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...

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...

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...

14

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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....

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....

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...

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...

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...

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...