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Epson Projector Powerlite 51c Specifications

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    							EPSON Powerlite 51c/71c
    12/01 EPSON Powerlite 51c/71c - 1
    Projector Specifications 
    General
    Type of display Poly-silicon Thin Film Transistor (TFT)
    Size of liquid 
    crystal panels Diagonal: 0.7 inch (17.8 mm)
    Lens F=1.5, f=26.3 mm
    Focus adjustment Manual
    Zoom ratio Digital 0.8 to 1.0, lens at maximum size,
    100% to 83% (smallest)
    Resolution 800 × 600 pixels (PowerLite 51c)
    1024 × 768 pixels (PowerLite 71c)
    Color reproduction 24 bit, 16.7 million colors
    Brightness 1200 lumens (EPSON PowerLite 51c)
    (ANSI) 1000 lumens (EPSON PowerLite 71c)
    EPSON Control
    Code ESC/VP Level 5Noise Less than 42 dB
    Image size 
    (diagonal) 2.3 to 25 ft (0.7 to 7.6 m)
    Projection distance 3.3 to 36 ft (1 to 11 m), Wide mode
    3.9 to 43.2 ft (1.2 to 13.1 m),
    Tele mode
    Projection methods Front, rear, upside-down (ceiling
    mount)
    Internal speaker 
    system 1W monaural
    Optical aspect ratio 4:3 (horizontal:vertical), adjustable to
    16:9 for HDTV, NTSC, PAL, and
    SECAM images
    Keystone correction 
    angle
    ±15° 
    Supported video  NTSC, NTSC4.43, PAL, PAL-M,
    interface standards PAL-N, PAL60, SECAM, HDTV
    Projection Lamp
    Type UHE (Ultra High Efficiency)
    Power consumption 160 W
    Lamp life About 1500 hours 
    Part number V13H010L16
    Remote Control
    Range 32.8 feet (10 meters)
    Batteries Alkaline AA (2)
    Mouse Compatibility
    Supports PS/2, USB, and ADB
    Dimensions
    Height 3.14 inches (80 mm)
    Width 11.8 inches (300 mm)
    Depth 8.66 inches (220 mm)
    Weight 6.8 lb (3.1 kg)
    Electrical
    Rated frequency 50/60 Hz
    Power supply 100 to 120 VAC, 2.9 A
    200 to 240 VAC, 1.6 A
    Power consumption Operating: 240 W
    Sleep mode: 8.6 W
    lens cap
    lens focus ring
    infrared 
    receiver for 
    remote control
    control panelpower and 
    error lights
    AC inlet
    feet foot lever
    Computer/Component 
    Video portMouse/Com 
    portUSB mouse 
    port
    S-Video port Video port R and L 
    Audio ports 
    (for Video 
    source) In and Out 
    Audio ports 
    						
    							EPSON Powerlite 51c/71c
    2 - EPSON Powerlite 51c/71c 12/01 Environmental
    Temperature
    (non-condensing) Operating: 41 to 95° F (5 to 35° C), 
    Storage: 14 to 140° F (–10 to 60° C)
    Humidity
    (non-condensing) Operating: 20 to 80% RH
    Storage: 10 to 90% RH
    Safety
    United States FCC Part 15J Class B
    UL1950 Rev. 3
    Canada DOC SOR/88-475
    CSA C22.2 No. 950 Rev. 3
    CE Marking Directive 89/336/EEC
    EN 55022 Class B
    EN 50082-1
    Directive 73/23/EEC
    EN 60950Computer Connector Pin Assignments
    The Computer port is a female video RGB, 15-pin micro-D-
    style connector. Here are the pin assignments:
    Input pin Computer connector signals
    1 Red video
    2 Green video
    3 Blue video
    4GND
    5GND
    6 Red video GND
    7 Green video GND
    8 Blue video GND
    9 Reserve
    10 Synchronous GND
    11 GND
    12 SDA
    13 Horizontal sync/composite sync
    14 Vertical sync
    15 SCL 
    						
    							EPSON Powerlite 51c/71c
    12/01 EPSON Powerlite 51c/71c - 3 Compatible Video Formats
    The projector supports the video formats listed below. To project computer images, the computer’s video card must be set at a 
    refresh rate (vertical frequency) that’s compatible with the projector. The frequencies of some computers may not allow the image 
    to be displayed correctly; see your computer documentation for details.
    * Resize mode (all others native mode)
    ** Select 4:3 or 16:9 mode as the Aspect Ratio setting in the Video menu.Mode ResolutionFrequency
    EPSON 
    PowerLite 51cEPSON 
    PowerLite 71c H (KHz) V (Hz)Pixel 
    (MHz)
    PC (RGB) compatible modes
    VGACGA
    VGAEGA
    VGA60
    VGA72
    VGA75
    VGA85
    VGA Text
    VGA Text
    SVGA56
    SVGA60
    SVGA72
    SVGA75
    SVGA85
    XGA43i
    XGA60
    XGA70
    XGA75
    XGA85
    SXGA1-70
    SXGA1-75
    SXGA1-85
    SXGA2-60
    SXGA2-75
    SXGA2-85
    SXGA3-43i
    SXGA3-60
    SXGA3-75
    SXGA3-85
    VESA60
    VESA72
    VESA75
    VESA85
    MAC II 13
    MAC16
    MAC19-60
    MAC19-75
    MAC21640 x 400
    640 x 350
    640 x 480
    640 x 480
    640 x 480
    640 x 480
    720 x 350
    720 x 400
    800 x 600
    800 x 600
    800 x 600
    800 x 600
    800 x 600
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768
    1152 x 864
    1152 x 864
    1152 x 864
    1280 x 960
    1280 x 960
    1280 x 960
    1280 x 1024
    1280 x 1024
    1280 x 1024
    1280 x 1024
    640 x 480
    640 x 480
    640 x 480
    640 x 480
    640 x 480
    832 x 624
    1024 x 768
    1024 x 768
    1152 x 87031.46
    31.46
    31.469
    37.861
    37.5
    48.269
    31.469
    31.469
    35.156
    37.879
    48.077
    46.875
    53.674
    35.522
    48.363
    56.476
    60.023
    68.677
    63.851
    67.5
    77.094
    60
    75
    85.938
    46.433
    63.981
    79.976
    91.146
    31.469
    37.861
    37.5
    43.269
    35
    49.107
    48.193
    60.241
    68.68270
    70
    59.94
    72.809
    75
    85.008
    70.087
    70.087
    56.25
    60.317
    72.188
    75
    85.061
    86.958
    60.004
    70.069
    75.029
    84.997
    70.012
    75
    84.999
    60
    75
    85.002
    86.871
    60.02
    75.025
    85.024
    59.941
    72.809
    75
    85.008
    66.67
    75.087
    59.28
    74.93
    75.06225.175
    25.175
    25.175
    31.5
    31.5
    36
    28.322
    28.322
    36
    40
    50
    49.5
    56.25
    44.9
    65
    75
    78.75
    94.5
    94.5
    108
    121.5
    108
    126
    148.5
    78.75
    108
    135
    157.5
    25.175
    31.5
    31.5
    36
    30.24
    55
    64
    80
    100800 x 500 *
    800 x 437 *
    800 x 600 *
    800 x 600 *
    800 x 600 *
    800 x 600 *
    800 x 444 *
    800 x 388 *
    800 x 600
    800 x 600
    800 x 600
    800 x 600
    800 x 600
    800 x 600 *
    800 x 600 *
    800 x 600 *
    800 x 600 *
    800 x 600 *
    —
    —
    —
    —
    —
    —
    —
    —
    —
    —
    800 x 600
    800 x 600
    800 x 600
    800 x 600
    800 x 600 *
    800 x 600 *
    800 x 600 *
    800 x 600 *
    800 x 600 *1024 x 640 *
    1024 x 560 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 568 *
    1024 x 497 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    1024 x 768 *
    960 x 768*
    960 x 768*
    960 x 768*
    960 x 768*
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768
    1024 x 768 *
    1024 x 768 *
    1024 x 768
    1024 x 768
    1024 x 768 *
    PC (YUV) compatible modes
    HDTV525I (D1) **
    HDTV525P (D2) **
    HDTV750P (D4) **
    HDTV1125I (D3) **
    HDTV1125I (D3) **640 x 480
    640 x 480
    1280 x 720
    1920 x 1080
    1920 x 108015.734
    31.469
    45
    33.75
    31.2559.94
    59.94
    60
    60
    50.0413.5
    27
    74.25
    74.25
    74.25800 x 600 *
    800 x 600 *
    800 x 450 *
    800 x 450 *
    800 x 450 *1024 x 768 *
    1024 x 768 *
    1024 x 576 *
    1024 x 576 *
    1024 x 576 *
    Video compatible modes
    NTSC **
    PAL **
    SECAM **640 x 480
    720 x 540
    720 x 54015.734
    15.625
    15.62560
    50
    50—
    —
    —800 x 600 *
    800 x 600 *
    800 x 600 *1024 x 768 *
    1024 x 768 *
    1024 x 768 * 
    						
    							EPSON Powerlite 51c/71c
    4 - EPSON Powerlite 51c/71c 12/01
    Positioning the Projector
    The location in which you choose to set up your projector 
    depends on the size of the room and your presentation style.
    ❏Place the projector on a sturdy, level surface, within this 
    distance from the screen:
    3.3 to 36 feet in Wide mode
    3.9 to 43.2 feet in Tele mode
    (see page 7 for more information on these modes)
    ❏Make sure there is plenty of space for ventilation around and 
    under the projector.
    ❏Make sure the projector is within 6 feet of a grounded 
    electrical outlet or extension cord, and within 5 feet of your 
    computer and/or video source.
    ❏Place the projector directly in front of the center of the 
    screen, facing it toward the screen squarely. Otherwise, your 
    image will not be square.
    Note
    :
    It’s best to position the screen directly in front of the room. If it’s 
    placed diagonally in a corner, it’s much more difficult to aim the 
    projector at the screen correctly and get a square image. 
    Most presenters find it convenient to place the screen in the 
    front of the room with the projector back near the front of the 
    audience, leaving ample room between the screen and 
    projector to get a good-sized image. Then the presenter can 
    stand in front of the room, facing the audience and control the 
    equipment from there.
    Use the figure below as a guideline to help you determine how 
    far from the screen to place the projector. Your image size may 
    not exactly match these sizes; its actual size depends on 
    whether you have adjusted the image size setting (using 
    keystone correction or the 
    Wide/Tele button).
    When projecting from a table, the ideal arrangement is to set 
    the projector flat on its surface with the base of the lens at 
    about the level of the bottom of the screen. This delivers the 
    best-looking picture. If you have to raise the projector by adjusting its feet 
    (described on page 7), you’ll need to square-up the sides of 
    image by pressing the 
    Keystone button (also on page 7).
    If you’ll be projecting from overhead, you’ll get the best-
    looking picture by mounting the projector upside-down, 
    parallel to the ceiling, with the bottom of its lens level with the 
    top of the screen. (You’ll also need to select ceiling projection 
    mode in the projector’s Advanced menu.)
    Displaying an Image
    Once you’ve connected the projector to your computer or 
    other equipment, you’re ready to turn on the projector, adjust 
    the image, and give your presentation. 
    Turning On Your Equipment
    Make sure your projector and other equipment are set up and 
    connected correctly. Then plug in and turn on your 
    equipment, as described below. 
    Note:
    If you have more than one source connected, you may have to 
    switch to the one you want to use, as described on page 8.
    Follow these steps to plug in and turn on your equipment:
    1. If you’re projecting video, first plug in and turn on your 
    VCR, DVD player, or other video source. (If you’re 
    projecting from a computer, go to step 2.)
    2. To turn on the projector, first connect one end of the power 
    cord to the projector’s power inlet on its left side. 
    3. Connect the other end to a grounded electrical outlet. 
    The 
    Power light on the projector turns orange, indicating 
    that the projector is receiving power and is in sleep mode, 
    but is not yet turned on.
    4 ft. 8 ft. 40 ft. distance from 
    the screen 
    						
    							EPSON Powerlite 51c/71c
    12/01 EPSON Powerlite 51c/71c - 5 4. Remove the lens cap. 
    5. Press the red 
    Power button on top of the projector. (You 
    can also turn on the projector using the remote control, but 
    you must turn on the remote control first.)
    The 
    Power light flashes green and then stays on. You see 
    a blue screen with the message 
    No Signal displayed.
    Wa r n i n g
    Never look into the lens when the lamp is on. This can damage 
    your eyes, and is especially dangerous for children.
    6. If you’re projecting images from a computer, turn on your 
    computer. In a few moments, you should see your computer 
    display projected. (If a projected image fails to appear, see 
    the next section for help.)
    Note:
    Windows only: If you see a New Hardware Found message saying 
    that Windows has found a plug-and-play monitor, click Cancel.
    7. If you’re projecting video, press the 
    Play button. (If a 
    projected image fails to appear, see the next section for help.)
    Once you see your image, turn to page 6 for instructions on 
    focusing and making other image adjustments. 
    When you’re done with your presentation, shut down the 
    projector as described on page 9. Shutting down the projector 
    correctly prevents premature lamp failure and possible damage 
    to the projector from overheating. 
    What To Do If You See a Blank Screen
    If you see a blank screen or a blue screen with the message 
    No 
    Signal
     after turning on your computer or video source, do one 
    of the following:
    ❏Make sure the cables are connected correctly, as described in 
    Chapter 1 of the 
    User’s 
    Guide.
    ❏Make sure the 
    Power light is green and not flashing and 
    the lens cap is off. 
    ❏If you’ve connected more than one input source, you may 
    need to press the 
    Source button on top of the projector or 
    the 
    Computer, Video, or S-Video button on the remote 
    control to select the source you want to use. (Allow a few 
    seconds for the projector to sync up.)❏Try restarting your computer.
    ❏If you still don’t see an image and you’re using a PowerBook 
    or a PC laptop, see the next sections.
    For a PowerBook® or iBook® Running OS 9.x or Earlier
    You may need to set up your system to display on the 
    projector screen as well as the LCD screen. Follow these steps:
    1. From the Apple menu, select 
    Control Panels, then click 
    Monitors and Sound.
    2. Click the 
    Arrange icon.
    3. Drag one monitor icon on top of the other. 
    If this option isn’t available, you may need to select one of 
    the Simulscan resolution settings. Click the 
    Monitor icon, 
    then select a 
    Simulscan resolution as shown. (Allow a few 
    seconds for the projector to sync up after making the 
    selection.)
    For a PowerBook or iBook Running OS X
    Follow these steps to display on both the projector and LCD 
    screen:
    1. Select 
    System Preferences from the Apple menu.
    2. Click 
    Displays.
    Source button
    Computer, 
    Video, and 
    S-Video 
    buttons
    Click here
    Drag one monitor 
    icon on top of 
    the other
    Click here
    Select a 
    Simulscan 
    resolution 
    						
    							EPSON Powerlite 51c/71c
    6 - EPSON Powerlite 51c/71c 12/01 3. Click 
    Detect Displays to display part of your desktop on the 
    projector screen.
    4. To display the entire desktop on both your projector screen 
    and LCD screen, click the 
    Arrange tab. (If you don’t see this 
    tab, check to see if there is a window hidden by another 
    window on your screen.)
    5. Click 
    Mirror Displays in the lower corner of the screen. One 
    of the monitor icons automatically moves on top of the 
    other.
    For a PC Laptop 
    ❏Press the function key that lets you display on an external 
    monitor. It’s often labelled with an icon such as   but 
    it may be labelled 
    CRT/LCD. You may have to hold down 
    the 
    Fn key while pressing it. Check your laptop’s manual or 
    online help for details. 
    On most systems, the   or 
    CRT/LCD key lets you 
    toggle between the LCD screen and the projector, or display 
    on both at the same time. Allow a few seconds for the 
    projector to sync up after pressing it. 
    ❏Depending on your computer’s video card, you might need 
    to use the Display utility in the Control Panel to make sure 
    that both the LCD screen and external monitor port are 
    enabled. See your computer’s documentation or online help 
    for details.
    ❏Check your computer’s video resolution and scan frequency 
    to see if they are supported, as listed on page 3. You may 
    need to adjust your computer’s resolution and scan 
    frequency to match one of the modes listed.
    Focusing Your Image
    Rotate the focus ring to sharpen the image.
    Note:
    If the image from your computer is still out of focus, you can 
    increase the clarity by pressing the Auto button on the remote 
    control. This optimizes the projector’s tracking, sync, and position 
    settings. (You can also adjust these settings using the projector 
    menus.)
    Click here
    Click here
    focus 
    ring 
    						
    							EPSON Powerlite 51c/71c
    12/01 EPSON Powerlite 51c/71c - 7 Adjusting the Image Size
    You can adjust your image size using the 
    Wide/Tele button on 
    the projector or zoom into a portion of the image using the 
    E-Zoom button on the remote control.
    Using the Wide/Tele Button
    To enlarge or reduce your image size in small increments, use 
    the 
    Wide/Tele button on the projector. Press the T side of the 
    button to reduce the image size, or the 
    W side of the Wide/
    Tele
     button to enlarge the image to full size.
    Note:
    You can always move the projector closer to or farther from the 
    screen to adjust the image size.
    Using the E-Zoom Button
    If you want to zoom in on a portion of the image, use the 
    E-Zoom and Enter buttons on the remote control. Press the 
    +side of the E-Zoom button to zoom into your image in small 
    increments. Press the 
    – side to zoom out.
    To position the zoomed image on the screen, press the top, 
    bottom, left, or right side of the 
    Enter button on the remote 
    control. (Press 
    Esc to return your image to its original size and 
    turn off E-Zoom.)Adjusting the Image Height
    If your image is too low, you can raise it by extending the 
    projector’s feet.
    1. Stand behind the projector. Pull up the blue foot release 
    levers and lift the front of the projector. This unlocks the 
    feet.
    2. Raise or lower the front of the projector as necessary. 
    Caution:
    To avoid damaging the lens, do not lift the projector by the lens.
    3. Once the image is positioned where you want it, release the 
    levers to lock the feet into position.
    4. To fine-tune the height, 
    rotate the feet clockwise to 
    raise the projector and 
    counterclockwise to lower it.
    Adjusting the Image 
    Shape
    If the projected image isn’t square or has a “keystone” shape, 
    do one or more of the following:
    ❏If your image looks like   or  , you’ve placed the 
    projector off to one side of the screen, at an angle. Move it 
    directly in front of the center of the screen, facing the screen 
    squarely.
    ❏If your image looks like   or  , press the 
    + or – side of 
    the 
    Keystone button to correct the shape of the image. After 
    correction, your image will be slightly smaller.
    Wide/Tele button
    W
    WT
    T Enlarge
    Reduce
    Zoom in
    Zoom out+
    –
    E-Zoom button Enter buttontop
    right left
    bottom 
    						
    							EPSON Powerlite 51c/71c
    8 - EPSON Powerlite 51c/71c 12/01 The 
    Keystone button corrects up to a 15° tilt. You can also 
    perform electronic keystone correction using the projector’s 
    Setting menu.
    Note:
    If the image is noticeably uneven after keystone correction, reduce 
    the Sharpness setting using the Video menu.
    Adjusting the Image Quality
    You may need to adjust the projector’s 
    Tracking and Sync 
    settings on the Video menu if your computer image has any of 
    these quality problems:
    ❏Flashing or blurry image
    ❏Vertical or horizontal stripes
    ❏Only a portion of the image is displayed
    Note:
    You can also increase computer image clarity by pressing the Auto 
    button on the remote control to optimize the tracking, sync, and 
    position settings. Turn off E-Zoom and A/VMute before using the 
    Auto button.
    Switching Between Picture Sources
    You can connect the projector to one computer source and 
    one video source at the same time. Then you use the buttons 
    on the projector or remote control to switch between them.
    ❏Press the 
    Source button on the projector to switch between 
    computer, S-video, and composite video sources. 
    ❏Press the 
    Computer, Video, or S-Video button on the 
    remote control to select the source you want to use. 
    After you select a source, the screen goes dark for a moment 
    before the image appears.
    Projector Status Lights
    If your projector isn’t working correctly, first turn it off, wait 
    for it to cool, and unplug it. Then plug the power cord back in 
    and turn on the projector. If this doesn’t solve the problem, 
    check the lights on top of the projector. They alert you to 
    problems with projector operations.
    Keystone button
    Light Status Description and action
    off The projector is unplugged. Check that the 
    power cable is connected securely at both 
    ends, then press the Power button to turn 
    on the projector. 
    orange The projector is in sleep mode. You can 
    unplug it to disconnect the power or press the 
    Power button to turn on the projector lamp.
    flashing 
    greenThe projector is warming up. Wait for the 
    image to appear.
    green The projector is operating normally.
    flashing 
    orangeThe projector lamp is off and the projector is 
    cooling down. Wait until the light stops 
    flashing and then press the Power button 
    to turn on the projector. (You can’t turn the 
    projector on or unplug it when the light is 
    flashing orange.)
    flashing red 
    at 1-second 
    intervalsThe lamp cover is not closed securely or the 
    lamp has burned out. Secure the lamp cover 
    or replace the lamp; see page 12 for 
    instructions.
    red The projector is too hot. Turn it off and let it 
    cool before using it. Also make sure nothing is 
    blocking the projector’s air intake vent. If it 
    continues to overheat, clean the air intake 
    vent; see page 11 for instructions.
    flashing 
    orangeThe projector lamp has turned off 
    automatically because the projector has 
    overheated. Let it cool for a few minutes, then 
    turn it back on. Also make sure nothing is 
    blocking the projector’s air intake vent. If it 
    continues to overheat, clean the air intake 
    vent; see page 11 for instructions.
    flashing red 
    at 2-second 
    intervalsThere is an internal problem with the projector. 
    Unplug it from the electrical outlet and contact 
    EPSON for help.
    Power light
    Error light 
    						
    							EPSON Powerlite 51c/71c
    12/01 EPSON Powerlite 51c/71c - 9
    Shutting Down the Projector
    When you’ve finished using the projector, follow the 
    recommended procedure to shut it down. This extends the life 
    of the lamp and protects the projector from possible 
    overheating.
    Note:
    If sleep mode is enabled and the projector has not received any 
    input signals for 30 minutes, it automatically turns off the 
    projector lamp and enters “sleep mode.” This conserves electricity, 
    cools the projector, and extends the life of the lamp. In sleep mode, 
    the  Power light is orange. If you are done using the projector, 
    unplug the power cord. If you want to start projecting again, press 
    the  Power button on the projector or the remote control. 
    1. If you’ve connected a computer or laptop and it’s displaying 
    only through the projector, shut down the computer first; 
    otherwise you won’t be able to see your computer’s display if 
    you try turning it off after the projector. 
    2. Press the red 
    Power button on top of the projector or on 
    the remote control. You see a confirmation message. (If you 
    don’t want to turn it off, press any other button.)
    3. Press the 
    Power button again. The Power light flashes 
    orange for a couple of minutes as the projector cools down. 
    When the projector has cooled, the orange 
    Power light 
    stays on and the fan shuts off.
    If you want to turn the projector on again, wait until the 
    orange 
    Power light stops flashing. Then press the 
    Power button.
    Caution:
    To avoid damaging the projector or lamp, never unplug the power 
    cord when the  Power light is green or flashing orange.
    4. Replace the lens cap, retract the projector feet, and unplug 
    the power cord. Also turn off the remote control, if you were 
    using it.
    5. If you’re using a VCR or other video source, turn it off after 
    you turn off the projector.
    6. Disconnect all equipment, and store the projector in a 
    protective case.
    Using the Remote Control
    The remote control lets you access projector features from 
    anywhere in the room—up to 32 feet away. You must also be 
    within a 30° horizontal and a 15° vertical angle from the 
    infrared receiver at the front of the projector. You can use it to 
    turn the projector on and off, zoom the image, display the 
    projector menus, and other uses.If you connected a mouse cable to the projector, you can also 
    use the remote control as a wireless mouse to run your 
    presentation. 
    Note:
    You can aim the remote control at your projection screen and 
    reflect the signal back into the sensor on the front of the projector, 
    but this shortens the operating distance of the remote control.
    Installing the Remote Control Batteries
    The remote control operates the projector and lets you access 
    its setup menus. You can also use it as a wireless mouse. 
    Follow these steps to install the 
    batteries:
    1. Press the tab to release the 
    battery cover and lift it up to 
    remove it.
    2. Insert the two AA batteries 
    included with the projector 
    as shown.
    3. Replace the battery cover.
    Caution:
    When replacing batteries, take the following precautions:
    ❑Replace batteries as soon as they run out. 
    ❑Do not mix old and new batteries. 
    ❑If the batteries leak, wipe away battery fluid with a soft 
    cloth. If fluid gets on your hands, wash them immediately.
    ❑Remove batteries if you will not be using the remote for a 
    long period of time. 
    						
    							EPSON Powerlite 51c/71c
    10 - EPSON Powerlite 51c/71c 12/01 Operating the Projector with the Remote 
    Control
    1. Push up the 
    R/C switch on the side of the remote control to 
    turn it on.
    2. Point the remote at the front of the projector or at the 
    screen. 
    3. Press the button for the function you want to use. The light 
    next to the 
    Power button on the remote control flashes 
    briefly. (If it doesn’t flash, you may have inserted the 
    batteries incorrectly or need to change the batteries; see page 
    9 for instructions.)
    The projector may not respond to remote control commands 
    in these conditions:
    ❏You are too far away or not within a 30° horizontal or 15° 
    vertical angle of the projector’s sensor
    ❏The 
    R/C switch on the right side of the remote control is in 
    the 
    OFF position (the remote control is turned off)
    ❏Batteries are weak
    ❏Bright ambient light, fluorescent light, or direct sunlight is 
    shining into the remote control sensor
    ❏Equipment emitting infrared energy (such as a radiant room 
    heater) is nearby and interfering with the sensorUsing the Remote Control as a Wireless 
    Mouse 
    Using the remote control as a wireless mouse gives you more 
    flexibility; you don’t need to stay near your computer or the 
    projector to run your presentation.
    To use the remote control as a mouse, you must first connect a 
    mouse cable between your computer and the projector. 
    Note:
    When you connect the mouse cable, your computer mouse is 
    disabled and you can’t use another external mouse with your 
    desktop computer. However, you may still be able to use the built-
    in mouse pointer on a laptop.
    Follow these instructions to use your remote control as a 
    wireless mouse:
    ❏Aim the remote at the screen or at the receiver on the front 
    of the projector. To move the mouse pointer on the screen, 
    press the edges of the 
    Enter button with your thumb, as you 
    would to move a trackball.
    ❏To click, press down on the center of the 
    Enter button. To 
    double-click, press down twice on the 
    Enter button.
    ❏To click and drag, press down on the 
    Enter button and then 
    tilt it in the direction you want to drag.
    ❏To right-click, press the 
    Esc button.
    ❏To change slides in a PowerPoint
    ® presentation (in Slide 
    Show mode), press down on the 
    Enter button.
    Note:
    If you swapped the mouse button functions on your computer 
    mouse, the Enter and Esc buttons on the remote control also swap 
    functions.
    R/C 
    switch power 
    indicator 
    light
    Press center 
    to left-click
    Press 
    here to 
    right-click Press edges 
    to move the 
    pointer 
    						
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