Hitachi Projector CP-DX300 User Manual

20
Entering the password recall procedure
1. Open the OSD menu and go to the SYSTEM SETTING: Advanced > Security 
Settings > Change Password menu.
2. Press MODE/ENTER on the projector or remote control. The message INPUT 
CURRENT PASSWORD is displayed.
3. Press and hold AUTO on the remote control 
for 3 seconds. The projector will display a 
coded number on the screen.
4. Write down the number and turn off your 
projector.
5. Seek help from the local dealer to decode the 
number. You may be required to...

21
Disabling the password function
To disable password protection, go back to the SYSTEM SETTING: Advanced > 
Security Settings > Power on Lock menu after opening the OSD menu system. Select Off 
by pressing  /. The message INPUT PASSWORD is displayed. Enter the current 
password. 
• If the password is correct, the OSD menu returns to the Security Settings page 
with Off shown in the row of Power on Lock. You will not have to enter the 
password next time you turn on the projector.
• If the password is...

22
Adjusting the projected image
Adjusting the projection angle
The projector is equipped with two adjuster feet. 
They change the image height and vertical 
projection angle. Screw the adjuster feet to fine 
tune the angle until the image is positioned where 
you want it.
If the projector is not placed on a flat surface or 
the screen and the projector are not perpendicular 
to each other, the projected image becomes 
trapezoidal. To correct this situation, see 
Correcting keystone on page 23 for...

23
Correcting keystone
Keystoning refers to the situation where the projected image is noticeably wider at either the 
top or bottom. It occurs when the projector is not perpendicular to the screen.
To correct this, besides adjusting the height of the projector, you will need to manually 
correct it following one of these steps.
• Using the remote control
Press  /  on the projector or remote control to 
display the Keystone correction page. Press   to 
correct keystoning at the top of the image. Press...

24
Selecting the aspect ratio
The aspect ratio is the ratio of the image width to the image height. Most analog TV and 
computers are in 4:3 ratio, and digital TV and DVDs are usually in 16:9 ratio.
With the advent of digital signal processing, digital display devices like this projector can 
dynamically stretch and scale the image output to a different aspect than that of the image 
input signal.
To change the projected image ratio (no matter what aspect the source is):
1. Press MENU on the projector or...

25
About the aspect ratio
In the pictures below, the black portions are inactive areas and the white portions are active 
areas. OSD menus can be displayed on those unused black areas.
1.Auto: Scales an image proportionally to fit the 
projectors native resolution in its horizontal 
width. This is suitable for the incoming image 
which is neither in 4:3 nor 16:9 and you want to 
make most use of the screen without altering the 
images aspect ratio.
2.
Real: The image is projected as its original...

26
Optimizing the image
Selecting a preset mode
The projector is preset with several predefined preset modes so that you can choose one to 
suit your operating environment and input signal picture type.
To select an operation mode that suits your need, you can follow one of the following steps.
• Press MODE/ENTER on the projector remote control repeatedly until your desired 
mode is selected.
•Go to the PICTURE > Preset Mode menu and press  /  to select a desired mode.
The preset modes available for...

27 Adjusting Contrast
Highlight the PICTURE > Contrast menu and press  / .
The higher the value, the greater the contrast. Use this 
to set the peak white level after you have previously 
adjusted the Brightness setting to suit your selected 
input and viewing environment.
Adjusting Color
Highlight the PICTURE > Color menu and press  / .
Lower setting produces less saturated colors. If the setting is too high, colors on the image 
will be overpowering, which makes the image unrealistic.
This function is...

28
There are many different shades that are considered to be white for various purposes. One 
of the common methods of representing white color is known as the “color temperature”. A 
white color with a low color temperature appears to be reddish white. A white color with a 
high color temperature appears to have more blue in it.
Color Management
Only in permanent installations with controlled lighting levels such as boardrooms, lecture 
theaters, or home theaters, should color management be considered....

29
Setting the presentation timer
This function is only available when an input signal is selected and active.
Presentation timer can indicate the presentation time on the screen to help you achieve 
better time management when giving presentations. Follow these steps to utilize this 
function:
1. Press TIMER SET UP on the remote control to access the Presentation Timer menu 
or go to the SYSTEM SETTING: Basic > Presentation Timer menu and press 
MODE/ENTER to display the Presentation Timer page.
2....