Hitachi Projector CP-DX250 User Manual

10
Positioning your projector
Choosing a location
Your room layout or personal preference will dictate which installation location you select. 
Take into consideration the size and position of your screen, the location of a suitable power 
outlet, as well as the location and distance between the projector and the rest of your 
equipment.
Your projector is designed to be installed in one of following possible installation locations:
1. Normal
Select this location with the projector placed near 
the floor...

11
Projection dimensions
Refer to Dimensions on page 50 for the center of lens dimensions of this projector before 
calculating the appropriate position.
The screen mentioned below refers to the projection screen usually consisting of a surface 
and a support structure
• There is 3% tolerance among these numbers due to optical component variations. It is 
recommended that if you intend to permanently install the projector, you should 
physically test the projection size and distance using the actual...

12
Connection
When connecting a signal source to the projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted. 
• In the connections shown below, some cables may not be included with the projector (see 
Shipping contents on page 5). They are commercially available from electronics stores.
• The connection illustrations below are for reference only. The rear connecting ports 
available on the...

13
Connecting a computer or monitor
Connecting a computer
The projector provides two VGA input sockets that allow you to connect them to both 
IBM® compatibles and Macintosh® computers. A Mac adapter is needed if you are 
connecting legacy version Macintosh computers.
To connect the projector to a notebook or desktop computer:
1. Take the supplied VGA cable and connect one end to the D-Sub output socket of the 
computer.
2. Connect the other end of the VGA cable to the COMPUTER IN1 or COMPUTER 
IN2...

14
Connecting Video source devices
You can connect your projector to various Video source devices that provide any one of the 
following output sockets:
• HDMI
• Component Video
•S-Video
• Video (composite)
You need only connect the projector to a Video source device using just one of the above 
connecting methods, however each provides a different level of video quality. The method 
you choose will most likely depend upon the availability of matching terminals on both the 
projector and the Video source...

15
If you have a separate sound system, you will most likely want to connect the audio output 
of your Video source device to that sound system, instead of to the mono audio projector.
• The audio output only works when a signal source is connected to the projector.
• When an audio cable is connected to the AUDIO OUT port, the projector’s speaker will be 
muted. 
Connecting an HDMI device
You should use an HDMI cable when making connection between the projector and HDMI 
devices.
To connect the projector...

16
Connecting an S-Video source device
Examine your Video source device to determine if it has an unused S-Video output socket 
available: 
• If so, you can continue with this procedure.
• If not, you will need to reassess which method you can use to connect to the device.
To connect the projector to an S-Video source device:
1. Take an S-Video cable and connect one end to the S-Video output socket of the Video 
source device.
2. Connect the other end of the S-Video cable to the S-VIDEO socket on the...

17
Operation
Starting up the projector
1. Plug the power cord into the projector and into a 
wall socket. Turn on the wall socket switch 
(where fitted).
2. Press   on the projector or remote control to 
start the projector. The POWER indicator light 
stays blue when the projector is on.
(If necessary) Rotate the focus ring to adjust the 
image clearness.
• If the projector is still hot from previous activity, it 
will run the cooling fan for approximately 60 
seconds before energizing the lamp. 
• To...

18
Using the menus
The projector is equipped with On-Screen Display (OSD) menus for making various 
adjustments and settings.
The OSD screenshots below are for reference only, and may differ from the actual design.
Below is the overview of the OSD menu.
To use the OSD menus, please set them to your familiar language first.
1. Press  MENU on the projector or 
MENU/EXIT  on the remote control 
to turn the OSD menu on. 3. Press  to highlight 
Language 
and press  MODE/ENTER.
2. Use  /  to highlight the...

19
Utilizing the password function
For security purposes and to help prevent unauthorized use, the projector includes an option 
for setting up password security. The password can be set through the On-Screen Display 
(OSD) menu. For details of the OSD menu operation, please refer to Using the menus on 
page 18.
You will be inconvenienced if you activate the password functionality and subsequently forget 
the password. Print this user manual (if necessary) and write the password you used in this 
manual,...