US Robotics COURIER User Manual page 137

COURIER HIGH SPEED MODEMS
Mn Monitor (speaker) control.
0
MO Speaker always OFF.
Ml Speaker ON until carrier is established (Default).
M2 Speaker always ON.
M3 Speaker ON after last digit dialed and until carrier is
established.
Return online after command execution.
00 Return online (normal).
01
02
Return online and retrain. Use if there were errors in a
non-ARQ data transfer.
Return online, initiate a 2400 bps speed shift, and drop
down to 1200 bps. Applies only to calls at 2400 bps, and
may be used if the remote modem is a V .22 bis modem
and ATOl didn't work. Used mainly for testing purposes.
P Pulse dial (Default).
Qn Quiet mode: result codes displayed/ suppressed. DIP switch 3 is
factory set for result code display.
QO Result codes displayed.
Ql Result codes suppressed (quiet).
Q2 Result codes suppressed in Answer mode.
Sr=n Set S-Register value: r is any S-Register; n must be a decimal
number between 0 and 255.
Sr.b = n Alternative command for setting bit-mapped registers: r is the
bit-mapped register; .b is the bit; n is 0 (off) or 1 (on).
Sr? Query contents of register
r.
T Tone dial.
Vn Return result codes in words or numbers (Verbal/Numeric
mode). DIP switch 2 is factory set for verbal result codes.
VO Numeric mode.
Vl Verbal mode.
Xn
Result code set options. Use the following table (Default= Xl,
Extended set, codes 0-5, 10, 13, 18).
C-4 Command Summary
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