Hitachi Projector CP-WU5500 User Manual

101
SECURITY menu
ItemDescription
MY TEXT  DISPLAY
(1)   Use the ▲/▼ buttons on the SECURITY menu to 
select the MY TEXT DISPLAY and press the ► or 
ENTER  button to display the MY TEXT DISPLAY 
on/off menu.
(2)   Use the ▲/▼ buttons on the MY TEXT DISPLAY  
on/off menu to select on or off.
ON  ó OFF
When it is set ON, the MY TEXT will be displayed 
on the START UP screen and the INPUT_
INFORMATION when the INFORMATION on the 
SERVICE menu is chosen.
• This function is available only when the MY TEXT...

102
SECURITY menu
ItemDescription
SECURITY 
INDICATOR Selecting this item displays the SECURITY INDICATOR dialog. Use 
the ▲/▼ buttons to select ON or OFF.
ON ó OFF
When ON is selected while PIN LOCK or TRANSITION DETECTOR 
is ON, the  SECURITY  indicator blinks in yellow in the standby mode 
(
 98, 99
).
STACK LOCK Selecting this item displays the STACK LOCK dialog. For more 
information, please see 
Instant Stack Guide. 

103
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 :  DT01931 
1.Turn the projector off, and unplug the...

104
Maintenance
Lamp warning
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...

105
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...

106
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....

107
Replacing the internal clock batter y
Installing the battery is required in some cases. (Event Scheduling in the 
User's Manual - Network Guide) A battery is not contained at the time of factory 
shipment. Please replace a battery according to the following procedure.
1.   Turn the projector off, and unplug the power cord. Allow the 
projector to cool suffi ciently.
2.  After making sure that the projector has cooled adequately, 
slowly turn over the projector, so that the bottom is facing.
3....

108
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...

109
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 0
MessageDescription
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...