Canon REALiS 4K501ST Pro AV 매뉴얼

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.

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 
level. (

, 

)

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. (

)

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.