
| 
 | 
 | Chapter 4 - AT Commands,  | 
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 | 
 | 
| 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  | 
| 
 | 
 | 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  | 
| Command: | &Yn | Select Stored Configuration for Hard Reset | 
| Values: | 
 | n = 0 | 
| Default: | 
 | 0 | 
| Description: | &Y0 | Select stored configuration 0 on  | 
| 
 | &Y1 | Not  | 
| Command: &Zy=x Store Dialing Command | ||
| Values: | 
 | y =  | 
| 
 | 
 | x = Dialing command | 
| Default: | 
 | None | 
| Description: | 
 | Stores dialing command x in memory location y. Dial the stored number using the command | 
| 
 | 
 | ATDS=y. See also the #CBSn command. For callback security options, see Chapter 6. | 
| Command: | \An | Select Maximum MNP Block Size | 
| Values: | 
 | n = 0, 1, 2, or 3 | 
| Default: | 
 | 3 | 
| Description: | \A0 | |
| 
 | \A1 | |
| 
 | \A2 | |
| 
 | \A3 | |
| Command: | \Bn | Transmit Break | 
| Values: | 
 | n =  | 
| Default: | 
 | 3 | 
| Description: | 
 | In  | 
| 
 | 
 | modem. Works in conjunction with the \K command. | 
| Command: | \Gn | Modem Port Flow Control | 
| Values: | 
 | n = 0 | 
| Default: | 
 | 0 | 
| Description: | \G0 | Returns an OK for backward compatibility with some software. | 
| 
 | \G1 | Not  | 
| Command: | \Jn | Data Buffer Control | 
| Values: | 
 | n = 0 | 
| Default: | 
 | 0 | 
| Description: | \J0 | Enable data  | 
| 
 | \J1 | Disable data  | 
| MT4X56USB | 45 |