4-4 
 
4.1.2  Setting/removing SIM card 
Please make sure that SIM card is inserted correctly before turning on the power every time. 
 
 
 
 
 
 
 
 
Do not set/remove the SIM card during power switch is turned on.     
 
 
SIM card setting procedure (Before power switch is turned on) 
1) 
Remove the SIM card protector by unscrewing cross-head screws on front 
panel.
 
 
 
 
2)  Insert your SIM card with the metal side down. Push it in until you 
hear the SIM card slot make a click sound. 
 
 
 
 
3)  Fasten the SIM card by sliding the black knob. 
 
 
 
 
4)  Restore the SIM card protector by driving the screws in. 
 
     
           
 
NOTE 
・  JUE-501/JUE-251  will not work without a valid SIM
  card, which is furnished from the 
Distribution Partner. 
・  Make sure that power switch is correctly turned off, before you set/remove the SIM card