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LCD PROJECTOR
MODEL
HL2750U
User Manual
HL2750
This User Manual is important to you.
Please read it before using your projector.
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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 PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning fl ash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of suffi cient magnitude to constitute a risk of electric shock. The exclamation point within an eq
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Contents Important safeguards ........................................................................................................................4 Preparing your projector ....................................................................................................................6 Using the remote control ...................................................................................................................9 Setting up your projector .....................................
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Important safeguards Please read all these instructions regarding your 10. Power sources projector and retain them for future reference. Follow This projector should be operated only from the all warnings and instructions marked on the projector. type of power source indicated on the marking label. If you are not sure of the type of power, 1. Read instructions please consult your appliance dealer or local All the safety and operating instructions should be power company. read before the ap
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Important safeguards (continued) desk which is easily affected by heat. WARNING: Unplug immediately if there is something Do not look into the air outlet grille when wrong with your projector. projector is operating. Do not operate if smoke, strange noise or odor comes Heat, dust, etc. may blow out of it and hurt your eyes. out of your projector. It might cause fi re or electric Do not block the air inlet and outlet grilles. shock. In this case, unplug immediately and contact If they are bloc
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Preparing your projector Checking accessories The following accessories are provided with this projector. Check to be sure that all of the accessories are packed in the package. Cables Mini D-SUB D-SUB 15-pin USB 4-pin 9-pin (type B) Mini D-SUB D-SUB USB 4-pin 15-pin (type A) 9-pin RS-232C cable Audio/Video cable USB cable RGB cable for PC (246C381-10) (246C509-10) (246C521-10) (246C548-10) • Used for projector control by computer. Power supply parts Remote control parts
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Preparating your projector (continued) Overview 1 Speaker 2 Air inlet grille/Filter cover 1 3 Control area 4 ZOOM ring 5 FOCUS ring 2 3 6 Remote control sensor (Front) 4 7 Air outlet grille 5 8 Lamp cover 9 Air outlet grille 6 10 Remote control sensor (Rear) 11 Kensington Security Lock Standard connector 12 Lock bar (SECURITY ANCHOR) • Attach a chain, etc. to this lock bar to anchor the projector. 13 Terminal board 7 Caution: 8 Do not replace the lamp immediately after using the projector 9 be
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Preparating your projector (continued) Bottom side 1 Adjustment foot (for vertical position) 1 2 Adjustment foot (for horizontal position) 2 Remote control 1 Laser aperture 2 Transmission window 3 Indicator 4 POWER button 5 VIDEO button 1 6 DVI-D (HDCP) button 7 HOME button 8 END button 2 9 Mouse pointer 10 MENU button 3 11 + , - (VOLUME) buttons 12 WALL SCREEN button 4 13 CE (Color Enhancer) button COMPUTER 14 MUTE button (Audio/Video) 27 1 2 5 DVI-D(HDCP) VIDEO S-VIDEO 15 EXPAND button 26 6 H
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Using the remote control Operational range of the remote control • Keep the remote control photo-sensor out of direct sunlight or fl uorescent lamp light. • Keep the remote control photo-sensor at least 2 m (6 feet) away from fl uorescent lamps. Otherwise, the Front of projector Rear of projector remote control may malfunction. • If there is an inverter-operated fl uorescent lamp near the remote control, the remote control opera- tion may become unstable. • When you use the remote control too c
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Setting up your projector Setting up the screen Install the screen perpendicularly to the projector. If the screen can not be installed in such a way, adjust the projection angle of the projector. (See below.) • Install the screen and projector so that the projector’s lens is placed at the same height and horizontal position of the screen center. • Do not install the screen where it is exposed to direct sunlight or lighting. Light directly refl ecting on the screen makes the projected images
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Setting up your projector (continued) Front projection, ceiling mounting Caution: For ceiling mounting, you need the ceiling mount kit • Placing the projector directly on a carpet impairs designed for this projector. Ask a specialist for installa- ventilation by the fans, causing damage or failure. tion. For details, consult your dealer. Put a hard board under the projector to facilitate • The warranty on this projector does not cover any ventilation. damage caused by use of any non-recommen
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Setting up your projector (continued) Screen size and projection distance Refer to the following table to determine the screen size. Screen size Center of the lens B Projection distance (L) (Width of the projected image) When the aspect ratio of the screen is 4:3 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 40 102 24 61 32 81 46 1.2 56 1.4 2.4 6 60 152 36 91 48 122
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Viewing computer images A. Connecting the projector to a computer Preparation: • Make sure that the power of the projector 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. Computer For analog connection: COMPUTER/COMPONENT 1. Connect one end of the supplied RGB cable to the VIDEO IN-1/IN-2 COMPUTER/COMPONENT VIDEO IN-1/IN-2 terminal of the projector. 1 2. Connect the other end of the
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Viewing computer images (continued) About DDC The COMPUTER/COMPONENT VIDEO IN-1 terminal of this projector complies with the DDC1/2B standard and the COMPUTER/COMPONENT VIDEO DVI-D (HDCP) terminal complies with the DDC2B standard. When a computer supporting this standard is connected to this terminal, the computer will automatically load the information from this projector and prepare for output of appropriate images. • After connecting a computer supporting this standard to this terminal, p
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Viewing computer images (continued) C. Projecting images Preparation: • Remove the lens cap. • Turn on the power of the connected computer. COMPUTER 1, 2 buttons POWER button FOCUS ring DVI-D(HDCP) button ZOOM ring COMPUTER button POWER button 1. Confi rm the POWER indicator lights up red. • If the projector was turned off before the lamp was cooled down suffi ciently last time, the fan may start rotating and the POWER button may not work after the power cord is plugged. (The STATUS indicator b
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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. •
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Viewing video images A. Connecting the projector to video equipment Preparation: • Make sure that the power of the projector and that of the video equipment are turned off. Connecting to a video player, etc. Video player, or the like 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/ To audio video cable to the audio input terminals (L/MONO, R) of the output 3 projector. terminal
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Viewing video images (continued) Projector + DVD player or HDTV decoder Some DVD players have an output connector for 3-line fi tting (Y, CB, CR). When connecting such DVD player with this projector, use the COMPUTER/COMPONENT VIDEO IN-1/IN-2 terminal. Mini D-SUB 15 pin-BNC Conversion cable (option) HD/CS VD G B R COMPUTER/COMPONENT VIDEO No connection IN-1/IN-2 BNC-RCA connector (option) Audio cable (option) Y CB(PB) CR(PR) AUDIO IN-1/IN-2 DVD player or HDTV decoder To audio output
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Viewing video images (continued) C. Projecting images Preparation: • Remove the lens cap. • Turn on the power of the connected video equipment. POWER button COMPUTER1, 2 buttons FOCUS ring DVI-D (HDCP) button S-VIDEO button VIDEO button ZOOM ring COMPUTER button POWER button VIDEO button 1. Confi rm the POWER indicator lights up red. • If the projector was turned off before the lamp was cooled down suffi ciently last time, the fan may start rotating and the POWER button may not work after the p
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Viewing video images (continued) POWER button POWER button 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 rotat
