Technical information

Table Of Contents
Chapter 3: AT Commands Reference
January 31, 2007 AT Commands Reference Manual 3-83
The following table shows the +CCLK parameters.
Example
AT+CCLK=?
+CCLK: "88/12/31, 23:59:59, (-47-+48)"
OK
AT+CCLK="01/01/01, 01:01:01-08"
OK
AT+CCLK?
+CCLK: "01/01/01, 01:01:01-08"
OK
AT+CCLK="02/02/02, 02:02:02"
OK
Power cycling…
AT+CCLK?
+CCLK: "02/02/02, 02:02:02+00"
OK
AT+CCLK="03/03/03, 03:03:03+50"
+CME ERROR: Numeric parameter out of bounds
Test
+CCLK=? +CCLK (list of
supported <time>s)
OK
or:
+CME ERROR: <err>
The Test command returns valid
parameters for the +CCLK Set
command.
Execute
+CCLK OK
or:
+CME ERROR: <err>
The Execute command causes system
clock to be overridden by network
System Clock value immediately.
Note:
CCLK Read command will
represent the network update
time after CCLK Execute
command . This value will be
represented after power-cycle
as well.
Table 3-43: +CCLK Parameters
<Parameter> Description
<time> ASCII string of format:
yy/MM/dd,hh:mm:ss±zz
or
yy/MM/dd,hh:mm:ss
yy - 2-digit year [2000-2069]
MM - 2-digit month [01-12]
dd - 2-digit day of month [00-31]
hh - 2-digit hour [00-23]
mm - 2-digit minute [00-59]
ss - 2-digit seconds [00-59]
zz - (optional) time zone offset from GMT, in quarter-hours [-47...+48]. If this value is
not specified, the time zone offset will be 0.
Command Type Syntax Response/Action Remarks