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BenQ Mh680 Users Manual

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    							Operation 31 4. Press  to highlight Timer Position and set the timer position by pressing  /
    .
    5. Press   to highlight Timer Counting Direction and select your desired counting 
    direction by pressing  / .
    6. Press  to highlight Sound Reminder and decide if you want to activate sound 
    reminder by pressing  / . If you select On, a double beep sound will be heard at 
    the last 30 seconds of counting down/up, and a triple beep sound will be produced 
    when the timer is up.
    7. To activate the presentation timer, press   and press  /  to highlight On and 
    press MODE/ENTER.
    8. A confirmation message appears. Highlight Ye s and press MODE/ENTER on the 
    projector or remote control to confirm. You will see the message “Timer is On” 
    displaying on the screen. The timer starts counting when the timer is on.
    To cancel the timer, perform the following steps:
    1. Go to the SYSTEM SETUP: Basic > Presentation Timer menu and highlight 
    Off. Press MODE/ENTER. A confirmation message appears.
    2. Highlight Ye s and press MODE/ENTER to confirm. You will see the message 
    “Timer is Off” displaying on the screen. 
    Remote paging operations
    Connect the projector to your PC or notebook with a USB cable prior to using the paging 
    function. See Connection on page 16 for details.
    You can operate your display software program (on a connected PC) which responds to 
    page up/down commands (like Microsoft PowerPoint) by pressing Page Up/Page Down 
    on the remote control.
    If remote paging function doesnt work, check if the USB connection is correctly made and 
    the mouse driver on your computer is updated to the latest version.
    The remote paging function cannot work with Microsoft® Windows®98 operating system. Windows®XP or 
    higher operating systems are recommended.
    Freezing the image
    Press Freeze on the remote control to freeze the image. The word “FREEZE” will 
    display in the upper left corner of the screen. To release the function, press any key on the 
    projector or remote control.
    If your remote control has the following keys, please note that they cannot be pressed to release the function: 
    LASER, #1, #4, Page Up/Page Down. 
    Even if an image is frozen on the screen, the pictures are running on the video or other 
    device. If the connected devices have active audio output, you will still hear the audio even 
    though the image is frozen onscreen.
    Top-Left Bottom-Left Top-Right Bottom-Right
    SelectionDescription
    Count Up Increases from 0 to the preset time.
    Count Down Decreases from the preset time to 0.
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    							Operation 32
    Hiding the image
    In order to draw the audiences full attention to the presenter, you can use ECO BLANK 
    on the projector or remote control to hide the screen image. When this function is 
    activated with an audio input connected, the audio can still be heard. 
    You can set the blank time in the 
    SYSTEM SETUP: Basic > Operation Settings > 
    Blank Timer menu to let the projector return the image automatically after a period of 
    time when there is no action taken on the blank screen.
    If the preset time spans are not suitable for your presentation, select Disable.
    No matter 
    Blank Timer is activated or not, you can press most of the keys on the 
    projector or remote control to restore the picture.
    Do not block the projection lens from projecting as this could cause the blocking object to become heated and 
    deformed or even cause a fire.
    Locking control keys
    With the control keys on the projector locked, you can prevent your projector settings 
    from being changed accidentally (by children, for example). When the Panel Key Lock is 
    on, no control keys on the projector will operate except  POWER.
    1. Go to the SYSTEM SETUP: Basic > Panel Key Lock menu, and select On by 
    pressing  /  on the projector or remote control. A confirmation message 
    appears. 
    2. Highlight Ye s and press MODE/ENTER to confirm.
    To release panel key lock, use the remote control to enter the 
    SYSTEM SETUP: 
    Basic > 
    Panel Key Lock menu and press  /  to select Off.
    •  Keys on the remote control are still active when panel key lock is enabled.
    •  If you turn off the projector without disabling panel key lock, the projector will still be in locked status the 
    next time it is turned on.
    Operating in a high altitude environment
    We recommend you use the High Altitude Mode when your environment is between 
    1500 m –3000 m above sea level, and ambient temperature is between 0°C–35°C.
    Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and ambient temperature is 
    between 0°C and 35°C. The projector will be over cooled, if you turn the mode on under such a condition.
    To activate the High Altitude Mode:
    1. Press MENU/EXIT and then press  /  until the SYSTEM SETUP: Advanced 
    menu is highlighted.
    2. Press  to highlight High Altitude Mode and press  /  select On. A 
    confirmation message appears.
    3. Highlight Ye s and press MODE/ENTER.
    Operation under High Altitude Mode may cause a higher decibel operating noise level 
    because of increased fan speed necessary to improve overall system cooling and 
    performance.
    If you use this projector under other extreme conditions excluding the above, it may 
    display auto shut-down symptoms, which is designed to protect your projector from over-
    heating. In cases like this, you should switch to High Altitude mode to solve these 
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    							Operation 33 symptoms. However, this is not to state that this projector can operate under any and all 
    harsh or extreme conditions.
    Adjusting the sound
    The sound adjustments made as below will have an effect on the projector speaker(s). Be 
    sure you have made a correct connection to the projector audio input. See Connection 
    on page 16 for how the audio input is connected.
    Muting the sound
    To temporarily turn off the sound:
    1. Press MENU/EXIT and then press  /  until the SYSTEM SETUP: Advanced 
    menu is highlighted.
    2. Press  to highlight Audio Settings and press MODE/ENTER. The Audio 
    Settings page appears.
    3. Highlight Mute and press  /  to select On.
    If available, you can also press Mute on the remote control to toggle projector audio between on and off.
    Adjusting the sound level
    To adjust the sound level, press Volume +/- or /, or:
    1. Repeat steps 1-2 above.
    2. Press  to highlight Volume and press  /  to select a desired sound level.
    Turning off the Power On/Off Ring Tone
    To turn off the ring tone:
    1. Repeat steps 1-2 above.
    2. Press  to highlight Power On/Off Ring Tone and press  /  to select Off.
    The only way to change Power On/Off Ring Tone is setting On or Off here. Setting the sound mute or 
    changing the sound level will not affect the Power On/Off Ring Tone.
    Using the test pattern
    The projector is able to display the grid test 
    pattern. It helps you adjust the image size and 
    focus and check that the projected image is free 
    from distortion.
    To display the test pattern, open the OSD menu 
    and go to the SYSTEM SETUP: Advanced > 
    Test Pattern and press  /  to select On.
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    							Operation 34
    Using the teaching templates
    The projector provides several preset patterns for various teaching purposes. To activate 
    the pattern:
    1. Open the OSD menu and go to the DISPLAY > Teaching Template and press 
    /   to select Blackboard or Whiteboard.
    2. Press /  to choose the pattern you need. 
    3. Press MODE/ENTER to activate the pattern.
    Teaching 
    TemplateWhiteboardBlackboard
    Letter 
    Formation
    Worksheet
    Coordinate 
    Chart
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    							Operation 35
    Presenting from a USB Reader
    This feature displays a slide show of images stored on a USB flash drive connected to the 
    projector. It can eliminate the need for a computer source.
    Supported image formats:
    •  A square box will display on the filename for unidentified characters.
    •  Thai filename is not supported.
    •  Files in GIF, TIFF, PNG and BMP formats can be displayed for the file size smaller than WXGA (1280 x 
    800) only.
    •  If a folder consists of more than 200 photos, only the first 200 photos can be displayed.
    To view your pictures as a slide show, follow these steps:
    1. Plug the USB flash drive into the USB TYPE-A jack of the projector.
    2. The projector automatically displays the thumbnails. Or you can manually select 
    USB Reader from the source selection bar.
    When viewing thumbnails
    During a slide show
    Setting page
    You can adjust the file order and Slideshow settings. When you are done, press OK to save 
    the settings or press Cancel to ignore the change.• JPEG(JPG) • PNG • TIFF
    • BMP • GIF
    ToPress
    open the folder Enter
    scroll through thumbnails four arrow keys
    return to a previous page Auto
    exit USB Reader Exit
    change to a different page
    / 
    go back to the first page of that folder Back
    start a slide show Slideshow when an image is highlighted.
    adjust USB Reader settings Setting
    ToPress
    go to the previous or next image
    / 
    rotate the image by 90 degree clockwise/
    counterclockwise/
    (Rotation is temporary; the image returns to 
    its original orientation when you go back to 
    thumbnails)
    return to a previous page Auto
    start/stop a slide show Enter
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    							Operation 36
    Shutting down the projector
    1. Press  POWER and a confirmation message will display prompting you. 
    If you dont respond in a few seconds, the message will disappear.
    2. Press  POWER a second time. The POWER indicator light flashes orange, 
    the projection lamp shuts down, and the fans will continue to run for approximately 
    90 seconds to cool down the projector.
    To protect the lamp, the projector will not respond to any commands during the cooling process.
    To shorten the cooling time, you can also activate the Quick cooling function. See Quick Cooling on page 44 
    for details.
    3. Once the cooling process finishes, a Power Off 
    Ring Tone will be heard. The POWER indicator 
    light is a steady orange and fans stop. Disconnect 
    the power cord from the power outlet.
    •  To turn off the power ring tone, see Turning off the Power On/
    Off Ring Tone on page 33 for details.
    •  If the projector is not properly shut down, to protect the lamp, 
    when you attempt to re-start the projector, the fans will run for a 
    few minutes to cool down. Press   POWER again to start the 
    projector after the fans stop and the POWER indicator light 
    turns orange.
    •  Lamp life results will vary depending on environmental conditions 
    and usage.
    Direct power off
    The AC power cord can be pulled out right after the projector is turned off. To protect 
    the lamp, wait about 10 minutes before re-starting the projector. (When you attempt to 
    re-start the projector, the fans may run for a few minutes to cool down. In such cases, 
    press  POWER again to start the projector after the fans stop and the POWER indicator 
    light turns orange.
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    							Operation 37
    Menu operation
    Menu system
    Please note that the on-screen display (OSD) menus vary according to the signal type 
    selected and the projector model you are using.
    Main menu Sub-menu Options
    1. 
    DISPLAY
    Wall ColorOff/Light Yellow/Pink/Light Green/Blue/
    Blackboard
    Aspect RatioAuto/Real/4:3/16:9/16:10
    Keystone
    Position
    Phase
    H. Size
    Digital Zoom
    3D3D ModeAuto/Top Bottom/Frame Sequential/
    Frame Packing/Side by Side/Off
    3D Sync InvertDisable/Invert
    Apply 3D 
    Settings3D Settings 1/3D Settings 2/3D Settings 
    3/Off
    Save 3D Settings3D Settings 1/3D Settings 2/3D Settings 
    3
    Teaching 
    TemplateBlackboardOff/Letter Formation/Worksheet/
    Coordinate Chart
    WhiteboardOff/Letter Formation/Worksheet/
    Coordinate Chart
    2. 
    PICTURE
    Picture ModeDynamic/Presentation/sRGB/Cinema/(3D)/User 1/User 2
    Reference ModeDynamic/Presentation/sRGB/Cinema/(3D)
    Brightness
    Contrast
    Color
    Tint
    Sharpness
    Brilliant ColorOn/Off
    Color TemperatureCool/Normal/Warm
    Color Temperature Fine TuningR Gain/G Gain/B Gain/R Offset/G 
    Offset/B Offset
    3D Color 
    ManagementPrimary ColorR/G/B/C/M/Y
    Hue
    Saturation
    Gain
    Reset Picture SettingCurrent/All/Cancel
    3. 
    SOURCEQuick Auto SearchOn/Off
    Color Space ConversionAuto/RGB/YUV
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    							Operation 38
    Main menu Sub-menu Options
    4. 
    SYSTEM 
    SETUP: 
    Basic
    Presentation 
    TimerTimer Period1~240 minutes
    Timer DisplayAlways/3 min/2 min/1 min/Never
    Timer PositionTop-Left/Bottom-Left/Top-Right/
    Bottom-Right
    Timer Counting 
    DirectionCount Down/Count Up
    Sound ReminderOn/Off
    On/Off
    Language
    Projector InstallationFront Table/Rear Table/Rear 
    Ceiling/Front Ceiling
    Menu SettingsMenu Display 
    Time5 sec/10 sec/20 sec/30 sec/Always
    Menu PositionCenter/Top-Left/Top-Right/Bottom-
    Right/Bottom-Left
    Reminder 
    MessageOn/Off
    Operation 
    SettingsDirect Power OnOn/Off
    Signal Power OnOn/Off
    Auto Power OffDisable/3 min/10 min/15 min/20 
    min/25 min/30 min
    Quick CoolingOn/Off
    Instant RestartOn/Off
    Blank TimerDisable/5 min/10 min/15 min/20 
    min/25 min/30 min
    Sleep TimerDisable/30 min/1 hr/2 hr/3 hr/4 hr/8 
    hr/12 hr
    Remote ReceiverFront+Top/Front/Top
    Panel Key LockOn/Off
    Background ColorBlack/Blue/Purple/BenQ
    Splash ScreenBlack/Blue/BenQ
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    							Operation 39 Note that the menu items are available when the projector detects at least one valid signal. 
    If there is no equipment connected to the projector or no signal detected, limited menu 
    items are accessible.
    Main menu Sub-menu Options
    5. 
    SYSTEM 
    SETUP: 
    Advanced
    High Altitude ModeOn/Off
    Audio SettingsMuteOn/Off
    Volume
    Power On/Off 
    Ring ToneOn/Off
    Lamp SettingsLamp ModeNormal/Economic/SmartEco
    Reset Lamp Timer
    Equivalent Lamp
    Security 
    SettingsChange Password
    Change Security 
    SettingsPower On Lock
    Web Control Lock
    Baud Rate2400/4800/9600/14400/19200/
    38400/57600/115200
    Test PatternOn/Off
    Closed CaptionClosed Caption 
    EnableOn/Off
    Caption VersionCC1/CC2/CC3/CC4
    Standby 
    SettingsNetworkOn/Off
    Monitor OutOn/Off
    Audio Pass 
    ThroughOff/Audio In/Audio L/R/Network 
    Display/HDMI/USB Display
    Network 
    SettingsWireless LANStatus
    SSID
    SSID Display
    IP Address
    Connection Mode
    Apply
    Projection Log In 
    CodeOn/Off
    Reset All Settings
    6. 
    INFORMA
    TION
    Current System Status• Source
    • Picture Mode
    • Lamp Mode
    • Resolution
    • 3D Format
    • Color System
    • Equivalent Lamp
    • Firmware Version
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    							Operation 40
    Description of each menu
    Function Description
    Wall ColorCorrects the projected picture’s color when the projection surface is 
    not white. See Using Wall Color on page 27 for details.
    Aspect RatioThere are several options to set the images aspect ratio depending on 
    your input signal source. See Selecting the aspect ratio on page 25 
    for details.
    KeystoneCorrects any keystoning of the image. See Correcting keystone on 
    page 20 for details.
    Position
    Displays the position adjustment page. To move the projected image, 
    use the directional arrow keys. The values shown on the lower 
    position of the page change with every key press you made until they 
    reach their maximum or minimum.
    This function is only available when a PC signal (analog RGB) is selected.
    Phase
    Adjusts the clock phase to reduce image 
    distortion.
    This function is only available when a PC signal 
    (analog RGB) is selected.
    H. SizeAdjusts the horizontal width of the image.
    This function is only available when a PC signal (analog RGB) is selected.
    Digital ZoomMagnifies or reduces the projected image. See Magnifying and 
    searching for details on page 25 for details.
    1. DISPLAY menu
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