1  Note 
1.1  Installation Precautions 
  Do not near flammable or conductive items, high temperature, direct sunlight or moist 
environment, or on PC chassis, and check whether other home equipment placed around 
stability 
  Check the cable line. Test and confirm the ac or dc input voltage in the range of allowable, 
and direct current (dc) correct polarity. 
  Unless the manufacturer has given permission, please use the volume and the types of the 
power supply with Ming products attached adapter 
  To prevent lightning damage to the product, make sure that the power outlet and the power 
adapter ground are securely grounded. In the thunderstorm, be sure to unplug the power and 
all the connections. 
  Equipment shall be less than 10% of the input voltage fluctuations, power plug with a 
refrigerator, hair dryer, electric iron not use the same socket. 
  To avoid any damage to body by power socket overload, or damage to cause electric shock or 
fire plug, please check the power cord, if found damaged, please change immediately. 
  Please place the equipment on the smooth plane and equipment cannot be placed on other 
items. 
  Equipment is easy heat when working, should maintain the appropriate cooling space to 
avoid damage caused by overheating products. The elongated holes on the housing are 
designed for heat dissipation. Keep the ventilation clean and prevent the items from falling 
into the inside of the equipment. Doing so may cause damage or fire to the equipment. Do 
not spill liquid onto the surface of the equipment. 
 
1.2  Precautions for Use 
  Please read the user manual carefully before using the equipment and follow all the 
precautions on the user manual.   
  Do  not  look  straight  at  fiber  which  may  damage  the  eyes.  Please  wear  safety 
glasses  to  effectively  protect  your  eyes  from  damage.  Wear  the  fiber  cap  when
  fiber  no  in  use.