There is no sound, The projected image is blurred, There is no sound ■ the projected image is blurred – Canon REALiS 4K501ST Pro AV 5000-Lumen LCoS Projector User Manual
Page 190

Troubleshooting
190
■
There is no Sound
■
The Projected Image Is Blurred
The displayed image is
not the same as that
displayed on the
computer.
Check whether the dual screen (multi-display) mode
is selected on the computer. If dual screen mode is
selected, change the computer display output to
mirroring mode.
The output setting method varies among computer
manufacturers. For more detailed information, refer
to the manual that came with your computer.
Cause
Countermeasure
The audio cable is not
connected correctly.
Check the audio cable connection. (
,
The MUTE function is
enabled.
Press the
MUTE
button on the remote control. (
)
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
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. (
Cause
Countermeasure
The image is out of
focus.
Adjust the focus. (
The distance to the
screen is too short.
Check whether the distance to the screen is
appropriate. (
)
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. (
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. (
Video is blurred.
Activate motion blur reduction. (
)
Motion blur reduction is
not available.
Motion blur reduction is not available in DICOM SIM
image mode.
Cause
Countermeasure