Samsung QET 85" Class 4K UHD Commercial LED Display - Manual (Page 7)

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When installing the product, fix it firmly so that it does not fall.
If the product is not fixed firmly and a child touches the product while
playing, the product may fall, causing damage to the product or injury
to the child.
Do not install the product in a kitchen or near a kitchen counter.
Edible oil or oil vapor can damage or deform the product.
Have a technician install the wall-mount hanger.
Installation by an unqualified person can result in an injury. Only use approved
cabinets.
If the product is installed in an unusual location, the surrounding environment may
cause a serious quality problem. Therefore, be sure to contact Samsung Customer
Service Center before installation.
(Places where many fine dusts are generated, places where chemicals are used,
places with too high or low temperatures, places with a lot of moisture or water,
transportation equipment such as vehicles, airports and stations used continuously
for a long time, and more)
Caution
Do not drop the product while moving.
The product may fall, causing personal injury or product damage.
Do not lay down the product on its front.
The screen may become damaged.
Prolonged exposure to direct sunlight may discolor the surface of the screen display.