Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  182  2015-08-03 
 Amount of arfcn to be set. Up to 3 arfcn supported. 
<locked arfcn list> 
 Arfcn needs to be locked by user. 
 Scope: (0-124), (128-251), (512-885) or (975-1023). 
Parameter Saving 
Mode 
AUTO_SAVE 
Max Response 
Time 
- 
Reference 
 Note 
6.2.48 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 SIM800 series does not 
register to the network 
2 Set the timer period net light while SIM800 series has already 
registered to the network 
3 Set the timer period net light while SIM800 series 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) 










