NEC WT615 - Manual (Page 140)

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7. Maintenance
* The projector has a sensor which detects an object in front of the largest mirror or in the light path. If the sensor
detects any object, the projector will not turn on. If this happens while the projector is turned on, the image is
muted. In either case the STATUS indicator flashes in red.
* The projector has a temperature sensor which detects excessive heat. If the sensor detects heat in the bottom
of the mirror or in the light path, the projector will not turn on. If this happens while the projector is turned on, the
projector will turn off (the Standby mode). In either case the STATUS indicator flashes in red.
ᕢ Cleaning the Cabinet
1. Turn off the projector before cleaning.
2. Clean the cabinet periodically with a damp cloth. If heavily soiled, use a mild detergent. Never use strong
detergents or solvents such as alcohol or thinner.