Projector
CP-CX251N
User's Manual (concise)
Thank you for purchasing this projector.
Please read through this manual before using this product, in order to use safely and utilize well the product.
WARNING ►Before using this product, be sure to read all manuals for this product. See the “Using the CD manual” (17) to read the manuals in the CD. After reading them, store them in a safe place for future reference.
►Heed all the warnings and cautions in the manuals or on the product. ►Follow all the instructions in the manuals or on the product.
NOTE • In this manual, unless any comments are accompanied, “the manuals” means all the documents provided with this product, and “the product” means this projector and all the accessories came with the projector.
ENGLISH
Contents |
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First of all............................................. |
2 |
Entries and graphical symbols explanation....... |
2 |
Important safety instruction............................... |
2 |
Regulatory notices.............................. |
3 |
About Electro-Magnetic Interference................. |
3 |
About Waste Electrical and Electronic Equipment... |
4 |
Contents of package........................... |
4 |
Arrangement....................................... |
5 |
Connecting with your devices............. |
6 |
Connecting power supply.................... |
7 |
Preparing for the remote control......... |
8 |
Turning on the power.......................... |
9 |
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Adjusting the projector's elevator...... |
10 |
Displaying the picture........................ |
11 |
Turning off the power........................ |
12 |
Replacing the lamp........................... |
13 |
Cleaning and replacing the air filter... |
15 |
Replacing the internal clock battery.. 16 |
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Using the CD manual........................ |
17 |
Specifications.................................... |
18 |
Troubleshooting |
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- Warranty and after-service............ |
19 |
1
First of all
Entries and graphical symbols explanation
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.
NOTICE This entry notices of fear of causing trouble.
Important safety instruction
The followings are important instructions for safely using the product. Be sure to follow them always when handling the product. The manufacturer assumes no responsibility for any damage caused by mishandling that is beyond normal usage defined in these manuals of this projector.
WARNING ►Never use the product in or after an abnormality (ex. giving off smoke, smelling strange, took a liquid or an object inside, broken, etc.) If an abnormality should occur, unplug the projector urgently.
►Situate the product away from children and pets.
►Do not use the product when there is fear of a thunderbolt.
►Unplug the projector from the power outlet if the projector is not used for the time being.
►Do not open or remove any portion of the product, unless the manuals direct it. For internal maintenance, leave it to your dealer or their service personnel. ►Use only the accessories specified or recommended by the manufacturer. ►Do not modify the projector or accessories.
►Do not let any things or any liquids enter to the inside of the product. ►Do not wet the product.
►Do not place the projector where any oils, such as cooking or machine oil, are used. Oil may harm the product, resulting in malfunction, or falling from the mounted position.
►Do not apply a shock or pressure to this product.
-Do not place the product on an unstable place such as the uneven surface or the leaned table.
-Do not place the product unstably. Place the projector so that it does not protrude from the surface where the projector is placed on.
-Remove all the attachments including the power cord and cables, from the
projector when carrying the projector.
►Do not look into the lens and the openings on the projector, while the lamp is on, since the projection ray may cause a trouble on your eyes.
►Do not approach the lamp cover and the exhaust vents, while the projection lamp is on. Also after the lamp goes out, do not approach them for a while, since too hot.
2
Regulatory notices
About Electro-Magnetic Interference
In CANADA
CAN ICES-3(B) / NMB-3(B).
In the US, and other places where the FCC regulations are applicable Declaration of Conformity
Trade name |
HITACHI |
Model Number |
CP-CX251N |
Responsible Party |
Hitachi America, Ltd. |
Address |
2420 Fenton Street, Suite 200 Chula Vista, CA 91914 |
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U.S.A. |
Telephone Number |
+1 -800-448-2244 |
ENGLISH
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
INSTRUCTIONS TO USERS: This equipment complies with the requirements of
FCC (Federal Communication Commission) equipment provided that the following conditions are met. Some cables have to be used with the core set. Use the accessory cable or a designated-type cable for the connection. For cables that have a core only at one end, connect the core to the projector.
CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
3
Regulatory notices (continued)
About Waste Electrical and Electronic Equipment
The mark is in compliance with the Waste Electrical and Electronic
Equipment Directive 2002/96/EC (WEEE).
The mark indicates the requirement NOT to dispose the equipment including any spent or discarded batteries or accumulators as unsorted municipal waste, but use the return and collection systems available. If the batteries or accumulators included with this equipment, display
the chemical symbol Hg, Cd, or Pb, then it means that the battery has a heavy metal content of more than 0.0005% Mercury or more than, 0.002% Cadmium, or more than 0.004% Lead.
Contents of package
Your projector should come with the items shown below. Check that all the items are included. Require of your dealer immediately if any items are missing.
(1)Remote control with the two AA batteries
(2)Power cord
(3)Computer cable
(4)Lens cover and Strap
(5)User’s manuals (Book x1, CD x1)
(6)Security label
(1) |
(4) |
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(2) |
(5) |
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(3) |
(6) |
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WARNING ►Do not attempt to install the projector yourself. Have your dealer or service center handle all installation work. Note that manufacturer will accept no liability whatsoever for accidents or injuries resulting from an incorrect installation or improper use.
NOTE • Keep the original packing materials for future reshipment. Be sure to use the original packing materials when moving the projector. Use special caution for the lens.
4
Arrangement
Refer to table T-1 and figures F-1 and F-2 at the end of this manual to determine the screen size and projection distance.
The values shown in the table are calculated for a full size screen.
V Screen size (vertical) H Screen size (horizontal) a Projection distance (±8%) b1 , b2 Screen height (±8%)
• For the case of installation in a special state such as ceiling mount, the specified mounting accessories (18) and service may be required. Before installing the projector, consult your dealer about your installation.
•The screen position may shift after installation if the projector is suspended from the ceiling or other location due to the flexibility of the plastic projector body. If readjustment is necessary, consult with your dealer or service personnel.
•The projected image position and/or focus may change during warm-up (approx. 30 minutes after the lamp is turned on) or when the ambient conditions change. Readjust the image position and/or focus as necessary.
•Since the projector features a short throw, be aware that it is required to select a screen carefully to have better performance.
-A soft screen such as a pull-down screen may cause serious distortion of a projected image. A hard screen such as a board screen is recommended for use with this projector.
-A high-gain screen such as a bead screen that has narrow viewing angle is not suitable for this projector. A low-gain screen (around 1.0) such as a matte screen that has wide viewing angle is recommended for use with this projector.
-A screen with a weave pattern may cause moiré on the projected image, which is not a failure of the projector. A screen that has less moiré effects is recommended for use with this projector.
WARNING ►Install the projector in a stable horizontal position.
►Place the projector in a cool place, and ensure that there is sufficient ventilation. Keep a space of 30 cm or more between the sides of the projector and other objects such as walls. Do not place or attach anything that would block the lens or vent holes. Do not place the projector where the air from an air conditioner or similar unit will blow on it directly.
►Do not place the projector anyplace where it may get wet.
►Use only the mounting accessories the manufacturer specified, and leave installing and removing the projector with the mounting accessories to the service personnel.
►Read and keep the user's manual of the mounting accessories used.
CAUTION ►Avoid placing the projector in smoky, humid or dusty place. ►Position the projector to prevent light from directly hitting the projector’s remote sensor. ►If the projector is used at an altitude of about 1600 m or higher, set ALTITUDE of the SERVICE item in the OPTION menu to HIGH. Otherwise, set it to NORMAL.
If the projector is used with a wrong setting, it may cause damage to the projector itself or the parts inside.
ENGLISH
NOTE • The projector may make a rattling sound when tilted, moved or shaken, since a flap to control the air flow inside of the projector has moved. Be aware that this is not a failure or malfunction.
5
Connecting with your devices
Be sure to read the manuals for devices before connecting them to the projector.
Make sure that all the devices are suitable to be connected with this product, and prepare the cables required to connect. Refer to figures F-3 to F-5 at the back of this manual.
For details, please see “User's Manual” - “Operating Guide” and “Network Guide”.
•When AUTO is selected for the COMPUTER IN1 or COMPUTER IN2 port in COMPUTER IN of the INPUT menu, that port will accept component video signals.
•To use network functions of the projector, connect the LAN port with the computer's LAN port, or with an access point that is connected to the computer with wireless LAN, using a LAN cable.
WARNING ►Use only the appropriate accessories. Otherwise it could cause a fire or damage to the device and the projector.
-Use only the accessories specified or recommended by the projector’s manufacturer. Consult your dealer when the required accessory did not come with the product or the accessory is damaged. It may be regulated under some standard.
-For a cable with a core at only one end, connect the end with the core to the projector. That may be required by EMI regulations.
-Neither disassemble nor modify the projector and the accessories.
-Do not use the damaged accessory. Be careful not to damage the accessories. Route a cable so that it is neither stepped on nor pinched out.
CAUTION ►For a cable with a core at only one end, connect the end with the core to the projector. That may be required by EMI regulations.
►Do not turn on or off the projector while connected to a device in operation, unless that is directed in the manual of the device.
►Be careful not to mistakenly connect a connector to a wrong port.
►Before connecting the projector to a network, be sure to obtain the consent of the administrator of the network.
►Do not connect the LAN port to any network that might have the excessive voltage.
NOTICE ►Use the cables with straight plugs, not L-shaped ones, as the input ports of the projector are recessed.
NOTE • The COMPUTER IN1/2 port can support a component signal also. The specific adapter or the specific cable is required for a component video input to the projector.
6
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