PJ558D User Guide
Page 7
... picture degradation or damage to operate after the projector has been powered off. The invisible residue left by the oil on your bare hands. ViewSonic PJ558D 13. The product should be situated away from heat sources such as this can result in a risk of fire or electric shock. Do... not block or place anything near these slots, or internal heat build-up may shorten the bulb life. When you replace the projector lamp, never touch the new bulb with ventilation holes (intake) and ventilation holes (exhaust). Use lint-free gloves or finger cots are recommended. ...
... picture degradation or damage to operate after the projector has been powered off. The invisible residue left by the oil on your bare hands. ViewSonic PJ558D 13. The product should be situated away from heat sources such as this can result in a risk of fire or electric shock. Do... not block or place anything near these slots, or internal heat build-up may shorten the bulb life. When you replace the projector lamp, never touch the new bulb with ventilation holes (intake) and ventilation holes (exhaust). Use lint-free gloves or finger cots are recommended. ...