
AT Command Set and S-Registers
14-73920-A2-GH30-40 October 1998
Table 14-2
(2 of 10)
392xPlus AT Commands
AT
Command
DCP LCD
Command
Sequence
Description
DS=n Dial Stored Number. Dials the number stored in Location n (1–24). (To store a
telephone number, refer to the &Zn=x command.)
Call Setup\Dial\
Dial Directory
En Command Character Echo.
E0 Disables echo to the DTE.
E1 Enables echo to the DTE.
Configure\Edit\
DTE Dialer
Hn Hook Switch Control.
H0 Modem goes on-hook.
H1 Modem goes off-hook.
H0: Call Setup\
Disconnect or
Control\Remove
Make Busy
H1: Control\Make
Busy
In Identification.
I0 Displays product code — 144.
I1 Displays 3-digit firmware revision number.
I2 Performs an EPROM check.
Status\Identity
Ln Speaker Volume.
L0 Selects low volume.
L1 Selects low volume.
L2 Selects medium volume.
L3 Selects high volume.
Control\Speaker
Configure\Edit\
Misc
Mn Speaker On/Off.
M0 Speaker always OFF.
M1 Speaker ON until carrier signal is detected.
M2 Speaker always ON.
Control\Speaker
Configure\Edit\
Misc
O Return to Online or Data Mode. Returns modem to Data mode from Online
Command mode.
None
P Pulse Dial. Sets the modem for Pulse Dial mode.
NOTE: Pulse Mode is disabled in Denmark and Sweden.
Configure\Edit\
Line Dialer
Qn Result Codes.
Q0 Enables modem to send result codes to the DTE.
Q1 Disables modem from sending result codes to the DTE.
Q2 Enables in Originate mode only for modem to send result codes to
the DTE. Required for most UNIX applications.
Configure\Edit\
DTE Dialer
Sn=r Change S-Register. Changes contents of S-Register (where n is the S-Register,
and r is the new value).
None
Sn? Display S-Register. Displays value of S-Register where n is the S-Register
number.
None
T Tone Dial. Sets the modem for tone dial mode. Configure\Edit\
Line Dialer
Vn Result Codes Format.
V0 Displays result codes in Number (1) format (digits).
V1 Displays result codes as text.
V2 Displays result codes in Number (2) format (digits).
Configure\Edit\
DTE Dialer
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