Instruction/ maintenance manual of the product HL2750U Mitsubishi Electronics
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HL2750 LCD PROJECTOR MODEL HL2750U User Manual This User Manual is important to you. Please r ead it befor e using your pr ojector ..
EN-2 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION : TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE P ARTS INSIDE REFER SERVICING TO QUALIFIED SER VICE PERSONNEL.
EN-3 Contents Important safeguards ........................................................................................................................ 4 Preparing your pr ojector ...................................................................
EN-4 Important safeguar ds Please read all these instructions r egar ding your projector and r etain them for futur e refer ence. Follow all warnings and instructions marked on the projector . 1. Read instructions All the safety and operating instructions should be read befor e the appliance is operated.
EN-5 WARNING: Unplug immediately if there is something wrong with your pr ojector . Do not operate if smoke, strange noise or odor comes out of your projector . It might cause fi re or electric shock. In this case, unplug immediately and contact your dealer .
EN-6 Pr eparing your pr ojector 1 2 3 Checking accessories The following accessories are pr ovided with this pr ojector . Check to be sure that all of the accessories ar e packed in the package. Important: • The attached power cords ar e to be used exclusively for this pr oduct.
EN-7 Overview 9 7 8 2 1 3 4 5 11 10 12 13 6 1 2 3 4 5 6 7 8 9 1 Speaker 2 Air inlet grille/Filter cover 3 Control ar ea 4 ZOOM ring 5 FOCUS ring 6 Remote contr ol sensor (Front) 7 Air outlet grille 8 .
EN-8 1 2 Preparating your projector (continued) Bottom side 1 Adjustment foot (for vertical position) 2 Adjustment foot (for horizontal position) 1 2 COMPUTER VIDEO S-VIDEO DVI-D(HDCP) HOME PageUP END.
EN-9 Using the r emote contr ol 30° 30° 30° 30° 20° 10° 20° 10° 20° 20° Operational range of the r emote contr ol • Keep the remote contr ol photo-sensor out of dir ect sunlight or fl uor escent lamp light. • Keep the remote control photo-sensor at least 2 m (6 feet) away from fl uor escent lamps.
EN-10 Setting up your pr ojector W A A=B B Setting up the screen Install the screen perpendicularly to the pr ojector . If the screen can not be installed in such a way , adjust the projection angle of the pr ojector .
EN-11 Front pr ojection, ceiling mounting For ceiling mounting, you need the ceiling mount kit designed for this projector . Ask a specialist for installa- tion.
EN-12 Scr een size and pr ojection distance Refer to the following table to determine the screen size. B A Hd When the aspect ratio of the screen is 4:3 40 102 24 61 32 81 46 1.2 56 1.4 2.4 6 60 152 36 91 48 122 70 1.8 85 2.2 3.6 9 80 203 48 122 64 163 94 2.
EN-13 2 1 2 1 A. Connecting the pr ojector to a computer Preparation: • Make sure that the power of the pr ojector and that of the computer are turned off. • When connecting the projector to a desktop computer , disconnect the RGB cable that is connected to the monitor .
EN-14 1. Plug the attached power cord into the power cord inlet of this projector . 2. Plug the other end of the power cord into a power outlet. • The power cords for use in the U.S. and Eur ope are included with this projector . Use the appropriate one for your country .
EN-15 C. Pr ojecting images Preparation: • Remove the lens cap. • T ur n on the power of the connected computer . 1. Confi rm the POWER indicator lights up r ed.
EN-16 Viewing computer images (continued) T o stop projecting: 8. Press the POWER button. • A confi rmation message is displayed. • T o cancel the procedure, leave the pr ojector 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.
EN-17 1 2 4 3 1 3 4 2 Connecting to a video player , etc. 1. Connect one end (yellow) of the supplied audio/video cable to the VIDEO IN terminal of the projector . 2. Connect one end (white and red) of the supplied audio/ video cable to the audio input terminals (L/MONO, R) of the projector .
EN-18 Connecting to video equipment having a DVI-D terminal Y ou can project high-quality images by connecting the DVI-D terminal of this projector to video equipment having a DVI-D output terminal. In addition, this projector supports HDCP and is able to r eceive encrypted digital video data that are output fr om DVD players.
EN-19 C. Pr ojecting images Preparation: • Remove the lens cap. • T ur n on the power of the connected video equipment. 1. Confi rm the POWER indicator lights up r ed.
EN-20 T o stop projecting: 8. Press the POWER button. • A confi rmation message is displayed. • T o cancel the procedure, leave the pr ojector 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.
EN-21 Setting the aspect ratio Y ou 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. How to change the settings: With the remote contr ol: 1.
EN-22 Menu operation • Menus are not displayed when no signal is supplied to the pr ojector . * 1: Not available when COLOR ENHANCER is set to sRGB. * 2: Not available with certain signals. * 3: Not available when the input signal is from the VIDEO IN or S-VIDEO IN terminal.
EN-23 Available settings in the menus Set the following items on their relevant menus. 1. IMAGE menu IMAGE - ADV ANCED MENU ITEM SETTING FUNCTION COLOR ENHANCER AUTO Select to optimize the settings automatically depending on the input signal. (Select this option for normal use.
EN-24 2. INSTALLATION menu Menu operation (continued) ITEM SETTING FUNCTION WALL SCREEN OFF / BEIGE / Select any option depending on the color of the wall on which images are LIGHT BLUE / projected. When selecting any option other than BLACK BOARD, you can LIGHT GREEN / make fi ne adjustment of color tone (1 to 5).
EN-25 3. FEA TURE menu FEA TURE AUTO AUTO opt. MENU POSITION VIDEO SIGNAL ? ASPECT RESET ALL English LANGUAGE A Ë OK SCART INPUT DISPLA Y INPUT P ASSWORD FUNCTION CINEMA MODE AUTO 1. SETUP AUTO OFF ITEM SETTING FUNCTION ASPECT AUTO Select to change the aspect ratio automatically depending on the input signal.
EN-26 4. SIGNAL menu SIGNAL - RESOLUTION (MEMORIZE) menu SIGNAL - USER menu ITEM SETTING FUNCTION MEMOR Y CALL AUTO / MEMOR Y 1 / Use to select the setting of RESOLUTION (MEMORIZE) alr eady saved. Impossible to select if no setting has been saved. AUTO is selected by default.
EN-27 5. INFORMA TION menu ITEM DESCRIPTION LAMP TIME (LOW) This item shows a lamp operating time (hour) calculated based on that LAMP MODE is LOW . • When the LAMP MODE is ST ANDARD, this item shows a longer lamp operating time than the actual time.
EN-28 Adjusting pr ojected images T o adjust the brightness (CONTRAST and BRIGHTNESS): Y ou can make adjustments for the brightness of the projected image using the menu. (See page 23 for menu setting.) 1. Display the IMAGE menu. 2. Select CONTRAST or BRIGHTNESS by pressing the S or T button.
EN-29 T o adjust the tone of white (COLOR TEMP .): Y ou can select a preset color temperature (white tone) using the menu. (See page 23 for menu setting.) 1. Display the IMAGE menu. 2. Select COLOR TEMP . by pressing the S or T button. 3. Select your desired color temperature by pr essing the W or X button.
EN-30 Adjusting pr ojected images (continued) This projector automatically selects a pr oper signal format according to the type of video signal supplied from the computer . However , video signals from the computer may not be projected corr ectly depending on the types of the computer and images to be projected.
EN-31 How to adjust the image supplied from the computer using the menu: Carry out the following procedur es according to the symptoms. Wide strips appear . ……………………………………… Adjust TRACKING in the SIGNAL menu. The projected image fl ickers.
EN-32 CAPTURE : ENTER + ENTER CANCEL : MENU CAPTURE : ENTER X2 CANCEL : MENU CAPTURE : ENTER X2 CANCEL : MENU L VP-XD300 L VP-XD300 CAPTURING IMAGE ! x1 x4 FULL Setting of the image displayed during startup or muting Y ou can display your desired image as the startup screen (or splash scr een).
EN-33 MENU ACCESS FEA TURE opt. LOCK UNLOCK OK OK P ASSWORD CONFIRM 1 3 2 4 O K : ENTER CANCEL : MENU MENU ACCESS FEA TURE opt. LOCK UNLOCK OK OK P ASSWORD 1 3 2 4 O K : ENTER CANCEL : MENU Password f.
EN-34 Expand By pressing the EXP AND button on the remote control, you can magnify the image to view the details. • The EXP AND mode doesn’t function with some input signals. For details, see page 45. • The EXP AND mode doesn’t work with video or S-video signal.
EN-35 Mouse remote contr ol By connecting to personal computer through the USB port, you can operate your computer with the pr ojector remote control. Projector + computer with USB connector Operation • Y ou can use the mouse remote contr ol function with a computer supporting USB only .
EN-36 Supervising and contr olling by computer Y ou can supervise and control the projector’ s operation using a personal computer via a LAN network. • T o supervise and control the pr ojector , install the software “Projector -Control Device Installer *” contained in the attached CD-ROM.
EN-37 Indicators POWER Steady g r een or Steady r ed Steady r ed Steady g r een Steady r ed Steady r ed Blinking g r een/ r ed Blinking g r een/ r ed S TA TUS Blinking orange Blinking g r een Blinking.
EN-38 Replacing the lamp This projector is equipped with a lamp to pr oject images. This lamp is a consumable. It may bur n out or its brightness may decrease during use. In such cases, r eplace the lamp with a new one as soon as possible. Be sure to replace the lamp with a new lamp separately sold that is exclusive to this projector .
EN-39 T o replace the lamp: 1. Unplug the power cord. 2. Loosen the screw (a) using a Phillips screwdriver (+), and remove the lamp cover (b). 3. Loosen the screws (c) using a Phillips screwdriver (+). 4. Pull the handle. 5. Pull out the lamp box by the handle while holding the projector .
EN-40 Maintenance W ar ning: • Never use fl ammable air duster or other materials when cleaning the air -fi lter . Flammable substances may ignite causing fi r e or backdown when the lamp is illuminated. • Do not use fl ammable solvents (benzene, thinner , etc.
EN-41 POWER O f f Steady r ed Blinking red/green S TA TUS O f f O f f Blinking orange Blinking g r een Steady r ed O f f Steady or Blinking Solution • Connect the power co r d to the p r ojecto r .
EN-42 Images are not displayed corr ectly . Problem Projected images ar e shaking. Projected images ar e displaced. Projected images ar e distorted. Projected images ar e dark. Projected images ar e blurred. Afterimages persist on the screen. Red, blue, and green dots appear in projected images.
EN-43 Others Problem The exhaust vents emit warm air . No audio is output. The menu can’t be used. “TEMPERA TURE!!” is displayed. The mark appears. The remote contr ol doesn’t function easily or at all. The buttons on the control panel (except for the POWER button) don’t function.
EN-44 Specifi cations The specifi cations and outside appearance of the pr ojector are subject to change without prior notice. Replacement part (option/not included in the box) Spare lamp: VL T -XL6.
EN-45 TV60, 480i (525i) - 15.73 59.94 1400 x 1050 - *1 TV50, 576i (625i) - 15.63 50.00 1400 x 1050 - *1 1080i 60 (1125i 60) - 33.75 60.00 1400 x 788 - *1, *2 1080i 50 (1125i 50) - 28.13 50.00 1400 x 788 - *1, *2 480p (525p) - 31.47 59.94 1400 x 1050 - *1, *2 576p (625p) - 31.
EN-46 1 R(RED)/C R 2 G(GREEN)/Y 3 B(BLUE)/C B 4 GND 5 GND 6 GND 7 GND 8 GND 9 DDC 5V (*1) 10 GND 11 GND 12 DDC Data (*1) 13 HD/CS 14 VD 15 DDC Clock (*1) 1 - - 2 TXD IN 3 RXD OUT 4 - - 5 GND - 6 - - 7 - - 8 - - 9 - - 1 5 11 6 10 15 SERIAL (D-SUB 9-pin) Pin No.
1 Zusho Baba, Nagaokakyo-City , Kyoto Japan M I T SUBIS HI ELECTRIC CORPORA T I O N A Mitsubishi Pr ojector W arranty , Sales Support and Service Information North America MDEA (Mitsubishi Digital Electronics America, Inc.) Presentation Products Division 9351 Jeronimo Road Irvine CA 92618, USA For Warranty Registration, visit: http://www .
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