Zoom 2812 Owner's Manual page 50

O1 Enters data mode and retrains modem to phone line
conditions
P Pulse dialing until T command
Q0 Enables responses to computer (DTE)
Q1 Disables responses to computer
Comman Function
d
Sn Establishes S-register n as the default register
Sn=v Sets register n to value v
Sn? Returns the value of register n
T Tone dialing until P command
V0 Send numeric (terse) responses
V1 Send word (verbose) responses
W0 Reports DTE (computer-to-modem) speed only
W1 Reports DCE (modem-to-modem) speed, error correction
protocol, and DTE speed
W2 Reports DCE (modem-to-modem) speed only
X0 Sends OK, CONNECT, RING, NO CARRIER, ERROR and
NO ANSWER.
X1 Sends X0 messages and CONNECT speed
X2 Sends X1 messages and NO DIALTONE.
X3 Sends X1 messages and BUSY
X4 Sends all responses
Y0 Disables long space disconnect
Y1 Enables long space disconnect; with error correction,
hangs up after 1.6 second signal break; without error
correction, sends 4 second space before hanging up
Z0 Resets modem to profile 0. (See &W0.)
Z1 Resets modem to profile 1. (See &W1.)
&C0 Forces RLSD (DCD) on
&C1 RLSD (DCD) follows remote carrier
&D0 DTR is assumed on. Allows operation with DTEs that do
not provide DTR signal.
&D1 Modem interprets DTR drop as if it received the escape
sequence. Returns to command mode without
disconnecting.
&D2 DTR drop causes modem to hang up. Auto-answer is
inhibited
&D3 DTR drop causes modem to do soft reset. &Y setting
determines which profile is loaded.
&F Loads factory profile
&G0 Disables guard tone
50 56K Faxmodem Owner's Manual