Mitsubishi Hc4900w Projector User Manual

EN-11
Front projection, ceiling mounting
For ceiling mounting, 
you need the ceiling 
mount kit designed 
for this projector. 
Ask a specialist for 
installation. For details, 
consult your dealer.
The warranty on this projector does not cover any 
damage caused by use of any non-recommended 
ceiling mount kit or installation of the ceiling mount 
kit in an improper location.
When using the projector mounted on the ceiling, 
set IMAGE REVERSE in the INSTALLATION menu 
to MIRROR INVERT. See page 26.
When...

EN-12
Screen size and projection distance
Refer to the following table to determine the screen size. 
Screen width B
Down side
Up side
50%
50%
SCREEN
Screen height A
(H)
(H)
(L)Right side
Left side
(W) (W)
When the aspect ratio of the screen is 4:3
When the aspect ratio of the screen is 4:3, the positional 
relation between the projected image and the screen is as 
shown on the right. Refer to the following table for installation.
When the aspect ratio of the image is 16:9
Screen sizeSize of the...

EN-13
HDMI IN
SERIAL DVI-D(HDCP) IN
TRIGGERCOMPUTER IN/
COMPONENT
VIDEO IN
VIDEO IN
S-VIDEO
INPR/
CR
PB/
CB
COMPONENT
VIDEO IN
AC IN
DVD player
A. Connecting the projector to video equipment
When the projector and the connected devices are located too close to each other, the projected image may be 
affected by their interference.
See the owner’s guide of each device for details about its connections.
Preparation:
Make sure that the power of the projector and that of the video equipment are turned off....

EN-14
DVI-D(HDCP) IN
TRIGGERCOMPUTER IN/
COMPONENT
VIDEO IN
VIDEO IN
S-VIDEO
INPR/
CRPB/
CB
COMPONENT
VIDEO IN
1 2 
1 2 
HDMI IN
SERIAL DVI-D(HDCP) IN
TRIGGERCOMPUTER IN/
COMPONENT
VIDEO IN
VIDEO IN
S-VIDEO
INPR/
CRPB/
CB
COMPONENT
VIDEO IN
AC IN
PB/CBY PR/CR 
PB/CB
Y
P
R/CR
HDMI IN
SERIAL DVI-D(HDCP) IN
TRIGGERCOMPUTER IN/
COMPONENT
VIDEO IN
VIDEO IN
S-VIDEO
INPR/
CRPB/
CB
COMPONENT
VIDEO IN
AC IN
Y Component cable (option)
Connect one end of the optional video cable to the VIDEO 
IN terminal of the...

EN-15
HDMI IN
SERIAL DVI-D(HDCP) IN
TRIGGERCOMPUTER IN/
COMPONENT
VIDEO IN
VIDEO IN
S-VIDEO
INPR/
CRPB/
CB
COMPONENT
VIDEO IN
AC IN
HDMI IN
SERIAL DVI-D(HDCP) IN
TRIGGERCOMPUTER IN/
COMPONENT
VIDEO IN
VIDEO IN
S-VIDEO
INPR/
CRPB/
CB
COMPONENT
VIDEO IN
AC IN
To audio output 
terminals
Connecting to video equipment having a HDMI terminal or DVI-D terminal
You can project high-quality images by connecting the HDMI IN terminal of this projector to video equipment having 
a HDMI output terminal or DVI-D...

EN-16
1
2
HDMI IN
SERIAL
AC IN
When you connect this projector and a DVI-Digital device (such as a DVD player) via the HDMI terminal or DVI-
D (HDCP) terminal, black color may appear dark and deep, depending on the type of the connected device.
This depends on the black level setting of the connected device. There are two kinds of methods to digitally 
transfer image data, in which different black level settings are employed respectively. Therefore, the specifi cations 
of the signals output from DVD...

EN-17
Confi rm the POWER indicator lights-up red.
If the projector was turned off before the lamp had cooled down suffi ciently, the fan may start rotating and the 
POWER button may not work after the power cord is plugged. (The STATUS indicator blinks green.) After the 
fan stops rotating, press the POWER button to turn back on the POWER indicator.
Press the POWER button on the projector or ON ( I ) button on the remote control.
It may take about one minute for the lamp to light up.
The lamp fails to...

EN-18
POWER button
To stop projecting:
Press the POWER button on the projector or the OFF () button on the remote control.
A confi rmation message is displayed.
To cancel the procedure, leave the projector for a while or press the MENU button.
Press the POWER button on the projector or the OFF (
) button on the remote control again.
The lamp goes out and the projector goes into a standby mode. In this standby mode, the STATUS indicator 
blinks green.
Wait about 2 minutes.
During this period of 2 minutes...

EN-19
Viewing video images (continued)
Setting the aspect ratio
You can change the aspect ratio of the input video signal (or the ratio of width to height of the image). Change the 
setting according to the type of the input video signal.
 : Signal size   : Image area
Original image size
4:3 16:9 ZOOM1 ZOOM2 STRETCH
Aspect ratio 
changes 
depending on the 
input signal.Squeezed image is 
expanded to 16:9. CinemaScope image is 
enlarged and displayed 
together with subtitles.Vista image is enlarged 
and...

EN-20
How to change the settings:
With the remote control:
Press the ASPECT button.
Every time the ASPECT button is pressed, the aspect mode changes from AUTO to 4:3, 16:9, to ZOOM1, to 
ZOOM2, to STRETCH, and back to AUTO.
Some modes are not available with certain signals.
With the FEATURE menu:
(See page 25 for menu setting.)
Display the FEATURE menu.
Select ASPECT by pressing the S or T button.
Select your desired aspect ratio by pressing the W or X button.
To cancel the menu:
Press the MENU button....