Hitachi Cpx3 Projector Users Manual

5

C .C  . (Closed Caption) Menu
The closed caption setting can be changed through C.C. 
menu in the advance menu. Please select the item that you 
will change using ▲/▼ cursor buttons.
• The C.C. (Closed Caption) is the function that displays a 
transcript or dialog of the audio portion of a video, files or 
other presentation or other relevant sounds. It is required to 
have NTSC format video or 525i (480i) format component 
video source supporting C.C. feature to utilize this function.
C.C....

5

Maintenance
Lamp
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, contact your dealer and tell the lamp type number.
Type number : DT00821
Replacing the lamp
1. Turn the projector off, and unplug the power cord. 
Allow...

53

Maintenance
Lamp (continued)
Lamp warning
 HIGH VOLTAGE HIGH TEMPERATURE HIGH PRESSURE
WARNING  ►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, when 
the bulb bursts, it is possible for shards of glass to fly into the lamp housing, and 
for gas containing...

54

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. 
Replace the air filter when it is damaged or too soiled. To prepare a new air filter, 
contact your dealer and tell the air filter type number.
Type number : MU03602
When you replace the lamp, please replace the air filter. An air filter of specified 
type will come together with a replacement lamp for this projector.
Cleaning the air filter...

55

Maintenance
Inside of the projector
In order to ensure the safe use of your projector, please have it cleaned and 
inspected by your dealer about once every year.
Caring for the lens
If the lens is flawed, soiled or fogged, it could cause deterioration of display 
quality. Please take care of the lens, being cautious of handling.
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...

56

Troubleshooting
If an abnormal operation should occur, stop using the projector immediately. 
Troubleshooting
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.
Related messages
When some message appears, check and cope with it according to the following table. Although these messages...

57

Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Lighting
In Orange
Turned
off
Turned
offThe projector is in a standby state.Please refer to the section “Power on/off”.
Blinking
In Green
Turned
off
Turned
offThe projector is warming up.Please wait.
Lighting
In Green
Turned
off
Turned
offThe projector is in an on...

58

Troubleshooting
Regarding the indicator lamps (continued)
POWER 
indicator
LAMP 
indicator
TEMP 
indicatorDescription
Blinking
In Red
or
Lighting
In Red
Turned
off
Lighting
In Red
There is a possibility that the interior portion 
has become heated.Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
sufficiently cooled down, please make confirmation of 
the following items, and then turn the power on again.
• Is there blockage of the air...

59

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it according to the following table.
PhenomenonCases not involving a machine defectReferencepage
Power does not come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.0
The main power source has been interrupted during operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the...

60

Phenomena that may be easy to be mistaken for machine defects (continued)
PhenomenonCases not involving a machine defectReferencepage
No pictures are displayed.(continued)
The brightness is adjusted to an extremely low level.
Adjust BRIGHTNESS to a higher level using the menu function or the remote control.
21, 23
The computer cannot detect the projector as a plug and play monitor.
Make sure that the computer can detect a plug and play monitor using another plug and play monitor.
9
The BLANK screen...