3Com 56K Control the modem clock. ATI6 displays the time, Display last call’s duration, Sr=n

B-4APPENDIX B: ALPHABETIC COMMAND SUMMARY

Command	Function
Kn	Control the modem clock. ATI6 displays the time.
	K0	If online, display current call duration. If offline,
		display last call’s duration.
	K1	Display the actual time. Set the clock using
		ATI3=HH:MM:SS K1.
Mn	Control when the speaker sounds
	M0	The speaker is always off.
	M1	The speaker is on until the call is negotiated.
	M2	The speaker is always on.
	M3	The speaker turns on after the last digit is dialed
		and stays on until the call is negotiated.
On	Return online. Use with the escape code (+++) to toggle
	between command and online modes.
	O0	Return online (normal).
	O1	Return online and retrain. Use O1 if there were
		errors in a non-ARQ data transfer.
Qn	Enable or disable the display of result codes.
	Q0	Display result codes.
	Q1	Suppress result codes (quiet).
	Q2	Suppress result codes when answering.
S$	Display help screens for the S-Registers.
Sr=n	Set S-Register value: r is any S-Register; n must be a decimal
	number between 0 and 255.
Sr.b=n	Set a bit-mapped register: r is the S-register, b is the bit, and n
	is 0 (off) or 1 (on).
Sr?	Query contents of S-register r.

See Appendix A, S-Registersfor a listing of all the S-Registers.

Command	Function
Vn	Display result codes in words or numbers.
	V0	Display result codes in numeric form.
	V1	Display result codes in verbal form.
Xn	Control the amount of information displayed in the result
	codes. The default is X7 (all codes except 12/VOICE).