WM620 AT
Command Manual
Copyright © Neoway Technology Co., Ltd
17
The module is idle (no voice, data, and SMS service)
If the module communicates with the DTE only through USB, all the following
conditions must be met to let the module enter the sleep mode:
All conditions for UART communication
USB Suspend function is enabled on the DTE or the USB stops supplying
power.
The module will not respond to AT commands after the module enter the
sleep mode.
2.8 Clock: +CCLK
Description
To set and query the real-time clock
Format
AT+CCLK=<time> <CR>
AT+CCLK? <CR>
Parameter
< time >: Character string in format of YY/MM/DD,hh:mm:ss+TZ.
TZ: Two digits, indicating the time lag between the local time and the GMT time.
This information is optional because it can be displayed only when the network
supports it.
Return Value
See the Example
.
Example
AT+CCLK="11/11/14,09:30:16"
OK
Set the real-time date and time.
AT+CCLK?
+CCLK: "11/11/14,09:30:26"
OK
Query current date and time.
Get current date and time.
Remarks
The setting of this command can be saved after the module is powered off.
2.9 Setting the Baudrate of the Module: +IPR
Description
To set the baudrate of the module
Format
AT+IPR=<baud rate> <CR>
AT+IPR? <CR>
Parameter
<baud rate>: The value can be 300, 600, 1200, 2400, 4800, 9600, 14400, 19200,