background image

EN-16

Viewing computer images (continued)

To stop projecting:

8.  Press the POWER button. 

• A 

confi rmation message is displayed.

•  To cancel the procedure, leave the projector for a while or press the MENU button. 

9.  Press the POWER button. 

•  The lamp goes out and the projector goes into a standby mode. In this standby mode, the STATUS indicator 

blinks green. 

10. Wait about 2 minutes. 

•  During this period of 2 minutes in the standby mode, the intake fan and exhaust fan rotate to cool the lamp. 
•  The lamp can’t be lit again for 1 minute after turned off for safety purpose. It will take another 1 minute for the 

STATUS indicator to go out. If you want to turn on the projector again, wait until the indicator goes out, and 
then press the POWER button.

•  The air outlet fans rotate faster as the temperature around the projector rises.
•  Do not unplug the power cord while the STATUS indicator is blinking. Unplugging the power cord immediately 

after use may cause a breakdown. 

•  Though the fans make loud sounds during cooling, such symptom is not a malfunction.

11. Unplug the power cord from the outlet. 

•  The POWER indicator will go out. 
•  If the power cord should be unplugged accidentally while either the air inlet fan or the air outlet fans are oper-

ating or the lamp is on, allow the projector to cool down for 10 minutes with the power off. To light the lamp 
again, press the POWER button. If the lamp doesn’t light up immediately, repeat pressing the POWER button 2 
or 3 times. If it should still fail to light up, replace the lamp. 

•  Cover the lens with the lens cap to protect it from dust. 
•  If necessary, disconnect the cables from the computer after unplugging the power cord.

AV mute

The video and audio signals are temporarily muted when the MUTE button is pressed. To cancel muting, press the 
MUTE button again.
•  It takes several seconds before muting is completely canceled. 
•  If MUTE MODE in the INSTALLATION menu is set to IMAGE, the splash screen will appear when the MUTE button 

is pressed. 

•  You can alter the splash screen optionally. See page 32. 
•  The audio from the AUDIO OUT terminal is also muted by pressing the MUTE button.

AUTO POSITION button 

When the image supplied from the computer is displaced, carry out the following procedure. 
1.  Project a bright image containing as many texts and characters as possible. 
2.  When the screen saver has been enabled, disable it. 
3.  Press the AUTO POSITION button.  
 

The projector automatically makes optimum positional settings for the input signal. 

•   If the projected image is still displaced even after pressing the AUTO POSITION button several times, refer to 

the procedure to adjust computer images. (See pages 30 and 31.)

•   When you carry out this procedure with a dark image, the image may be displaced. 

When connecting to a notebook computer:

When the projector is connected to a notebook computer, images may not be projected in some cases. In such 
cases, set the computer so that it can output signals externally. The setting procedure varies depending on the type 
of the computer. See the instruction manual of your computer.

Example of the setting procedure for external output

Press the [Fn] key and any of the keys [F1] to [F12] at the same time. (The key to be pressed depends on the type of 
the computer you use.) 

Setting of the resolution

If the resolution of the computer doesn’t match with that of the projector, projected images may be obscured. Ensure 
that their resolutions are the same (see page 45). For the method to change the output resolution of the computer, 
contact the manufacturer of the computer. 

Содержание HL2750U

Страница 1: ...HL2750 LCD PROJECTOR MODEL HL2750U User Manual This User Manual is important to you Please read it before using your projector ...

Страница 2: ...the attached specified power supply cord If you use another power supply cord it may cause interference with radio and television reception Use the attached RGB cable and RS 232C cable and the shielded LAN cable with this equipment so as to keep interference within the limits of a FCC Class B device This apparatus must be grounded DO NOT LOOK DIRECTLY INTO THE LENS WHEN THE PROJECTOR IS IN THE POWE...

Страница 3: ...any interference received including interference that may cause undesired operation Note This symbol mark is for EU countries only This symbol mark is according to the directive 2002 96 EC Article 10 Information for users and Annex IV and or to the directive 2006 66 EC Article 20 Information for end users and Annex II Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality ...

Страница 4: ...ids Never push objects of any kind through openings of this projector as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the projector 14 Servicing Do not attempt to service this projector by yourself Refer all servicing to qualified service personnel 15 Damage requiring service Unplug this projector from the ...

Страница 5: ...n lead to breakdown or other failure Place of installation For safety s sake refrain from setting the projector at any place subjected to high temperature and high humidity Please maintain an operating temperature humidity and altitude as specified below Operating temperature between 41 F 5 C and 95 F 35 C Operating humidity between 30 and 90 Never put any heat producing device under the projector ...

Страница 6: ...losion Only Carbon Zinc or Alkaline Manganese Dioxide type batteries should be used Dispose of used batteries according to your local regulations Batteries may explode if misused Do not recharge disassemble or dispose of them in fire Be sure to handle the batteries according to the instructions Load the batteries with its positive and negative sides correctly oriented as indicated on the remote con...

Страница 7: ...1 10 9 8 Important While the menu or the screen for the keystone adjustment or password entry is being displayed or image captur ing is being executed the COMPUTER VIDEO AUTO POSITION and VOLUME buttons function as the and buttons respectively While the menu is on the screen the KEYSTONE button functions as the ENTER button 1 COMPUTER COMPONENT VIDEO IN 1 terminal Mini D SUB 15 pin 2 COMPUTER COMP...

Страница 8: ...ttons are used for the keystone adjustment and fine adjustment and buttons only Pressing the LASER button emits a laser beam Even when you keep holding down the LASER but ton it is emitted only one minute To keep emitting it longer press the LASER button again You can disable the LASER button to prevent laser radiation due to misuse of the button How to disable the LASER button While holding the LA...

Страница 9: ...e unstable When you use the remote control too close to the remote control sensor the remote control may not work correctly Reception angle Vertical directions Vertical directions ceiling mount Front of projector Rear of projector Operate the remote control within a distance of 10 m 30 feet from the projector pointing the light beam at the remote control photo sensor front or rear of the projector...

Страница 10: ...stment foot for the vertical position back into the projector Adjustment of the horizontal position of the projector Adjust the horizontal position of the projector with the adjustment foot for the horizontal position on the bottom Adjustment foot for the vertical position Screen Important Don t transport the projector with its adjustment feet extended Otherwise the adjustment feet may be damaged ...

Страница 11: ... the projector at least 50 cm or 20 inches away from the wall to prevent the air inlet grille and the air outlet grilles that emit hot air from being blocked Do not use the projector in the following locations and manners which may cause fire or electric shock In a dusty or humid place In a sideways position or with the lens facing down Near a heater In an oily smoky or damp place such as a kitchen...

Страница 12: ...77 4 5 215 5 5 9 0 23 200 508 120 305 160 406 237 6 0 287 7 3 12 0 31 250 635 150 381 200 508 297 7 5 359 9 1 15 0 38 300 762 180 457 240 610 357 9 1 18 0 46 Center of the lens Height of the projected image Width of the projected image Screen size Screen size Projection distance L 4 3 Diagonal size Height A Width B Shortest Wide Longest Tele Hd inch cm inch cm inch cm inch m inch m inch cm Project...

Страница 13: ...tor port RGB cable DVI cable option To DVI AUDIO OUT AUDIO IN 1 IN 2 Computer PC audio cable option To PC audio output MONITOR OUT Monitor Use of a long cable may decrease the quality of projected images Images may not be projected correctly depending on the type of the connected computer Also read the instruction manual of the equipment to be connected Contact your dealer for details of connectio...

Страница 14: ...ay cause fire or electric shock Do not modify or alter the power cord If the power cord is modified or altered it may cause fire or electric shock Caution Plug in the power cord firmly When unplugging hold and pull the power plug not the power cord Do not plug in or out the power cord with your hand wet It may cause electric shock 2 1 Earthing terminal Power cord example Viewing computer images contin...

Страница 15: ...I D HDCP button on the remote control that is corresponding to the terminal in use The input source is switched from COMPUTER1 to COMPUTER2 to DVI at every press of the COMPUTER button on the projector The projector automatically selects the appropriate signal format The selected signal format is displayed on the screen The COMPUTER COMPUTER 1 COMPUTER 2 and DVI D HDCP buttons don t function while...

Страница 16: ... The video and audio signals are temporarily muted when the MUTE button is pressed To cancel muting press the MUTE button again It takes several seconds before muting is completely canceled If MUTE MODE in the INSTALLATION menu is set to IMAGE the splash screen will appear when the MUTE button is pressed You can alter the splash screen optionally See page 32 The audio from the AUDIO OUT terminal i...

Страница 17: ...hat are not being received enabled When the video equipment is equipped with the S video output terminal make the connection as follows 1 Connect one end of a commercially available S video cable to the S VIDEO IN terminal of the projector 2 Connect the other end of the S video cable to the S video output terminal of the video equipment 3 Connect one end white and red of the supplied audio video c...

Страница 18: ...vided with a function to switch the methods to output DVI digital signals When your DVD player is provided with such function set it as follows EXPAND or ENHANCED o NORMAL See the users guide of your DVD player for details When your digital device does not have such function set INPUT LEVEL to ENHANCED in the ADVANCED MENU of the IMAGE menu of this projector or adjust the black color by viewing th...

Страница 19: ...utton on the projector or the VIDEO or S VIDEO button on the remote control that is corresponding to the terminal in use The input source is switched between VIDEO and S VIDEO at every press of the VIDEO button on the projector The VIDEO and S VIDEO buttons don t function while the menu is being displayed Though it may take some time before an image is displayed on the screen depending on the type...

Страница 20: ...t If the power cord should be unplugged accidentally while either the air inlet fan or the air outlet fans are oper ating or the lamp is on allow the projector to cool down for 10 minutes with the power off To light the lamp again press the POWER button If the lamp doesn t light up immediately repeat pressing the POWER button 2 or 3 times If it should still fail to light up replace the lamp Cover ...

Страница 21: ...the or button Important You can correct the vertical and horizontal keystones at the same time However their adjustment ranges are limited in such correction When the keystone adjustment is carried out the adjustment value is indicated Note that this value doesn t mean a projection angle The allowable range of the adjustment value in the keystone adjustment varies depending on the installation con...

Страница 22: ...ORIZ POSITION HOLD SETUP 0 999 VERT POSITION 0 999 FINE SYNC 0 31 TRACKING USER 0 9999 CLAMP POSITION 1 255 CLAMP WIDTH 1 63 LPF ON OFF OVER SCAN 100 90 SHUTTER L 0 20 SHUTTER U 0 20 SHUTTER RS 0 20 SHUTTER LS 0 20 VERT SYNC AUTO OFF 6 3 8 2 3 8 8 8 3 2 2 2 3 8 3 8 5 AUTO OFF CINEMA MODE 3 8 3 8 3 8 6 6 OFF BEGIN 0 99 END 0 99 COMPUTER INPUT SYNC TYPE LAMP TIME LOW INPUT RESOLUTION HORIZONTAL FREQ...

Страница 23: ...ed TINT is available only when the NTSC signal is input SHARPNESS 5 Use to adjust the sharpness of the projected image See page 28 ADVANCED MENU NOISE REDUCTION ON OFF Use to reduce noise and roughness in the image when noisy video signal is input CTI ON OFF Use to correct smeared color boundaries INPUT LEVEL 5 For analog signal input The input level of video signal differs among devices to be con...

Страница 24: ...UE BLACK and IMAGE which will be displayed when there is no signal input from the source When IMAGE is selected the splash screen will be displayed MUTE MODE BLACK IMAGE Use to choose the background either BLACK or IMAGE which will be displayed when the MUTE button is pressed When IMAGE is chosen the splash screen will be displayed IMAGE REVERSE OFF Select when viewing images from the front with t...

Страница 25: ...he input signal If the image isn t displayed correctly select the desired video format manually SETUP AUTO Select to change the SETUP mode automatically OFF Select to make black lighter 3 75 7 5 Select to make black thicker When 7 5 is chosen the brightness is decreased by the set up can cel function for the U S Choose OFF when the image is dark SCART INPUT ON OFF Choose ON when connecting the pro...

Страница 26: ...ting is automatically selected RGB Select this option when connecting the projector to high definition video equipment having R G and B output terminals YCBCR YPBPR Select this option when connecting the projector to a DVD player or other device having Y CB and CR or Y PB and PR component video output terminals OVER SCAN 100 90 Use to adjust the display area of projected image HOLD OFF ON Use to ad...

Страница 27: ... yellow When it reaches 4750 hours the bar turns to red INPUT Indicates the name of the terminal to which the currently projected video signal is being input RESOLUTION Indicates the resolution of the currently projected video signal VERTICAL FREQUENCY Indicates the vertical frequency of the currently projected video signal HORIZONTAL FREQUENCY Indicates the horizontal frequency of the currently p...

Страница 28: ... 23 for menu setting 1 Display the IMAGE menu 2 Select COLOR or TINT by pressing the or button COLOR or TINT is unavailable when COMPUTER1 COMPUTER2 or DVI is selected as the input source TINT is available only when the NTSC signal is input 3 Adjust the selected item by pressing the or button To cancel the menu 4 Press the MENU button COLOR Use to adjust the color thickness of the projected image ...

Страница 29: ...rature Decrease the CONTRAST B blue and increase the CONTRAST R red If you set all of CONTRAST R G and B to negative values the original brightness of the image can t be obtained even when you maximize CONTRAST in the IMAGE menu CONTRAST B 0 BRIGHTNESS R 0 CONTRAST R COLOR TEMP USER 0 CONTRAST G 0 BRIGHTNESS G 0 BRIGHTNESS B 0 Color Enhancer You can set the user defined balance between the brightne...

Страница 30: ... the Settings tab to display the screen resolution setting The screen resolution setting of your computer is different from the setting of RESOLUTION MEMORIZE in the SIGNAL menu of the projector Select RESOLUTION MEMORIZE in the SIGNAL menu and press the ENTER button Set HORIZ PIXELS and VERT LINES to the values of the screen resolution of your computer Example When the screen resolution of the co...

Страница 31: ... on the right or left half of the image Adjust SHUTTER LS or SHUTTER RS in the SIGNAL USER menu Noise appears on the top or bottom part of the image Adjust SHUTTER U or SHUTTER L in the SIGNAL USER menu 1 Display the SIGNALmenu 2 Press the or button to select an item to adjust 3 Adjust the selected item by pressing the or button To cancel the menu 4 Press the MENU button Do not change the settings...

Страница 32: ... start Press the MENU button to cancel the procedure When the image capture completes the cap tured image will be displayed for three seconds Important You can t change the new startup screen back to the original startup screen Even when you select RESET ALL in the FEATURE menu the factory default screen isn t available any longer When you want to change the startup screen again capture another im...

Страница 33: ...DISPLAY INPUT MENU ACCESS and SPLASH ID SCREEN When the password has already been set the mode won t be changed In such cases press the ENTER button to cancel the password func tion and try again 4 Press the ENTER button The screen for setting the password function will appear 5 Press the ENTER button The screen for entering a password will appear 6 Enter a 4 8 digit password using the or button o...

Страница 34: ...ppear Important In the EXPAND mode you can t adjust the volume Picture in Picture PinP One of the special features of this projector is the picture in picture PinP mode The PinP mode allows you to view the images from different sources at the same time To use the PinP mode 1 Press the PinP button on the remote control When you press the PinP button with the image from the COMPUTER COMPONENT VIDEO ...

Страница 35: ...rolled by the remote control correctly To extend the cable length you are recommended to use a repeater COMPUTER VIDEO S VIDEO DVI D HDCP HOME PageUP END PageDOWN AUTO POSITION KEYSTONE 1 2 MENU ENTER LASER R CLICK USB Mouse pointer Use to move the cursor on the image instead of the computer mouse R CLICK button This operates in the same way as the right button on the computer mouse L CLICK button...

Страница 36: ...oftware is required For the specifications of PJLink access to the Web site of Japan Business Machine and Information System Industries Association JBMIA http pjlink jbmia or jp english This projector is fully compliant to the specifications of JBMIA PJLink Class 1 It supports all the commands defined by PJLink Class 1 and the compliance has been verified with the PJLink standard specifications Version...

Страница 37: ...power was on Lamp operation time warning Total lamp operation time reached 3750 hours 1 while the power was off Lamp operation time warning Total lamp operation time reached 5000 hours 1 2 while the power was off 1 Duration when LAMP MODE of the INSTALLATION menu is set to LOW When it is set to STANDARD this duration will be shorted 2 When LAMP MODE is set to STANDARD this duration will be shorted...

Страница 38: ...r about 4750 hours 1 the replacement message LAMP EXCHANGE will appear on the screen for 1 minute every 25 hours 1 thereafter When the lamp operation time exceeds 5000 hours 1 2 the projector automatically shuts off and can t be used until the lamp is replaced and the lamp operation time is reset 1 Duration when LAMP MODE of the INSTALLATION menu is set to LOW When it is set to STANDARD this durat...

Страница 39: ... t turn on if the lamp cover isn t attached securely Be sure to reset the lamp operation time whenever you replace the lamp Do not reset the lamp operation time unless you replace the lamp When removing the lamp from the ceiling mounted projector When removing the lamp from the ceiling mounted projector use the lamp replacement tray packed with the projector or option lamp to prevent glass fragmen...

Страница 40: ... filter Use water or diluted mild detergent to clean the filter Rinse the filter thoroughly and let it dry completely 4 Attach the air filter 5 Attach the filter cover to the projector Make sure that the air filter is attached correctly without displacement Important If the filter is damaged or becomes extremely dirty change it with a new filter Contact your dealer for a new filter Use the dedicated filter ...

Страница 41: ...off Solution Check whether the indicators are on or off and how they are lightning Cancel the AV mute by pressing the MUTE button Check that the lens cap is removed It may take about 1 minute for the lamp to light up The lamp fails to light up on rare occasions In such a case wait for a few minutes and then try again If the projector was turned off before the lamp was cooled down sufficiently last ...

Страница 42: ... on the type of the DVD player or game console you use In such a case you can reduce such streak noise by enabling the LPF Connect the plugs of the cables to external devices securely Keep the projector away from devices that emit interfering radio waves When the keystone adjustment is carried out the image may not be displayed correctly depending on the type of input signal This isn t a product m...

Страница 43: ...been set to MENU ACCESS to enable the password lock Cancel the password lock or contact the person in charge of management of the projector See page 33 If the following problem occurs after the lamp is replaced check the following first Problem The projector does not turn on The STATUS indicator blinks Solution Fit the lamp cover securely See pages 38 and 39 Reset the lamp operating time See page 3...

Страница 44: ...00 dots compressed Panel resolution 1400 x 1050 dots NTSC PAL SECAM 4 43NTSC PAL M PAL N PAL 60 480i 480p 576i 576p 720p 1080i 1080p Panel resolution 1400 x 1050 dots Signal type Terminal type Line Analog RGB Mini D SUB 15 pin 2 Digital RGB DVI D 1 Signal type Terminal type Line Video input RCA 1 S Video input S 1 Signal type Terminal type Line RGB Stereo mini jack ø3 5 2 Video RCA L R 1 S video R...

Страница 45: ...1 1400 x 875 1280 x 768 2 WXGA60b 1360 x 768 47 71 60 02 1400 x 790 1280 x 768 WXGA60c 1366 x 768 47 50 59 75 1400 x 788 1280 x 768 WXGA 60 1440 x 900 55 94 59 89 1400 x 875 1400 x 900 3 SXGA60b 1280 x 960 60 00 60 00 1400 x 1050 1280 x 960 SXGA75b 1280 x 960 75 00 75 00 1400 x 1050 1280 x 960 SXGA85b 1280 x 960 85 94 85 00 1400 x 1050 1280 x 960 SXGA60 1280 x 1024 63 98 60 02 1312 x 1050 1280 x 1...

Страница 46: ...f your computer aren t shown on the table find the compatible resolution and frequency by changing the resolution of your computer TV60 and TV50 are equivalent to 480i and 576i respectively When these signals are supplied to the VIDEO IN or S VIDEO IN terminal the signal mode is indicated as TV60 or TV50 When they are supplied to the COMPUTER IN COMPONENT VIDEO IN terminals the signal mode is indic...

Страница 47: ...a CHINA Mitsubishi Electric Air Conditioning Visual Information Systems Shanghai Ltd 12 F Hong Kong New World Tower 300 Huaihai Middle Road Shanghai 200021 China Sales Inquiries Phone 86 21 6335 3030 Ext 3007 Fax 86 21 6335 3600 Technical Inquiries Phone 86 21 6335 3030 Ext 3021 Fax 86 21 6335 3600 HONG KONG Mitsubishi Electric Ryoden Air Conditioning Visual Information Systems HongKong Ltd 7th Fl...

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