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46 536EX Chipset Developer’s Manual
Intel Confidential
Data Mode AT COMMANDS
&Wn 0
Store Active Profile: This command causes the modem to store a subset of the active profile command
and S-register configurations into the NVRAM user profile ‘n’.
n = 0* Store in user profile 0
n = 1 Store in user profile 1
&Yn 0
Select Stored Profile on Power-up: This command selects the particular stored user profile from the
NVRAM to be loaded into the active profile upon modem power-up.
n = 0* Select profile 0
n = 1 Select profile 1
&Zn=x none
Store Telephone Number: This command stores a telephone number up to 30 digits (including dial
modifiers) in the NVRAM. To dial the stored telephone number, use the ATDS=m command. Use the &V
command to see the stored telephone number.
n = 0–3
x = 0–9 A B C D # * T P R W @ , ! ;
%En 1
Auto-Retrain Control: This command controls whether the modem automatically initiates a modem
retrain whenever the received data signal quality falls below a threshold that may affect data reliability.
The value for ‘n’ is stored in the NVRAM.
n = 0 Disabled
n = 1* Enabled
%Gn 1
Rate Renegotiation: This command selects whether the modem automatically initiates a change to a
higher speed or lower speed depending on received signal quality (that is, rate negotiation). The modem
always responds to any rate change initiated by the remote modem.
n = 0 Disabled
n = 1* Enabled
-Cn 0
Generate Data Modem Calling Tone: This command allows the DTE to select whether the modem
sends a 1300 Hz calling tone or V.8 calling tone when originating a data modem connection.
n = 0* Calling tone disabled
n = 1 1300 Hz calling tone sent for all data modem connections
n = 2 V.8 calling tone sent for V.34 modulation and 1300 Hz calling tone sent for all other
modulations
Table 18. Data Mode Command Descriptions (Continued)
Command Default Description
NOTE: An asterisk (*) denotes the factory-default setting.