Fibocom G510 - System Date and Time; 6.2.1 +CCLK, Read;Set System Date and Time

G5/G6-Family AT Commands User Manual Page
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<text>
Text identifier for a phone book entry, according to the character set as specified by
command +CSCS.
<nlength>
The maximum size of a phone number, in digits. There is a limited number of PB
records that can be stored with this length. The number of "long" PB records depends
on the size of the SIM card EXT1 extension file. If the extension file is full, an attempt
to store a new record with more than 20 digits returns an error.
<tlength>
The maximum number of characters in the <text> entry. This applies to GSM standard
characters only. Non-GSM standard character sets and extended GSM characters
require additional space in storage. In some cases, when using such characters the
text cannot be stored. In this case, the Module returns a "text string too long"error.
6.2 System Date and Time Access Commands
6.2.1 +CCLK, Read/Set System Date and Time
This command reads and sets the Module current date, time and time zone.
Command
Syntax
Response/Action
Remarks
Set
+CCLK=<ti
me>
OK
or:
+CME ERROR:
<err>
The Set command sets the date, time and time zone
of the system clock.
Note: Set Command sets user defined system clock
values and saves them in the NVM memory. These
saved values are kept after power-cycle as well.
Read
+CCLK?
+CCLK: <time>
OK
or:
+CME ERROR:
<err>
The Read command returns the current date, time
and time zone setting.
By default, <time> will represent the network
updated time.
If the user has used the Set command once, then
<time> will represent the Set command setting.
Note: If network operator does not support System
Clock Update Message, the initial date, time and
time zone, displayed by CCLK Read Command
could be invalid (user's responsibility to set date,
time and time zone by CCLK Set Command).
Note: See Execute Command for how-to enable
back network update time.