Technical Reference
62
S-Registers
To change a setting, use the ATSr=
n
command, where r is the register and
n
is a decimal value from 0
−
255
(unless otherwise indicated).
Register Default
Function
S0
0
Sets the number of rings on which to answer in Auto Answer Mode
When set to 0, Auto Answer is disabled
S1
0
Counts and stores the number of rings from an incoming call
S0 must be greater than 0
S2
43
Stores the ASCII decimal code for the escape code character
Default character is
+
A value of 128 –
255 disables the escape code
S3
13
Stores the ASCII code for the Carriage Return character
Valid range is 0 –
127
S4
10
Stores the ASCII decimal code for the Line Feed character
Valid range is 0 –
127
S5
8
Stores the ASCII decimal code for the Backspace character
A value of 128
−
255 disables the Backspace key’s delete function
S6
2
Sets the number of seconds the modem waits before dialling
If X
n
is set to X2 or X4, this is the time-out length if there is not a dial tone