Yueming MF20 - 2.6.2 High voltage risk; 2.6.3 Risk of electric shock

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2.6.2 High voltage risk
The external power supply is at 220V.
2.6.3 Risk of electric shock
The followings are required for operating of installing the electric machine:
Note
 Wavelength of CO2 laser device of this class is 10.6μm and it is a class 4 laser device;
 You are recommended to use SD-5 type of protective glasses made by Shield
Company.
Warming
 You are prohibited to directly watch strong light and laser even with laser-proof glasses
on;
 Laser-proof glasses are made from high polymer material, and dipping into organic
solvent or cleaning with it are prohibited;
 It is a must to replace the laser-proof glasses at the expiration.
Warming
 High voltage 220V!
 The voltage over 50V and the current over 20mA are with the risk of danger and
may cause death.
 Only the maintenance personnel from the manufacturer are permitted to
perform operation on the inner parts
Warming
 While operating electric machine or device, mis-operation or neglect during operation
may possibly cause serious hurt or human body or even death;
 Technicians with related qualifications are required for operating the electric machine or
device or perform operation under their supervision.
Version of glasses wearing
Standard design