Problem

Cause and solution

White dots are seen on projected

This symptom is normal for a DLP projector and is

images.Black dots are seen

not a malfunction. (A very small number of pixels

may stay lit or out, but such sympton is not a

onprojected images.

malfunction. Pixels of 99.99% or more are effective.)

Rainbow blurprojected images.

This is due to color breaking noise that occurs in a DLP

system and is not a malfunction.

 

Fine streak pattern appears in

It occurs because of interference with the screen

and isn’t a product malfunction. Change the screen

projected images.

or readjust the focus of the projector.

 

 

Connect the cable’s plug with the external device’s

 

connector firmly.

 

Keep the projector away from equipment generating

 

interfering radio waves.

Projected images appear wavy

When the keystone adjustment is carried out, the

and distorted.

image may not be displayed correctly because of

the type of input signal. This isn’t a product

 

 

malfunction. In this case, readjust the keystone

 

so that the amount of keystone correction is as

 

small as possible.

Tint in projected images is

Check that the cable connected to the external

incorrect.

device isn’t broken.

Only the motion areas in the

This is caused by the computer being used. Contact

images supplied from the

the manufacturer of your computer.

computer aren’t displayed.

 

 

Match the output resolution of your computer with the

 

resolution of the projector. For the method to change

Projected images are

the output resolution of the computer, contact the

manufacturer of your computer.

obscured.

Some images and texts appear obscured during

 

the keystone adjustment. In such cases, use the

 

projector without applying the keystone

 

adjustment.

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Canon DC-4365, DC-5381, DC-4381, DC-5384 manual EN-31
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DC-5384, DC-5381, DC-4365, DC-4381 specifications

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