Hitachi Projector CP-DX250 User Manual

							Projector
CP-DX250/CP-DX300
User Manual
Thank you for purchasing this product. Please 
read this manual before you operate your 
projector. Save it for future reference. 
						

							1
Table of contents
Important safety 
instructions .......................2
Introduction ......................4
Projector features ................................. 4
Shipping contents ................................. 5
Projector exterior view ......................... 6
Controls and functions ......................... 7
Positioning your 
projector..........................10
Choosing a location............................ 10
Projection dimensions ........................ 11
Connection ......................12
Connecting a computer or monitor .... 13
Connecting Video source devices ...... 14
Operation ........................17
Starting up the projector..................... 17
Using the menus................................. 18
Utilizing the password function ......... 19
Switching input signal........................ 21
Adjusting the projected image ........... 22
Magnifying and searching for details. 23
Selecting the aspect ratio ................... 24
Optimizing the image......................... 26
Setting the presentation timer ............ 29
Hiding the image ................................ 30
Locking control keys.......................... 30
Freezing the image ............................. 30
Operating in a high altitude 
environment ....................................... 31
Shutting down the projector ............... 31
Menu operation .................................. 32
Maintenance ...................41
Care of the projector .......................... 41
Lamp information .............................. 42
Troubleshooting .............47
Specifications..................48
Projector specifications...................... 48
Dimensions ........................................ 50
Timing chart ...................................... 51
Regulation Statements ...55
FCC statement ................................... 55
ICES-003 ........................................... 55
WEEE ................................................ 55
Copyright information...57
Warranty and 
after-service ....................58
Entries and graphical symbols expla-
nation
The following entries and graphical symbols are
used for the manuals and the product as follows,
for safety purpose. Please know their meanings
beforehand, and heed them.
WARNING: This entry warns of a risk of
serious personal injury or even death.
CAUTION: This entry warns of a risk of
personal injury or physical damage. 
						

							2
Important safety instructions
Your projector is designed and tested to meet the latest standards for safety of information 
technology equipment. However, to ensure safe use of this product, it is important that you 
follow the instructions mentioned in this manual and marked on the product. 
Safety Instructions
WARNING
1.Please read this manual before you operate your projector. Save it for future 
reference.
2.Do not look straight at the projector lens during operation. The intense light beam 
may damage your eyes.
3.Refer servicing to qualified service personnel. 
4.Always open the lens shutter or remove the lens cap when the projector lamp is 
on.
5. In some countries, the line voltage is NOT stable. This projector is designed to operate 
safely within a mains voltage between 100 to 240 volts AC, but could fail if power 
cuts or surges of ±10 volts occur. In areas where the mains voltage may fluctuate 
or cut out, it is recommended that you connect your projector through a power 
stabilizer, surge protector or uninterruptible power supply (UPS). 
6. Do not block the projection lens with any objects when the projector is under 
operation as this could cause the objects to become heated and deformed or even 
cause a fire. To temporarily turn off the lamp, press BLANK on the projector or 
remote control.
7. The lamp becomes extremely hot during operation. Allow the projector to cool for 
approximately 45 minutes prior to removing the lamp assembly for replacement. 
8. Never replace the lamp assembly or any electronic components unless the projector is 
unplugged. 
9. Do not place this product on an unstable cart, stand, or table. The product may fall, 
sustaining serious damage. 
10. Do not attempt to disassemble this projector. There are dangerous high voltages inside 
which may cause death if you should come into contact with live parts. The only user 
serviceable part is the lamp which has its own removable cover.
Under no circumstances should you ever undo or remove any other covers. Refer 
servicing only to suitably qualified professional service personnel.
11. Do not place this projector in any of the following environments. 
-  Space that is poorly ventilated or confined. Allow at least 50 cm clearance from walls 
and free flow of air around the projector.
-  Locations where temperatures may become excessively high, such as the inside of a 
car with all windows rolled up.
-  Locations where excessive humidity, dust, or cigarette smoke may contaminate optical 
components, shortening the projectors life span and darkening the picture.
-  Locations near fire alarms
-  Locations with an ambient temperature above 40°C / 104°F
-  Locations where the altitudes are higher than 3000 m (10000 feet). 
						

							3
12. Do not block the ventilation holes. If the ventilation holes are seriously obstructed, 
overheating inside the projector may result in a fire.
-  Do not place this projector on a blanket, bedding or any other soft surface. 
-  Do not cover this projector with a cloth or any other item. 
-  Do not place inflammables near the projector.   
13. Always place the projector on a level, horizontal surface during operation.
-  Do not use if tilted at an angle of more than 10 degrees left to right, nor at angle of 
more than 15 degrees front to back. Using the projector when it is not fully horizontal 
may cause a malfunction of, or damage to, the lamp.
14. Do not stand the projector on end vertically. Doing so may cause the projector to fall 
over, causing injury or resulting in damage to the projector.
15. Do not step on the projector or place any objects upon it. Besides probable physical 
damage to the projector, doing so may result in accidents and possible injury.
16. Do not place liquids near or on the projector. Liquids spilled into the projector may 
cause it to fail. If the projector does become wet, disconnect it from the power 
supplys wall socket and call your local service center to have the projector serviced. 
17. When the projector is under operation, you may sense some heated air and odor from 
its ventilation grill. It is a normal phenomenon and not a product defect.
18. Do not use the security lock slot for transporting or installation. It should be used with 
a commercially available theft prevention cable. 
						

							4
Introduction
Projector features
The projector integrates high-performance optical engine projection and a user-friendly 
design to deliver high reliability and ease of use.
The projector offers the following features.
• Presentation timer for better control of time during presentations
• Supports 3D display
• Color Management allowing color adjustments to your liking
• Less than 0.5W power consumption when standby mode is saving
• Wall Color correction allowing projection on surfaces of several predefined colors
• Quick auto search speeding up the signal detecting process
• Multiple sets of preset modes providing choices for different projection purposes
• One-key auto-adjustment to display the best picture quality
• Digital keystone correction to correct distorted images
• Adjustable color management control for data/video display
• High brightness projection lamp
• Ability to display 1.07 billion colors
• Multi-language On-Screen Display (OSD) menus
• Switchable normal and economic modes to reduce the power consumption
• Component HDTV compatibility (YP
bPr)
• The apparent brightness of the projected image will vary depending on the ambient 
lighting conditions, selected input signal contrast/brightness settings, and is directly 
proportional to projection distance.
• The lamp brightness will decline over time and may vary within the lamp manufacturers 
specifications. This is normal and expected behavior. 
						

							5
Shipping contents
Carefully unpack and verify that you have all of the items shown below. If any of these 
items are missing, please contact your place of purchase.
Standard accessories
The supplied accessories will be suitable for your region, and may differ from those 
illustrated.
Optional accessories
1. Replacement lamp: DT01461Projector Power Cord VGA Cable
Multi-language user 
manual CDUser manual Remote Control & Battery
GOST-R Declaration 
						

							6
Projector exterior view
1. Control panel
(See Control panel on page 7 for 
details.)
2. Lamp cover
3. Vent (heated air exhaust)
4. Front elevator foot
5. Zoom ring
6. Focus ring
7. Vent (cool air intake)
8. Front IR remote sensor
9. Projection lens
10. AC power cord inlet
11. CONTROL port
12. SERVICE port
13. HDMI port
14. COMPUTER IN1 port
15. COMPUTER IN2 port
16. MONITOR OUT port
17. S-VIDEO port
18. VIDEO port
19. AUDIO IN port
20. AUDIO OUT port
21. Security lock slot
22. Rear elevator foot
WARNING
• THIS APPARATUS MUST BE EARTHED.
• When installing the unit, incorporate a readily accessible disconnect device in the fixed wiring, 
or connect the power plug to an easily accessible socket-outlet near the unit. If a fault should 
occur during operation of the unit, operate the disconnect device to switch the power supply 
off, or disconnect the power plug.
1
2
3
45
6
7
8
9
Front/upper side
101521
22
1112131418 17
1920 16
Rear/lower side 
						

							7
Controls and functions
Control panel
1. TEMPerature indicator light
Lights up red if the projectors temperature 
becomes too high.
2. LAMP indicator light
Indicates the status of the lamp. Lights up 
or flashes when the lamp has developed a 
problem.
3. Keystone/Arrow keys ( Up, 
Down)
Manually corrects distorted images 
resulting from an angled projection.
4. Left
Used to hide the screen picture.
5. MODE/ENTER
Selects an available picture setup mode.
Enacts the selected On-Screen Display 
(OSD) menu item.
6. SOURCE
Displays the source selection bar.7. POWER indicator light
Lights up or flashes when the projector is 
under operation.
8.
Toggles the projector between standby 
mode and on.
9. Right
Activates panel key lock.
When the On-Screen Display (OSD) 
menu is activated, the #3, #4, and #9 keys 
are used as directional arrows to select the 
desired menu items and to make 
adjustments.
10. MENU
Turns on the On-Screen Display (OSD) 
menu. Goes back to previous OSD menu, 
exits and saves menu settings.
1
2
3
4
5
67
8
9
10
3
II 
						

							8
Remote control
1.
Toggles the projector between standby 
mode and on.
2. MENU/EXIT
Turns on the On-Screen Display 
(OSD) menu. Goes back to previous 
OSD menu, exits and saves menu 
settings.
3. FREEZE
Freezes the projected image.
4. Left
5. MODE/ENTER
Selects an available picture setup 
mode.
6. BLANK
Used to hide the screen picture.
7. Keystone/Arrow keys ( Up, 
Down)
Manually corrects distorted images 
resulting from an angled projection.
8. VOLUME (+, -)
Adjusts the sound level.9. AUTO
Automatically determines the best 
picture timings for the displayed 
image.
10. Right
Activates panel key lock.
When the On-Screen Display (OSD) 
menu is activated, the #3, #4, and #9 
keys are used as directional arrows to 
select the desired menu items and to 
make adjustments.
11. SOURCE
Displays the source selection bar.
12. MAGNIFY (+, -)
Magnifies or reduces the projected 
picture size.
13. TIMER ON
Activates or displays an on-screen 
timer based on your own timer setting.
14. TIMER SET UP
Enters presentation timer setting 
directly.
15. Battery cover
1
2
5 4
8 6
7 37
9
12 11
13 10
14
15
II 
						

							9
Remote control effective range
The Infra-Red (IR) remote control is located on the front 
of the projector. The remote control must be held at an 
angle within 30 degrees perpendicular to the projectors 
IR remote control sensor to function correctly. The 
distance between the remote control and the sensor should 
not exceed 4 meters (~ 13 feet).
Make sure that there are no obstacles between the remote 
control and the IR sensor on the projector that might 
obstruct the infra-red beam.
Replacing the remote control battery
1. Pull out the battery holder.
Please follow the illustrated instructions. Push and hold 
the locking arm while pulling out the battery holder.
2. Insert the new battery in the holder. Note the 
positive polarity should face outward.
3. Push the holder into the remote control.
WA R N I N G
Improper use may result in battery explosion, cracking or 
leakage, which could result in fire, injury and/or pollution 
of the surrounding environment. If you observe battery 
leakage, wipe out the leakage and then replace a battery. 
If the leakage adheres to your body or clothes, rinse well 
with water immediately.
• Keep the battery away from children and pets. Be careful for them not to swallow a battery.
• Avoid leaving the remote control and battery in an excessive heat or humid environment 
like the kitchen, bathroom, sauna, sunroom or in a closed car.
•  Replace only with the same or equivalent type recommended by the battery 
manufacturer: [type: CR2025]
• Dispose of the used battery according to the manufacturers instructions and local 
environment regulations for your region.
• Never throw the battery into a fire. There may be danger of an explosion. 
• If the battery is dead or if you will not be using the remote control for an extended period 
of time, remove the battery to avoid damage to the remote control from possible battery 
leakage. 
• Do not recharge, short circuit, solder or disassemble a battery.
15º 15º
4m 
(approx.)