LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 82 / 231
Parameter
<onoff>
Integer type. The mode of automatic time zone update.
0 Disable automatic time zone update via NITZ.
1
Enable automatic time zone update via NITZ
3 Enable automatic time zone update via NITZ and update LOCAL time to RTC
Example
AT+CTZU?
+CTZU: 0
OK
AT+CTZU=?
+CTZU: (0,1,3)
OK
AT+CTZU=1
OK
AT+CTZU?
+CTZU: 1
OK
6.7. AT+CTZR Time Zone Reporting
This command controls the time zone reporting of changed event. If reporting is enabled, the MT returns
the unsolicited result code
+CTZV: <tz>
or
+CTZE: <tz>,<dst>,<time>
whenever the time zone is
changed. The configuration is stored to NV automatically.
OK
Maximum Response Time
300ms
Reference
3GPP TS 27.007
AT+CTZR Time Zone Reporting
Test Command
AT+CTZR=?
Response
+CTZR: (0-2)
OK