USRobotics V.34 user manual Sr.b=n

COURIER HIGH SPEED MODEMS

Mn

On

Qn

Sr=n

Sr.b=n

Sr?

Vn

Speaker (audio monitor).

M0 The speaker is always OFF.

M1 The speaker is ON until carrier is established (Default).

M2 The speaker is always ON, including during data transfer.

M3 The speaker is ON after the last digit is dialed and remains ON until carrier is established.

If DIP switch 9 is ON (on detection of the escape code the modem maintains the connection), you can issue commands and then toggle the modem back online with the On command.

There are two ways to return online.

ATO0 Return online (normal).

ATO1 Return online and retrain. Use to have the modem re- synchronize if there were errors in a non-ARQ data transfer.

Enable/suppress the display of result codes. The Courier is shipped with DIP switch 3 ON, to display result codes. Use the Qn command to control the display for a current session, independently of the switch setting.

Q0 Result codes displayed.

Q1 Result codes suppressed (quiet).

Q2 Result codes suppressed in Answer mode.

Set S-Register value: r is any S-Register; n must be a decimal number between 0 and 255.

Alternative command for setting bit-mapped registers: r is the bit-mapped register; .b is the bit; n is 0 (off) or 1 (on).

Query contents of register r.

Return result codes in words or numbers (Verbal/Numeric mode).

V0 Numeric mode.

V1 Verbal mode.

Alphabetical Command Summary C-7