Ericsson T39 - Technical Data Specifications; General Product Specifications; GSM Data Transmission Rates

AT Commands Phone Terminal Terminated 119
AT*EDST Daylight Saving Time
AT+CTZU Automatic Time Zone Update
1 The motion snooze function is enabled
Description: Sets the daylight saving time hours.
Note: It is recommended that the daylight saving time is set with this command
before setting the actual local time with AT+CCLK.
Set command: AT*EDST=<dst>
Read command: AT*EDST? Displays the current <dst> setting.
Test command: AT*EDST=? Shows if the command is supported.
Test command
response:
*EDST: (list of supported <dst>s)
Parameter:
<dst>:
<dst> Description
0 Standard time
Default setting
1 Daylight saving time, +1 hour
2 Daylight saving time, +2 hours
Description: Enables and disables the automatic time zone update via NITZ.
Set command: AT+CTZU=<onoff>
Read command: AT+CTZU? Displays the current <onoff> setting.
Test command: AT+CTZU=? Shows if the command is supported.
Test command
response:
+CTZU: (list of supported <onoff>s)
Parameter:
<onoff>:
<onoff> Description
0 The automatic time zone update is disabled
Default setting
1 The automatic time zone update is enabled
<onoff> Description