IBM 2193, 6345, 2194 manual Registers, Register Function Range/units Default

The following table lists the S Registers summary.

Table 6: S registers

Register	Function	Range/units		Default
S0	Auto-answer ring	0-255 /rings		0
S1	Ring counter	0-255 /rings		0
S2	Escape code character	0-255 /ASCII		43
S3	Carriage return character	0-127 /ASCII		13
S4	Line feed character	0-127 /ASCII		10
S5	Backspace character	0-32 /ASCII		8
S6	Dial tone wait time	2-255 /seconds		2
S7	Remote carrier wait time	1-255 /seconds		50
S8	Comma pause time	0-255	/seconds	2
S10	Carrier loss time	1-255	/10ths of a second	14
S11	Touch-tone dialing speed	50-255 /milliseconds		95
S12	Escape character detect time	0-255	/50ths of a second	50
S29	Flash dial modifier time	0-255	/10 milliseconds	70

B-14IBM Personal Computer User Guide