NEC 40,000-Lumen 4K Laser Installation Projector - Manual (Page 25)

8
1. Introduction
Rear of the projector
1
1
2
2
4
3
1. Air inlet / Air filter
The air inlet for cooling inside the projector. Do not cover.
Two filters are attached over the air inlet to prevent dust. Refer to “ ❸ Cleaning the Air Filters” ( → page 142 ) on how
to clean the air filters.
2. Air outlet
The air outlet to exhaust heat inside the projector. Do not cover.
3. Buzzer (inside rear of projector)
The buzzer rings when the power is turned on or an error has occurred.
4. Remote Sensor
NOTE:
• Do not cover the air inlets and outlet while the projector is in operation. Insufficient ventilation leads to a rise of the internal
temperature and may cause a fire or malfunction.