 value, you must make corresponding changes in your data communications
software.
S4
Line Feed Character
Unit: Decimal
Range: 0–127
Default: 10 (^J)
S4 defines the line feed character by its decimal ASCII code. The default setting is ^J
(decimal 10), which is the code for the line feed key on most keyboards that have such a
key. S4 may be set for any ASCII character.
S5
Backspace Character
Unit: Decimal
Range: 0–127
Default: 8 (^H)
S5 defines the backspace character by its decimal ASCII code. The default setting is the ^H
character (decimal 8), which is the code for the BACKSPACE key on most keyboards. S5
may be set for any ASCII character.
Note: If you change the S5 value, you must make corresponding changes in your data communications
software.
S6
Wait Time for Dial Tone
Unit: 1 second
Range: 2–255 (North America)
Default: 2 (North America)
S6 defines the length of time the modem waits after the ENTER key is pressed before
executing a dial command. The default setting is two seconds for North America, four
seconds elsewhere.
4–255 (International)
4–7 (U.K.)
4 (International and U.K.)
Chapter 4 - S-Registers
58
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