UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 81 / 247
Parameter
6.6. AT+CTZU Automatic Time Zone Update
Set command enables and disables automatic time zone update via NITZ. The configuration is stored to
NV automatically.
Parameter
<onoff>
Integer type, indicates the mode of automatic time zone update
0 Disable automatic time zone update via NITZ
1 Update GMT time to RTC, time zone to NVRAM
3 Update Local time to RTC, time zone to NVRAM
Example
AT+CTZU?
+CTZU: 0
OK
AT+CTZU=?
+CTZU: (0,1,3)
<numericn>
String type; operator in numeric format (see
+COPS
)
<alphan>
String type; operator in long alphanumeric format (see
+COPS
)
AT+CTZU Automatic Time Zone Update
Test Command
AT+CTZU=?
Response
+CTZU: (0,1,3)
OK
Write Command
AT+CTZU=<onoff>
Response
OK
ERROR
Read Command
AT+CTZU?
Response
+CTZU: <onoff>
OK
Maximum Response Time
300ms
Reference
3GPP TS 27.007
Quectel
Confidential