USRobotics V.34 user manual Miscellaneous Commands, ATI3=HHMMSS K1

COURIER HIGH SPEED MODEMS

&Pn This command sets the ratio of the off-hook/on-hook (make/ break) interval for pulse dialing. The default sets the modem for use in North America. The ratio must be changed if the modem is used in the United Kingdom and some Common- wealth countries.

&P0	Make/break ratio, U.S./Canada: 39%/61%. Default.
&P1	Make/break ratio, United Kingdom, some
	Commonwealth countries: 33%/67%.

MISCELLANEOUS COMMANDS

Cn Transmitter enabled/disabled.

C0 Transmitter disabled; receive-only condition.

C1 Transmitter enabled. Default.

Kn Modem clock operation: Call-duration or Real-time mode. Displayed with ATI3 and ATI6 commands.

K0 Display current call-duration if online. Display last call-duration if offline. Default.

K1 Return actual time at ATI3. Clock is set using

ATI3=HH:MM:SS K1.

&Yn Break handling. This command allows you to send a break to abort data transfer without disconnecting from the phone link.

&Y0	Destructive, don't send Break.
&Y1	Destructive, expedited (Default).
&Y2	Nondestructive, expedited.
&Y3	Nondestructive, unexpedited; modem sends Break in
	sequence with data received from computer or terminal.

NOTE: If the call is under MNP5 data compression, destructive Breaks cause both modems to reset their data compression tables. When transmission resumes, the modems build new tables, and the result is lower than normal throughput.

Data Mode Operations 4-31