Hitachi Projector CP-WU8451 User Manual

111
Presentation tools
The menu shown in the right will be displayed 
when you right-click the application icon in the 
Windows notification area.
Display :  The Floating menu is displayed, and 
the icon disappears from the Windows 
notification area.
Quit :  The application is closed, and the icon disappears from the Windows 
notification area.
USB Display (continued)
Right-Click menu
• If you wish to restart the application, you need to unplug the USB 
cable and plug it again.NOTE
If you select “Display”...

11 2
Presentation tools
If you select the Option button on the Floating 
menu, the Options window is displayed.
Optimize Perfor mance
The “LiveViewer Lite for USB” captures screenshots  
in JPEG data and sends them to the projector.  
The “LiveViewer Lite for USB” has two options that 
have different compression rate of JPEG data. 
Transmission speed
Speed takes priority over Image quality. 
It makes JPEG compression rate higher. The screen on the projector is rewritten 
quicker because the transferred...

11 3
Maintenance 
Maintenance
A lamp has finite product life. Using the lamp for long periods of time could cause the 
pictures darker or the color tone poor. Note that each lamp has a different lifetime, and 
some may burst or burn out soon after you start using them. 
Preparation of a new lamp and early replacement are recommended. To prepare a 
new lamp, make contact with your dealer and tell the lamp type number.
Replacing the lamp
Type number :  DT01291 
 DT01471
1.
Turn the projector off, and unplug...

11 4
Maintenance
Lamp war ning
Replacing the lamp (continued)
 HIGH VOLTAGE  HIGH TEMPERATURE HIGH PRESSURE
►The projector uses a high-pressure mercury glass lamp. The lamp 
can break with a loud bang, or burn out, if jolted or scratched, handled while hot, or 
worn over time. Note that each lamp has a different lifetime, and some may burst or 
burn out soon after you start using them. In addition, if the bulb bursts, it is possible 
for shards of glass to fly into the lamp housing, and for gas containing...

11 5
Maintenance
Please check and clean the air filter periodically. When the indicators or a message 
prompts you to clean the air filter, comply with it as soon as possible.
The filter unit with 2 sheets of filters is inside of the filter cover. In addition, the extra 
air filter is attached to inner side of the filter cover. If one of the filters is damaged or 
heavily soiled, replace whole filter set with a new one.
Request for a filter set with the following type number from your dealer when 
purchasing a new...

11 6
Maintenance
► Before taking care of the air filter, make sure the power cable 
is not plugged in, then allow the projector to cool sufficiently.
►Use only the air filter of the specified type. Do not use the projector without the 
air filter or the filter cover. It could result in a fire or malfunction to the projector.
►Clean the air filter periodically. If the air filter becomes clogged by dust or the 
like, internal temperatures rise and could cause a fire, a burn or malfunction to 
the projector.WARNING
•...

11 7
Maintenance
Other care
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every year.
1.Turn the projector off, and unplug the power cord. Allow the projector to cool 
sufficiently.
2.After making sure that the projector is cool adequately, lightly wipe the lens 
with a commercially available lens-cleaning wipe. Do not touch the lens 
directly with your hand. If the lens is flawed, soiled or fogged, it could cause deterioration of display...

11 8
Troubleshooting
Troubleshooting
If an abnormal operation should occur, stop using the projector immediately.
Otherwise if a problem occurs with the projector, the following checks and 
measures are recommended before requesting repair. 
If this does not resolve the problem, please contact your dealer or service 
company. They will tell you what warranty condition is applied.
►Never use the projector if abnormal operations such as 
smoke, strange odor, excessive sound, damaged casing or elements or...

11 9
Message Description
The horizontal or vertical frequency of the input 
signal is not within the specified range.
Please confirm the specs for your projector or the signal 
source specs.
An improper signal is input. 
Please confirm the specs for your projector or the signal 
source specs.
The internal temperature is rising. 
Please turn the power off, and allow the projector to cool 
down at least 20 minutes. After having confirmed the 
following items, please turn the power ON again. 
 • Is there...

120
Troubleshooting
Message Description
A note of precaution when cleaning the air filter. 
Please immediately turn the power off, and clean or 
change the air filter referring to the Cleaning and 
replacing the air filter section of this manual. After you 
have cleaned or changed the air filter, please be sure to 
reset the filter timer (
71, 11 5).
The button operation is not available.
Check the button you are going to use (
6). Even when 
a usable button is pressed, all button operations are not...