Are there any safety instructions I should be aware of for my HDTV box?

Ventilate
The high-definition set top box has been designed to operate reliably in a well ventilated household environment. Slots and openings in the unit cabinet are provided for ventilation. These openings should never be blocked by placing the product on a bed, sofa, rug or similar surface. The unit should be positioned with at least two inches of space above and on all sides.

Safety Instructions
Step 1: Position the set top box with at least two inches of space above and on all sides. Step 2: Do not block the slots and openings in the set top box. Step 3: Do not place anything on top of the set top box. Step 4: Do not position the set top box in an enclosed space that would restrict air flow around the unit. Step 5: Do not position the set top box near any external heat source that could raise the temperature around the unit.