AirPrime and HL7548 AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 89
AT Commands Interface Guide
Mobile Equipment Control and Status
Commands
HL7518 and HL7548
Reference
Sierra Wireless
Proprietary
Notes
This command works without a SIM card inserted in the modem.
<mode> is automatically stored in non-volatile memory.
The setting takes effect immediately.
5.35. +CTZU Command: Automatic Time Zone
Update
HL7518 and HL7548
Test command
Syntax
AT+CTZU=?
Response
+CTZU: (list of supported <onoff>s)
OK
Read command
Syntax
AT+CTZU?
Response
+CTZU: <onoff>
OK
Write command
Syntax
AT+CTZU
=<onoff>
Response
OK
or
+CME ERROR: <err>
Parameters
<onoff> 0 Disable automatic time zone update via NITZ
1 Enable automatic time zone update via NITZ
Notes
<onoff> is saved in non-volatile memory over module reboot.
CTZU (onoff=1) is enabled by default for proper Verizon Administration (SIM
provision, OMADM, etc.)
5.36. +CTZR Command: Time Zone Reporting
HL7518 and HL7548
Test command
Syntax
AT+CTZR=?
Response
+CTZR: (list of supported <onoff>s)
OK