Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 163 2012.12.10
Scope: (0-124), (128-251), (512-885) or (975-1023).
Reference Note
6.2.53 AT+SLEDS Set the Timer Period of Net Light
AT+SLEDS Set the Timer Period of Net Light
Response
+SLEDS: (1-3),(0,40-65535),(0,40-65535)
OK
Test Command
AT+SLEDS=?
Parameters
See Write Command
Response
+SLEDS: <mode>,<timer_on>,<timer_off>
OK
Read Command
AT+SLEDS?
Parameters
See Write Command
Response
OK
ERROR
Write Command
AT+SLEDS=<m
ode>,<timer_on>
,<timer_off>
Parameters
<mode>
1 set the timer period of net light while SIM900 does not register to
the network
2 set the timer period net light while SIM900 has already registered to
the network
3 set the timer period net light while SIM900 is in the state of PPP
communication
<timer_on>
Timer period of “LED ON” in decimal format which range is 0 or
40-65535(ms)
<timer_off>
Timer period of “LED OFF” in decimal format which range is 0 or
40-65535(ms)
Reference Note
The default value is :
<mode>,<timer_on>,<timer_off>
1,53,790
2,53,2990
3,53,287