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TROUBLESHOOTING
You cannot hear sound.
The projected image is blur.
You cannot project an image appropriately.
Cause Countermeasure
The audio cable is not connected
correctly.
Check the cable connection of the audio cable (P36).
The [MUTE] function is enabled. Press the [MUTE] button on the remote control (P76).
The volume level is adjusted to the
minimum.
Press the [VOL+] button on the remote control or top control to
adjust the volume level (P77).
An audio cable with a built-in resis-
tor is used.
Use an audio cable without a built-in resistor.
Cause Countermeasure
The image is out of focus. Adjust the focus (P49).
The lens cap is not removed. Remove the lens cap.
The distance to the screen is too
short.
Check whether the distance to the screen is appropriate. If the
distance is shorter than approximately 1.2 m (3.9'), the projec-
tor cannot focus on the screen (P30, 129).
The projector is not placed straight
in front of the screen.
Check whether the projector is placed obliquely to the screen.
A slight error in the projection angle can be corrected through
the keystone adjustment function (P39, 50).
The projector has been moved to a
place where the temperature varies
a lot.
When the projector is moved from a low-temperature place to
a high-temperature place, condensation may form on the lens.
The condensation will evaporate a while later and the projec-
tor will be able to project a normal image.
The lens is stained. Clean up the lens (P116).
Cause Countermeasure
The projected image is inverted in
the vertical or horizontal direction.
The ceiling mounted/rear projection setting is incorrect. Check
the [Image flip H/V] setting in the [Display settings] menu
(P95).