Professional in producing projection screens over 11 years
When the projection screen is not needed, the screen should be rolled back into the protective box. After each use, check whether there is dust or dirt on the surface of the screen. If it is found, use a soft cloth brush to clean it.
■Notes: When rolling the curtain into the metal shell, check the surface of the curtain to ensure that it is free of dust and foreign matter before it can be rolled back. The curtain can be used frequently, but the continuous use time can not exceed 5 minutes each time, otherwise it will make the motor heat up. If you need to use it continuously, wait until the motor cools down before using it. The motor does not need to add lubricant.
Professional in producing projection screens over 10 years
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