
| DART 200 CDPD Modem User’s Guide | F DART AT Command Set | 
Table F-3.  Commands beginning with backslash (\) (cont.)
| \P | Set PIN Requirement; Change PIN | |
| 
 | Allows the user to require, not require, or change the modem’s PIN. The PIN is used as a password to | |
| 
 | prevent unauthorized access to the CDPD network. Refer to Chapter 3, CDPD Security Features, | |
| 
 | Modem security management, and the AT*E command. The current PIN value cannot be displayed. | |
| 
 | The default PIN value is 0000. | |
| 
 | The use of a PIN can be required with the AT^F command. | |
| 
 | Format: | 
 | 
| 
 | AT\P+<current PIN> | Require PIN | 
| 
 | Do not require PIN (this is the default setting) | |
| 
 | AT\P=<current PIN>, | The new PIN replaces the current PIN | 
| 
 | <new PIN>, <new PIN> | |
| 
 | Result codes: | 
 | 
| 
 | OK | Valid argument | 
| 
 | ERROR | Invalid argument, or function in conflict with ^F command | 
| 
 | BLOCKED | Command ignored (see AT*U command) | 
| 
 | 
 | |
| \Q | Set Flow Control Operation | |
| 
 | Specifies the flow control method used by the DART. Refer to Chapter 8, Application Programming, | |
| 
 | Flow control considerations, for more information | |
| 
 | Format: | 
 | 
| 
 | AT\Q0 | No flow control | 
| 
 | AT\Q1 | |
| 
 | AT\Q2 | Hardware flow control (default) | 
| 
 | AT\Q3 | Both | 
| 
 | Result codes: | 
 | 
| 
 | OK | Valid argument | 
| 
 | ERROR | Invalid argument | 
| 
 | 
 | |
| \R | Network Registration Control | |
| 
 | Causes the modem to register or deregister with the CDPD network. Upon deregistration, any | |
| 
 | outstanding connection is terminated and the DART can no longer participate in network operations. | |
| 
 | ||
| 
 | combination with the \R4 option puts the DART into automatic registration mode. Refer to Chapter 8, | |
| 
 | Application Programming, Automatic registration, for more information. | |
| 
 | Format: | 
 | 
| 
 | AT\R0 | Deregister from the network. Also resets automatic registration mode until the | 
| 
 | 
 | modem is reset. | 
| 
 | AT\R1 | Register as an active MES on the network (default) | 
| 
 | 
 | 
 | 
| Sierra Wireless, Inc. | 
