RCA RLC1909 Instruction Manual page 7

NOTES OF WALL INSTALLATION
(1) Keep the TV stand for may be future use.
(2) Don't set the TV set on shelves, carpets, beds, or closets.
(3) Don't cover the TV with curtain or paper.
(4) Leave ventilation space to avoid the following:
No good for ventilation
No good for ventilation
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