Hitachi Projector CP-DX250 User Manual

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Function Description
Current 
System Status
Current System Status
Shows current system status.
Source
Shows the current signal source.
Preset Mode
Shows the selected mode in the PICTURE menu.
Color System
Shows input system format, NTSC, PAL, SECAM, or RGB.
Resolution
Shows the native resolution of the input signal.
Equivalent Lamp Hour
Displays the number of hours the lamp has been used.
Serial Number
Shows the serial number of the projector.
6. INFORMATION menu 

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Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you need to do on a regular basis is 
to keep the lens clean.
Never remove any parts of the projector except the lamp. Contact your dealer if other parts 
need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface.
• Use a canister of compressed air to remove dust.
• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens 
cleaner and gently wipe...

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Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is automatically 
calculated by the built-in timer. The method of calculating the equivalent lamp hour is as 
follows:
Total lamp hour = (hours used in Normal mode) + (hours used in Economic mode) + 
(hours used in Intelligent Eco mode)
To obtain the lamp hour information:
1. Press MENU on the projector or MENU/EXIT on the remote control and then press 
/  until the SYSTEM SETTING:...

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Replacing the lamp
To prepare a new lamp, contact your dealer and tell the lamp type number.
Type number: DT01461
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.
Hg - Lamp contains mercury. Manage in accordance with local disposal 
laws. See www.lamprecycle.org...

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5. Remove the protection film. Loosen the 
screw that secures the lamp. Refer to the 
right figure to identify the screw.
6. Disconnect the lamps wire connector from
7. the projector, and then slowly pick up the 
lamp by the handle.
CAUTION
• Pulling it too quickly may cause the lamp to 
break and scatter broken glass in the projector.
• Do not place the lamp in locations where water 
might splash on it, children can reach it, or 
near flammable materials.
• Do not insert your hands into the projector...

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14. Restart the projector.
CAUTION
Do not turn the power on with the lamp cover removed.
Resetting the lamp timer
15. After the startup logo, open the On-Screen 
Display (OSD) menu.
16. Go to the SYSTEM SETTING: 
ADVANCED > Lamp Settings menu. Press 
MODE/ENTER on the projector or remote 
control. The Lamp Settings page is 
displayed. 
17. Press  to highlight Reset lamp timer and 
press MODE/ENTER on the projector or 
remote control. A warning message is 
displayed asking if you want to reset the lamp...

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Indicators
LightStatus & Description
POWERTEMPLAMP
System Messages
Purple Off OffStand-by
Blue 
FlashingOff OffPowering up
Blue Off OffNormal operation
Purple 
FlashingOff OffPower-down cooling
Blue Off RedCW start fail. Please contact your dealer for 
assistance.
Red 
FlashingOff OffScaler shutdown fail. Please contact your dealer for 
assistance.
Lamp Error Messages
Off Off RedLamp error. Please contact your dealer for assistance.
Off OffRed 
FlashingLamp is not lit up. Please contact your dealer...

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Troubleshooting
The projector does not turn on.
No picture
Blurred image
Remote control does not work
CauseRemedy
There is no power from the power 
cord.Plug the power cord into the AC inlet on the 
projector, and plug the power cord into the 
power outlet. If the power outlet has a switch, 
make sure that it is switched on.
Attempting to turn the projector on 
again during the cooling process.Wait until the cooling down process has 
completed.
CauseRemedy
The video source is not turned on or...

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Specifications
Projector specifications
• All specifications are subject to change without notice.
• Not all models can be purchased in your region.
General
Product nameProjector
Optical
Resolution 1024 x 768 XGA
Display system 1-CHIP DMD
Lamp 196 W lamp
Electrical
Power supplyAC 100-120V: 2.9 A, AC 220-240V: 1.4 A
Power consumption AC 100-120V: 250W, AC 220-240V: 235W
Mechanical
Weight Approx. 2.2 kg
Input terminal
Computer input
     COMPUTER IN1  
port
      COMPUTER IN2  
port D-Sub 15-pin...

49 Output terminal
MONITOR OUT port D-Sub 15-pin (female) x 1
AUDIO OUT port Stereo mini x 1
Speaker 2 watt x 1
Control terminal
CONTROL port RS-232 serial control 9 pin x 1
IR receiver  x 1 (Front)
Service terminal
SERVICE port USB mini B x 1
Environmental Requirements
Operating temperature 0°C–40°C at sea level
Operating relative 
humidity10%–90% (without condensation)
Operating altitude • 0–1499 m at 5°C–35°C (with High Altitude Mode 2 
(Normal))
• 1500–3000 m at 5°C–25°C (with High Altitude Mode 1...