Hitachi Cp-Rs55 Projector Users Manual

							
11

Setting up
(a) Screen size  [inch (m)](b) Projection distance  [m (inch)](c) Screen height [cm (inch)]downup
40(1.0)1.5(57)8.7(3)52.3(21)
50(1.3)1.8(72)10.9(4)65.3(26)
60(1.5)2.2(87)13.1(5)78.4(31)
70(1.8)2.6(101)15.2(6)91.4(36)
80(2.0)2.9(116)17.4(7)104.5(41)
90(2.3)3.3(130)19.6(8)117.6(46)
100(2.5)3.7(145)21.8(9)130.6(51)
120(3.0)4.4(174)26.1(10)156.8(62)
150(3.8)5.5(218)32.7(13)195.9(77)
200(5.1)7.4(291)43.5(17)261.3(103)
(a) Screen size  [inch (m)](b) Projection distance  [m (inch)](c) Screen height [cm (inch)]downup
40(1.0)1.6(63)1.2(0)48.6(19)
50(1.3)2.0(78)1.5(1)60.8(24)
60(1.5)2.4(94)1.8(1)72.9(29)
70(1.8)2.8 (110)2.1(1)85.1(34)
80(2.0)3.2(126)2.4(1)97.2(38)
90(2.3)3.6(142)2.7(1)109.4(43)
100(2.5)4.0(158)3.0(1)121.6(48)
120(3.0)4.8(190)3.6(1)145.9(57)
150(3.8)6.0(238)4.4(2)182.3(72)
200(5.1)8.1(317)5.9(2)243.1(96)
Arrangement
Refer to the illustrations and tables below 
to determine the screen size and projection 
distance.
The values shown in the table are calculated 
(±3%) for a full size screen: 800x600 
At 16:9 screen
At 4:3 screen
4:3
(a)
16:9
(a)
(c) up
(c)  down
(b) 
						

							
12

Adjusting the projector's elevator
WARNING  ►Do not adjust the projector’s elevator during use or 
immediately after use. Handling while the projector is in a high temperature 
could cause a burn and/or malfunction to the projector.
 Before operating, make 
sure that the power switch is off, that the power cord is not plugged in, and that 
the projector is cool adequately.
CAUTION  ►If you press the elevator button without holding the projector, 
the projector might crash down, overturn, smash your fingers and possibly 
result in malfunction. To prevent damaging the projector and injuring yourself, 
always hold the projector whenever using the elevator buttons to adjust the 
elevator feet.
►Except for inclining by the elevator feet adjustment, place the projector 
horizontally.
You can use the elevator feet to make adjustments if the surface on which you 
need to set the projector is uneven or if you otherwise need to adjust the angle of 
projection. The adjustment range of the elevator feet is 0 to 9 degrees.
1. Press and hold in the elevator buttons while holding the projector . 
The elevator buttons and the elevator feet are on the both sides.
2. Raise or lower the projector to the desired height and then release the 
elevator buttons.  
   When you release the elevator buttons, the elevator feet will lock into position.
3. As necessary, you can also finely adjust the height of the projector by twisting 
the elevator feet by hand.
Setting up
Elevator feetElevator button 
						

							
13

Setting up
Connecting your devices
CAUTION  ►Turn off all devices prior to connecting them to the projector. 
Attempting to connect a live device to the projector may generate extremely 
loud noises or other abnormalities that may result in malfunction and/or damage 
to the device and/or projector.
►Use the accessory cable or a designated-type cable for the connection. 
Some cables have to be used with core set. A too long cable may cause a 
certain picture degradation. Please consult with your dealer for details. For 
cables that have a core only at one end, connect the core to the projector .
►Make sure that you connect devices to the correct port. Incorrect connection 
may result in malfunction and/or damage to the device and/or projector . 
NOTE  • Whenever attempting to connect a laptop computer to the projector, 
be sure to activate the laptop’s RGB external image output (set the laptop to CRT 
display or to simultaneous LCD and CRT display). For details on how this is done, 
please refer  to the instruction manual of the corresponding laptop computer.
• Secure the screws on the connectors and tighten.
• Some computers may have multiple display screen modes. Use of some of 
these modes wi ll not be possible with this projector.
• For some RGB signal modes, the optional Mac adapter is necessary.
• When the image resolution is ch anged on a computer, depending on an input, 
automatic adjust function may take some time and may not be completed. In 
this case, you may not be able to see a check box to select “Yes/No” for the 
new resolution on Windows. Then the resolution will go back to the original. 
It might be recommended to use other CRT or LCD monitors to change the 
resolution.
About Plug-and-Play capability
Plug-and-Play is a system composed of the computer, its operating system and 
peripheral equipment (i.e. display devices). This projector is compatible with 
VESA DDC 
2B. Plug-and-Play can be achieved by connecting this projector to 
computers that are VESA DDC (display data channel) compatible. 
• Please take advantage of this function by connecting the accessory RGB 
cable to the RGB port (DDC 2B compatible). Plug-and-Play may not work 
properly if any other type of connection is attempted.
• Please use the standard drivers in your computer as this projector is a  
Plug-and-Play monitor. 
						

							
14

K

K
K
K

Setting up
Audio outS-Video outRS-232CRGB out
Examples of connection with a computer 
Examples of connection with a VCR/DVD player
Audio cable (stereo mini)
RGB cable
Video outAudio out
Audio cable (stereo mini)
Audio cable (stereo mini)
Audio out
Component video cable
Audio out
Audio cable (stereo mini) Video cable
RS-232C cable
S-Video cable
Component video out 
						

							
15

Connecting power supply
WARNING  ►Please use extra caution when connecting the power cord as 
incorrect or faulty connections may result in fire and/or electrical shock.
• Only use the power cord that came with the projector. If it is damaged, contact 
your dealer to newly get correct one.
• Only plug the power cord into an outlet rated for use with the power cord's 
specified voltage range.
• Never modify the power cord. Never attempt to defeat the ground connection 
of the three-pronged plug.
Before connecting, make sure that the power switch is the OFF position (pressed 
the side marked “O”).
1. Connect the connector of the power cord to the AC inlet of the projector. 
2. Firmly plug the power cord's plug into the outlet. 
Setting up
Power switchAC inlet
Connector of the power cord 
						

							
16

Power on/off
Power on/off
Turning on the power
WARNING  ►When the power is on, a strong light is emitted. Do not look 
into the lens or vents of the projector.
NOTE  •  Turn the power on in right order.  Please power on the projector before 
the connected devices. 
STANDBY/ON button
1. Make sure that the power cord is firmly and correctly connected to the 
projector and outlet.  
2. Open the lens cover, and set the power switch to the ON position.  
The power indicator will light to solid orange. Then wait several seconds 
because buttons may not function for these several seconds. 
3. Press the STANDBY/ON button on the projector or remote control.  
The projector lamp will light up and the POWER indicator will begin blinking 
green. When the power is completely on, the indicator will stop blinking and 
light green.
To display the picture, select an input signal according to the section "Selecting an 
input signal" (18).
POWER
(Solid orange)
POWER (Blinking green)
POWER
(Solid green)
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANK
MUTEVOLUME
KEYSTONE
POSITION
ES
C ENTERMENU
RESET
ZOOM+-
POWER indicator
Power switchST ANDBY/ON
INPU
T
MENU
LAMP
T E M P
P O W E R 
						

							
17

Turning off  the power
NOTE  • Turn the power off in right order. Please power off the projector after the 
connected devices.
• Except for an emergency, whenever you turn the projector off, obey the procedure 
of the following “Turning off the power”, and do not disconnect the power cord until the 
procedure is completed. Neglect causes a damage of the electrode and un-lighting of 
the lamp.
• This Projector is controlled by an internal microprocessor. Under certain exceptional 
circumstances, the projector may not operate correctly even for turning off the power. In 
such a case, please push the restart switch 
(4)  by using a pin or similar. After making 
sure that the power indicator lights to solid orange, set the power switch to the OFF 
position. Only push the restart switch in these exceptional instances.
• When a power supply is shut off with a power failure or the restart switch, before 
turning on again, make the projector cool down at least 10 minutes without operating. 
1. Press the STANDBY/ON button on the projector or remote control.  
The message "Power off?" will appear on the screen for approximately 5 
seconds.
2. Press the STANDBY/ON button on the projector or remote control again while the 
message is visible. 
The projector lamp will go off, and the POWER indicator will begin blinking orange. 
Then the POWER indicator will stop blinking and light to solid orange when the 
lamp cooling is complete.
3. Make sure that th e power indicator lights to solid orange,  set the power switch 
to the OFF position. The POWER indicator will go off.  
Do not set the power switch to the OFF position while the POWER indicator is 
green or blinking.
4. Close the lens cover. For safety purposes, disconnect the power cord if the 
projector is not to be used for prolonged periods of time.
Power on/off
 Power off ?
POWER (Blinking orange)
POWER
(Solid orange)
POWER
(Solid orange) 
						

							
18

Operating
Operating
Adjusting the volume
1. Press the VOLUME button on the remote control. 
A dialog will appear on the screen to aid you in adjusting 
the volume.
2. Use the cursor buttons ▲/▼ to adjust the volume.
To close the dialog and complete the operation, press the VOLUME button 
again. Even if you don’t do anything, the dialog will automatically disappear 
after a few seconds. 
Temporarily muting the sound
1. Press the MUTE button on the remote control.  
A dialog will appear on the screen 
indicating that you 
have muted the sound. 
To 
restore the sound, press the MUTE button or 
VOLUME button. Even if you don’t do anything, the 
dialog will automatically disappear after a few seconds.
Selecting an input signal
1. Press the INPUT button on the projector.  
Each time you press the button, the projector switches 
its input port as below.
RGB  S-VIDEO  VIDEO 
 
1. Press the RGB button on the remote control to select 
the RGB port. 
1. Press the  VIDEO button on the remote contro l to select 
an input port for video signal.  
Each time you press the button, the projector switches 
its video input port as below. 
S-VIDEO  VIDEO  
   
● When the TURN ON is selected to the item AUTO SEARCH of OPTION menu 
(38), the projector selects the S-VIDEO port at first. If no input is detected at the 
S-VIDEO port, projector will check the VIDEO port automatically.
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
ST ANDBY/ON
INPU
T
MENU
LAMP
T E M P
P O W E R
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+- 
						

							
19

Operating
Adjusting the zoom (magnifying power)
1. Press the ZOOM +/- button on the remote control.  
A dialog will appear on the screen to aid you in 
adjusting the zoom.
2. Use the ZOOM buttons +/- to adjust the zoom. 
To close the dialog and complete this operation, don’t 
perform operation for a few seconds.
Searching an input signal
1. Press the SEARCH button on the remote control.   
The projector will begin to check its input ports in order 
to find any input signals. 
 
Then when an input is found, the projector will stop 
searching and display the image. If no signal is found, 
the projector will return to the state selected before the 
operation. 
RGB  S-VIDEO  VIDEO  
   
VIDEO RGBSEARCHST
ANDBY/ON
FREEZEOFFONMAGNIFYASPECT AUTOBLANKHOMEPAGE UPPAGE DOWNENDMUTEVOLUME
KEYSTONEPOSITION
ES
C ENTERMENU
RESET
Selecting an aspect r atio
1. Press the ASPECT button on the remote control.   
Each time you press the button, the projector switches the modes for aspect 
ratio in turn. 
 At a RGB signal
NORMAL  4:3  16:9 
  
 At a video signal /no signal 
4:3  16:9 
  
● The NORMAL mode keeps the original aspect ratio of the signal.
● At a HDTV component video signal of 1125i (1080i) or 750p (720p), only 16:9 
mode can be selected.
● Performing the automatic adjustment initializes the aspect ratio setting.
Adjusting the focus
1. Use the focus ring to focus on the picture.
VIDEO
RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+- 
						

							
20

Operating
Correcting the keystone distortions
1. Press the KEYSTONE button on the remote control. 
A dialog will appear on the screen to aid you in
 correcting 
the distortion.
2. Use the cursor buttons ▲/▼ to correct the distortion.
To close the dialog and complete this operation, press 
the KEYSTONE button again. Even if you don’t do anything, the dialog will 
automatically disappear after a few seconds. 
● This function may not be work well with some input.
● The adjustable range for correcting will vary among inputs.
Using the  automatic adjustment feature
1. Press the  AUTO button on the remote control.  
 At a RGB signal 
The vertical position, the horizontal position, the clock 
phase and horizontal size will be automatically adjusted. 
Make sure that the application window is set to its maximum size prior to 
attempting to use this feature. A dark picture may still be incorrectly adjusted. 
Use a bright picture when adjusting.
 At a video signal 
The video format best suited for the respective input signal will be selected 
automatically.
 
This function is available only when the AUTO mode is selected to the item 
VIDEO FORMAT of INPUT menu
 (32). For a component video signal, the 
signal type is identified automatically, indep
endently of this function. 
●  The automatic adjustment operation requires approximately 10 seconds.  Also 
please note that it may not function correctly with some input.
Adjusting the position
1. Press the POSITION button on the remote control. 
The “POSITION” indication will appear on the screen.
2. Use the cursor buttons ▲/▼/◄/► to adjust the picture 
position.
When you want to reset the operation, press the RESET button on the remote 
control during the operation. 
To complete this operation
, press the POSITION button again. Even if you don’t 
do anything, the dialog will automatically disappear after a few seconds.
● When this function is performed at a video signal, a certain extra such as a line 
may appear outside a picture.
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFFONMAGNIFYASPECT
AUTOBLANKMUTEVOLUMEKEYSTONEPOSITION
ESC ENTERMENU
RESET
ZOOM+-
VIDEO RGBSEARCH
FREEZEOFF
ONMAGNIFYASPECT
AUTOBLANK
MUTE
VOLUME
KEYSTONE
POSITION
ES
C ENTE
RMENU
RESET
ZOOM+-