Dell Inspiron 1120 Hardware Manual page 4

rate i.e., OK, CONNECT, RING, NO CARRIER, NO
ANSWER, CONNECT XXXX, BUSY and ERROR
X4 ATX4 Report all call progress result codes and connection rate
i.e., OK, CONNECT, RING, NO CARRIER, NO ANSWER,
CONNECT XXXX, BUSY, NO DIAL TONE and ERROR
Y0 ATY0 On the next reset, use &W settings
Y1 ATY1 On the next reset, use &W1 settings
Y2 ATY2 On the next reset, use &F settings
Y3 ATY3 On the next reset, use &F1 settings
Y4 ATY4 On the next reset, use &F2 settings
Z0 ATZ0 Reset the modem according to the settings of ATY
Z1 ATZ1 Reset the modem and use &W settings
Z2 ATZ2 Reset the modem and use &W1 settings
Z3 ATZ3 Reset the modem using &F settings and load factory
default profile 1
Z4 ATZ4 Reset the modem using &F1 settings and load factory
default profile
Z5 ATZ5 Reset the modem using &F2 settings and load factory
default profile 2
$ AT$ Display the list of AT commands
&$ AT&$ Display the list of ampersand commands
&A0 AT&A0 Disable data compression result codes
&A1 AT&A1 Enable data compression result codes
&A2 AT&A2 Enable modulation result codes
&A3 AT&A3 Enable data compression result codes and add V.42bis
and MNP 5 protocol indicators
&B0 AT&B0 Use a floating DTE speed
&B1 AT&B1 Use a fixed DTE speed
&B2 AT&B2 Use a fixed DTE speed when using data compression
&C0 AT&C0 Carrier detect is always on
&C1 AT&C1 Carrier detect is controlled by the modem
&D0 AT&D0 Ignore DTR
&D1 AT&D1 Use online command mode
&D2 AT&D2 DTE controls DTR
&D3 AT&D3 DTE controls DTR and reset
&F0 AT&F0 Set the factory profile that uses hardware (RTS/CTS) flow
control (this is the active profile when the modem is
shipped)
&F1 AT&F1 Set the factory profile that uses hardware (RTS/CTS) flow
control
&F2 AT&F2 Set the factory profile that uses software (XON/XOFF)
flow control
&G0 AT&G0 No guard tone
&G1 AT&G1 Use 550 Hz guard tone
&G2 AT&G2 Use 1800 Hz guard tone
&H0 AT&H0 Flow control for transmitted data - Disable flow control
&H1 AT&H1 Flow control for transmitted data - Enable hardware flow
control (RTS/CTS)
&H2 AT&H2 Flow control for transmitted data - Enable software
(XON/XOFF)
X
X
X
X
X
X
X
X