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CHAPTER 4: AT Commands, S-Registers, and Result Codes
Command: &V Display Current Settings
Values: n/a
Description: Displays the active modem settings, including the
callback security settings if callback security is
enabled. If the setup password has been entered, it
also displays the callback security passwords.
Command: &Wn Store Current Configuration
Values: n=0
Default: None
Description: &W0 Stores current modem settings in nonvolatile
memory and causes them to be loaded at power-on
or following the ATZ command instead of the
factory defaults. See also the &F command.
&W1 Clears user default settings from nonvolatile
memory and causes the factory defaults to be
loaded at power-on or following the ATZ command.
Command: &Yn Select Stored Configuration for Hard Reset
Values: n=0
Default: 0
Description: &Y0 Select stored configuration 0 on power-up.
(For backward compatibility with some software.)
&Y1 Not supported—responds ERROR.
Command: &Zy=x Store Dialing Command
Values: y=0–1
x=Dialing command
Default: None
Description: Stores dialing command x in memory location y.
Dial the stored number using the command
ATDS=y.
Command: \An Select Maximum MNP Block Size
Values: n=0, 1, 2, or 3
Default: 3
Description: \A0 64-character maximum.
\A1 128-character maximum.
\A2 192-character maximum.
\A3 256-character maximum.