User`s manual

U.S. Robotics I-modem Command Reference
Appendix A: Alphabetic Command Summary • Page A-32
S-registers
Table AÐ1. S-registers: Their Functions and Default Settings
Register Default Function
S0 0 Sets the number of rings on which to answer in Auto Answer mode. S0=0
disables Auto Answer. S0=1 enables Auto Answer and the I-modem
answers on the Þrst ring.
S1 0 Counts and stores the number of rings from an incoming call.
S2 43 Stores the ASCII decimal code for the escape code character. Default char-
acter is Ò+Ó. A value of 128-255 disables the escape code.
a
S3 13 Stores the ASCII decimal code for the Carriage Return character. Valid
range is 0*127.
a
S4 10 Stores the ASCII decimal code for the Line Feed character. Valid range is
0*127.
a
S5 8 Stores the ASCII decimal code for the Backspace character. A value of 128-
255 disables the Backspace key's delete function.
a
S7 60 Sets the number of seconds the I-modem waits for a carrier. May be set for
much longer duration if, for example, the I-modem is originating an interna-
tional connection.