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AT Commands Reference
4.4.2 Date Book Access Commands
This set of commands enables read/write access to the date book contained in the g20. These commands are optional, and are
only supported if the g20 offers date book operations.
4.4.2.1 +MDBL, Lock/Unlock Date Book
This command locks/unlocks the date book database. It is used primarily to synchronize the date book with PIM (Personal
Information Management) software.
Set Command
The set command forces a lock/unlock of the date book database.
Read Command
The Read command returns the current date book lock/unlock status.
Test Command
The Test command returns the current lock/unlock settings.
The following table shows the +MDBL parameters.
Example
AT+MDBL=?
+MDBL: (0-1)
OK
Command Response/Action
+MDBL=<n>
Command Response/Action
+MDBL? MDBL: <n>
Command Response/Action
+MDBL+? MDBL: (0-1)
Table 39. +MDBL Parameters
<Parameter> Description
<n> 0 Unlock date book
1 Lock date book