Safety notes 
   
Read the manual carefully before operating. Be aware of the safety and correct operation. The 
content below is focus on ZG3 series products only. 
   
Please safekeeping the manual, put in somewhere easy to get and read and give the manual to final 
user. 
 
 
 
 
 
 
●  Do not put the wire close to cable, keep 10cm distance at least. 
●  Do not change the inside module of product or it may cause fault, error action, loss, 
fire. 
●  When it smelly or noisy, cut the power immediately (short tweet after power on is 
normal). 
●  Do not press the screen with pen, screwdriver or other sharp tools, it may cause screen 
break or error. 
●  For installing the product, tighten the screws to avoid loose. 
●  Transport,  install,  store,  assemble  and  maintain  the  product  accurately  to  avoid 
breaking. 
 
●  Confirm the power voltage and wire connection before turn on the power in order to 
avoid breaking 
●  Do not touch the connection point to avoid getting an electric shock 
●  Do not open the back cover board 
●  Cut all the power before installation and take-down to avoid error and fault 
●  Please use in the surrounding the manual stated to avoid accident 
●  Do  not  use  the  product  under  the  condition  of  high  frequency  radiation,  strong 
magnetic field to avoid interference