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195
Troubleshooting
Other Information Troubleshooting
■ There is no Sound
■ The Projected Image Is Blurred
Images on a USB flash
drive cannot be
projected.
Projection from USB flash drives requires JPEG
images with a resolution not exceeding 10912x8640,
single-byte alphanumeric file names, and a FAT-
formatted drive.
The LAN cable (shielded
twisted pair) is not
connected correctly.
When [LAN] is selected in the [Input] menu, check
whether the LAN cable (shielded twisted pair) is
connected to the projector correctly. (P114)
Cause Countermeasure
The audio cable is not
connected correctly.
Check the audio cable connection. (P43 – P45)
The MUTE function is
enabled.
Press the MUTE button on the remote control. (P34)
The volume level is
adjusted to the
minimum.
Press the VOL button on the remote control or the
VOL+ button on the side control to adjust the volume
level. (P29, P34)
An audio cable with a
built-in resistor is used.
Use an audio cable without a built-in resistor.
Audio in terminal select
is [Off].
Change the Audio In terminal to the appropriate
setting. (P106)
Cause Countermeasure
The image is out of
focus.
Adjust the focus. (P53)
The distance to the
screen is too short.
Check whether the distance to the screen is
appropriate. (P41)
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. (P58)
The projector has been
moved to a place where
the temperature varies a
lot.
When the projector is moved from a location where
the temperature is low to a location where the
temperature is high, condensation may form on the
lens. The condensation will evaporate after a period
of time and the projector will be able to project a
normal image.
The lens is stained. Clean the lens. (P170)
The tracking is bad. Adjust the tracking with the [Auto PC] or [Tracking]
function. (P80, P81)
Cause Countermeasure
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