About Your ProjectorTop View Bottom View7 91662.3 202354 55.00 55.0081 Control panel2Focus ring3 Lens4 Elevator button for height adjustments53 W speaker6IR receivers7 Mounting holes for ceiling mount: Screw hole M3 x 6.5 mm depth.Recommended torque <15 kgf-cm8 Mounting hole for tripod: Insert nut 1/4"*20 UNC9Elevator footCAUTION: Safety Instructions1 Do not use the projector near appliances that generate a lot of heat.2 Do not use the projector in areas where there is an excessive amount ofdust. The dust may cause the system to fail and the projector willautomatically shut down.3 Ensure that the projector is mounted in a well-ventilated area.4 Do not block the ventilation slots and openings on the projector.5 Ensure the projector operates between ambient temperatures (5 °C to35 °C).Your Dell Projector 5Downloaded from ProjectorsManual.com Manuals