Hitachi Projector CP-DX250 User Manual

30
1. Go to the SYSTEM SETTING: Basic > Presentation Timer menu and highlight 
Off. Press MODE/ENTER. A confirmation message displays.
2. Highlight Ye s and press MODE/ENTER to confirm. You will see the message 
“Timer is Off” displaying on the screen.
Hiding the image
In order to draw the audiences full attention to the presenter, you can use   on the projector 
or BLANK on the remote control to hide the screen image. Press any key on the projector 
or remote control to restore the image.
You can set...

31
Operating in a high altitude environment
We recommend you use the High Altitude Mode when your environment is between 1500 
m–3000 m above sea level, and temperature is between 0°C–35°C.
CAUTION
Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and temperature 
is between 0°C and 35°C. The projector will be over cooled, if you turn the mode on under 
such a condition.
To activate the High Altitude Mode:
1. Press MENU on the projector or MENU/EXIT 
on the remote control and...

32
Menu operation
Menu system
Please note that the on-screen display (OSD) menus vary according to the signal type 
selected.
The menu items are available when the projector detects at least one valid signal. If there is 
no equipment connected to the projector or no signal detected, limited menu items are 
accessible.
Main menu Sub-menu Options
1. 
DISPLAY
Wall ColorOff/Light Yellow/Pink/Light 
Green/Blue/Blackboard
Aspect Ratio Auto/Real/4:3/16:9
Keystone
Position
Phase
H. Size
Magnify
3D Sync...

33
Main menu Sub-menu Options
3. SOURCEQuick Auto Search Off/On
Auto Adjustment
4. 
SYSTEM 
SETTING: 
Basic
Presentation 
TimerTimer Period 1~240 minutes
Timer DisplayAlways/1 min/2 min/3 min/
Never
Timer PositionTop-Left/Bottom-Left/Top-
Right/Bottom-Right
Timer Counting 
DirectionCount Down/Count Up
Sound Reminder On/Off
On/Off
Language Multi-language OSD selection
MirrorNormal/H Invert/V Invert/H & V 
Invert
Auto Power OffDisable/5 min/10 min/15 min/
20 min/25 min/30 min
Blank TimerDisable/5 min/10...

34
Main menu Sub-menu Options
5. 
SYSTEM 
SETTING: 
Advanced
Quick Cooling On/Off
High Altitude Mode1 (High) Equal or higher 
than 1500 m
2 (Normal) Lower than 
1500 m
Audio SettingsMute On/Off
Volume
Menu SettingsMenu Display Time5 sec/10 sec/15 sec/20 
sec/25 sec/30 sec
Menu PositionCenter/Top-Left/Top-
Right/Bottom-Left/
Bottom-Right
Standby Mode Normal/Saving
Lamp SettingsLamp ModeNormal/Economic/
Intelligent Eco
Reset Lamp Timer
Equivalent Lamp Hour
Security SettingsChange Password
Power on Lock...

35
Description of each menu
 
Function Description
Wall Color
In the situation where you are projecting onto a colored surface such as 
a painted wall which may not be white, the Wall Color feature can 
help correct the projected picture colors to prevent possible color 
difference between the source and projected pictures.
Use the  /  buttons to select a color which is closest to the color of 
the projection surface.
This function is only available when a computer signal (analog 
RGB) is selected....

36
Function Description
3D Sync
This projector features 3D function which enables you to enjoy 3D 
movies, videos, and sporting events in a more realistic way by 
presenting the depth of the images. You need to wear a pair of 3D 
glasses to view 3D images.
1. Press the MODE/ENTER button to display the 3D Sync 
menu.
2. Use the  /  buttons to select a 3D sync mode.
- When Auto is selected, the projector detects the input signal 
and determines a suitable 3D sync mode automatically. In case 
the 3D sync...

37
Function Description
Preset ModePre-defined preset modes are provided so you can optimize your 
projector image set-up to suit your program type. See Selecting a 
preset mode on page 26 for details.
BrightnessAdjusts the brightness of the image. See Adjusting Brightness on 
page 26 for details.
ContrastAdjusts the degree of difference between dark and light in the image. 
See Adjusting Contrast on page 27 for details.
Color
Adjusts the color saturation level -- the amount of each color in a 
video...

38
Function Description
Presentation 
TimerReminds the presenter to finish the presentation within a certain time 
frame. See Setting the presentation timer on page 29 for details.
LanguageSets the language for the On-Screen Display (OSD) menus. See 
Using the menus on page 18 for details.
MirrorSee Choosing a location on page 10 for details.
Auto Power 
OffAllows the projector to turn off automatically if no input signal is 
detected after a set period of time. See Setting Auto Power Off on 
page 42 for...

39
Function Description
Standby Mode
Use  /  to select a standby mode.
Normal
The projector is able to provide the following functions when it is in 
standby mode.
• The projector can output a VGA signal when it is in standby 
mode and the COMPUTER IN 1 port is correctly connected to 
devices. 
• The projector can play sound when it is in standby mode and the 
corresponding ports are correctly connected to devices.
See Connection on page 12 for how to make the connections.
Saving
The projector consumes...