ViewSonic PJ502 User Manual - Page 12

About the filter cover for a unit installed bottom side up WARNING X Do not replace the filter cover during use or immediately after use. While the projector is connected to a power supply or is in a high temperature state, handling the projector could cause electric shock, a fire, a burn and/or malfunction to the projector. Before handling, make sure the power switch is off and the power cord is not plugged in, then wait at least 45 minutes. When the projector is installed bottom up, please use the accessory filter cover for bottomup use. It is higher than usual filter cover, to keep the space for intake ventilation. Please change in the following procedure. Filter cover's knob Filter cover's knob To remove To set 1. After making sure that the projector is adequately cool, carefully turn over the projector over so the bottom is facing up. 2. While sliding it in the direction of the arrow and removing, put a finger on the filter cover knob. 3. Replace the filter cover for bottom-up use and snap it back into place. 4. Slowly turn up the projector so that the top is facing up. ViewSonic PJ502 9