Chapter 13 – Specific AT Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 123
32kHz Power Down Mode +W32K
Description: This command allows the 32kHz power down mode to be enabled or disabled:
• When power down mode is entered, the product uses a 32kHz internal clock during inactivity
stages (regardless of its nominal internal clock).
• When enabled, power down mode is active after 1 to 15 minutes. The mode is not stored in
EEPROM: the command has to be repeated after a reset.
For additional information on power down mode, see Specification of Power Down Control via
RS232 in the Appendix.
Values: <mode>
0 Disable 32kHz powerdown mode
1 Enable 32kHz powerdown mode
Syntax: Command syntax: AT+W32K=<mode>
Command Possible responses
AT+W32K=1
Note: Enable 32kHz power down mode OK
Note: 32kHz power down mode is enabled
AT+W32K=0
Note: Disable 32kHz power down mode OK
Note: 32kHz power down mode is disabled
Change Default Melody +WCDM
Description: This command allows a the selection of a manufacturer-specific melody. This default melody will be
played for any new incoming voice call, either on the buzzer or on the speaker.
Values: <melody>
0 No melody (default)
1…10 Melody 1 to 10
<player>
0 Melody n°<melody> will be played on the buzzer for any new incoming voice call. Default.
1 Melody n°<melody> will be played on the speaker for any new incoming voice call.
Syntax: Command syntax: AT+WCDM=<melody>,<player>
Command Possible responses
AT+WCDM=0
Note: Select no melody OK
AT+WCDM=5
Note: Select melody n°5 OK
AT+WCDM?
Note: Indicate the current melody +WCDM: 5,0
OK
Note: Melody n°5 is currently selected, and the buzzer is
selected to play it.
RING
Note: An incoming call occurs, and the melody n°5 is played
on the buzzer.
AT+WCDM=,1
Note: Select the speaker to play the
melody on.
OK
AT+WCDM? +WCDM: 5,1
OK
Note: Now the speaker is selected to play the melody if an
incoming call occurs.