Canon Wux450, Wx520 Multimedia Projector Users Manual

271
Networked Multi-Projection
Functions in All Modes
Tips for Better Networked Projection
■Avoid Exceeding Connection Limits
The maximum number of computers and projectors that can be connected varies 
by mode. When this limit would be exceeded,  it is not possible to add computers or 
projectors to a session. Thus, if the total number of computer users requesting to 
join a session at the same time would exceed the limit, their requests may be 
denied. In this case, an error message is displayed on...

272
Restrictions
■Router Connections
Although the application can also link com puters and projectors over a network via 
a router, operation is only ensured over one router hop. Note that before projecting 
from projectors in other subnets in Broadcas t Mode, you must configure the router’s 
multicast routing settings. For details, ask your network administrator.
■ Security Dialog  Box Projection
The application cannot be used to proj ect the Windows Security dialog box, 
normally accessed by  pressing...

273
MULTIMEDIA PROJECTOR
Appendix 

274 

275
Table of Contents
Safety Instructions
Before Use
Operation
Projecting an Image
Useful Functions Available 
During a Presentation
Setting Functions from 
Menus
Installation and Maintenance
Installation
Connecting to a Network
Maintenance
Networked Multi-Projection
Networked Multi-Projection 
Overview
Operation in Each Mode
Functions in All Modes
AppendixOther Information
Index
Appendix 

276
Troubleshooting
LED Indicator Meanings
When there is a problem with the projector, the LED indicator on the side of the 
projector illuminates or flashes continuously after the projector is turned off.
• Wait until the cooling fan stops and disconnect the power plug from the electrical outlet before 
dealing with the problem.
LED indicator  status Meaning Countermeasure
WARNING and 
TEMP are lit. Temperature 
abnormalityThe temperature inside the projector is too high 
for some reason or the outside...

277
Troubleshooting
Appendix
Other Information
Symptoms and Solutions
■You Cannot Turn on the Projector
WARNING 
(only) flashes 5 
times 
repeatedly. Faulty power 
supply
Abnormal 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
278
■You Cannot Project an Im age from the Projector
Cause Countermeasure
A cable is not connected 
correctly. Check whether the projector is connected to the 
computer or AV equipment correctly. (
P134, P137 )
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. ( P50)
No image is sent...

279
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...

Troubleshooting
280
■The Projected Image Is Blurred
Cause Countermeasure
The image is out of 
focus. Adjust the focus. (
P56)
The distance to the 
screen is too short. Check whether the distance to the screen is 
appropriate. If the distance is shorter than 
approximately 1.3 m (4.3), the projector cannot focus 
on the screen. (
P131)
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...