Canon Projector WUX450 User Manual

281
Troubleshooting
Appendix
Other Information
Symptoms and Solutions
■You Cannot Turn on the Projector
WARNING 
(only) flashes 5 
times 
repeatedly.Faulty power 
supplyAbnormal voltage is applied to some parts in the 
power supply or another failure may have 
occurred. Unplug the projector from the electrical 
outlet, then plug it back into the outlet and turn on 
the projector again. Contact the Canon Customer 
Support Center if the same warning occurs 
again.
WARNING 
(only) flashes 3 
times...

Troubleshooting
282
■You Cannot Project an Image from the Projector
Cause Countermeasure
A cable is not connected 
correctly.Check whether the projector is connected to the 
computer or AV equipment correctly. (P137, P140)
20 seconds have not 
elapsed since the 
projector was turned on.When the projector is turned on, the opening window 
is displayed for approximately 20 seconds. To project 
an image immediately, press the OK button on the 
remote control or side control. (P52)
No image is sent from 
the...

283
Troubleshooting
Appendix
Other Information
■There is no Sound
Images on a USB flash 
drive cannot be 
projected.Projection from USB flash drives requires JPEG 
images with a resolution not exceeding 7000x7000, 
single-byte alphanumeric file names, and a FAT-
formatted drive.
Split-screen display is 
not available.Split-screen display is not available when projecting 
images from USB flash drives or over a network.
The LAN cable (shielded 
twisted pair) is not 
connected correctly.Check whether the...

Troubleshooting
284
■The Projected Image Is Blurred
Cause Countermeasure
The image is out of 
focus.Adjust the focus. (P59)
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. (P68)
The projector has been 
moved to a place where 
the...

285
Troubleshooting
Appendix
Other Information
■You Cannot Project an Image Appropriately
■The Projector Power Turns Off
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 
[Install settings] menu. (P146)
The dot clock of the input 
signal is higher than 162 
MHz with a BNC cable.Set the signal dot clock to 162 MHz or less on your 
computer.
A computer cable...

Troubleshooting
286
■You Cannot Operate the Remote Control
■You Cannot Control Networked Multi-Projection
If the above causes cannot be identified, the projector may be damaged. 
Contact the Canon Customer Support Center as soon as possible.
Cause Countermeasure
Batteries are not 
installed properly or they 
have run out.Check whether batteries are installed correctly. If 
batteries are installed correctly, replace them with 
new batteries. (P34)
You are operating the 
remote control from the 
outside of...

287
Appendix
Other Information
Relationship between Aspect and Screen Aspect
This section describes the relationship between screen aspect (P60) and aspect 
(P66).
Select an optimum aspect ratio of the projected image (screen aspect) or an 
optimum screen mode (aspect) according to the aspect ratio of the screen, type of 
input image signal and so on for the projection to make best use of the screen size.
•If a computer image with an aspect ratio of 16:9 is not projected correctly when 
the setting is...

Relationship between Aspect and Screen Aspect
288
■When the image is projected on a 16:9 screen
■When the image is projected on a 4:3 screen
Aspect ratio of 
connected deviceScreen aspect 
setting (P60)Aspect setting (P66) Screen image
(16:10)
1920 x 1200
1440 x 900
1280 x 800
[16:9]
[16:9 
D. image shift][16:9]
(16:9)
1920 x 1080
1280 x 720[16:9]
[Auto]
(4:3)
1600 x 1200
1400 x 1050
640 x 480[16:9]
Aspect ratio of 
connected deviceScreen aspect 
setting (P60)Aspect setting (P66) Screen image
(16:10)...

289
Relationship between Aspect and Screen Aspect
Appendix
Other Information
■When projecting on a 16:10 screen in the aspect ratio of 
the connected device
■When projecting on a 16:9 screen in the aspect ratio of 
the connected device
Aspect ratio of 
connected deviceScreen aspect 
setting (P60)Aspect setting (P66) Screen image
(16:10)
1920 x 1200
1440 x 900
1280 x 800
[16:10][16:10]
[Auto]
(16:9)
1920 x 1080
1280 x 720[16:9]
[Auto]
(4:3)
1600 x 1200
1400 x 1050
640 x 480[4:3]
[Auto]
Aspect ratio of...

Relationship between Aspect and Screen Aspect
290
■When projecting on a 4:3 screen in the aspect ratio of the 
connected device
Aspect ratio of 
connected deviceScreen aspect 
setting (P60)Aspect setting (P66) Screen image
(16:10)
1920 x 1200
1440 x 900
1280 x 800
[4:3]
[4:3 
D. image shift][Auto]
(16:9)
1920 x 1080
1280 x 720[16:9]
[Auto]
(4:3)
1600 x 1200
1400 x 1050
640 x 480[4:3]
[Auto]