Remote control does not work
Check
Action
Refer to
Are the batteries correctly loaded?
Match the polarities (
t
s
) correctly when loading the
batteries.
Are the batteries exhausted?
Replace with new batteries.
Is there an obstructing object between
the remote control and remote sensor?
Remove any obstructing object.
Is the remote control held too far away
from the unit?
Hold the remote control closer to the sensor during use. P. 13
Noise is heard
Check
Action
Refer to
Is the exhaust vent blocked?
Is the unit used near a heater or air-
conditioner?
Check the installation condition of the unit.
When the surrounding temperature of this unit is high, the
fan revolution speed increases to protect the projector unit,
hence a louder operating sound.
Is “High Altitude Mode” set to “On”?
Check the “High Altitude Mode” setting.
If “High Altitude Mode” is set to “On”, the fan spins at a
higher speed and produces a sound louder than usual.
There are small black or colored dots on the screen
The D-ILA device is manufactured using high-precision technologies, but there may be some (less than 0.01%) missing
pixels or pixels that remain permanently lit. This is not a malfunction.
49
Troubleshooting