1. During the operation, the operator should wear safety glasses.
2. Use a separate dedicated socket and reliably grounding.
3. If the power supply voltage is unstable, please use power regulator.
4. Regularly check whether the AC power cord is damaged, and whether the power plug or power outlet has dust accumulation.
5. If there is abnormal situation, or abnormal sound or smell, or machine is too hot to touch, immediately stop using it and unplug the AC power cord from the power outlet and all other cables.
6. If the machine fails, please contact the service staff to obtain necessary assistance.