BenQ LH770 User Manual
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BenQ LH770 User Manual

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LX770 / LH770
Digital Projector
User Manual
V1.00

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Summary of Contents for BenQ LH770

  • Page 1 LX770 / LH770 Digital Projector User Manual V1.00...

  • Page 2: Copyright & Disclaimer

    Statement for hyper links and third-party websites BenQ Corporation is not responsible for the content of the websites or of similar resources, which are maintained and controlled by third parties, that may be linked from this product. Providing links to those websites or to similar resources does not mean that BenQ Corporation makes any warranty or representation to their content by expression or by implication.

  • Page 3: Table Of Contents

    Table of Contents Copyright & Disclaimer ................2 Copyright .............................. 2 Disclaimer ............................. 2 Statement for hyper links and third-party websites ..............2 Important safety instructions ..............6 Safety Instructions ....................... 6 Laser statement ......................7 Laser type ............................. 7 Label indication ............................ 8 Laser indication ...........................
  • Page 4 Operation .....................27 Starting up the projector ........................27 Adjusting the projected image ................. 28 Adjusting the projection angle .......................28 Auto-adjusting the image.........................28 Fine-tuning the image size and clarity ...................28 Correcting 2D keystone ........................29 Adjusting corner fit ..........................30 Using the menus ..................31 Securing the projector ....................
  • Page 5 Clean the lens ......................62 Cleaning the projector case ..................62 Dust filter maintenance .................... 63 Dust filter replacement ........................63 LED Indicator ......................65 System message ..........................65 Light source error messages ......................65 Thermal error messages .........................66 Troubleshooting...................67 Troubleshooting ......................67 The projector does not turn on.

  • Page 6: Important Safety Instructions

    Important safety instructions Your projector is designed and tested to meet the latest standards for safety of information technology equipment. However, to ensure safe use of this product, it is important that you follow the instructions mentioned in this manual and marked on the product. Safety Instructions 1.

  • Page 7: Laser Statement

    10. Do not place liquids near or on the projector. Liquids spilled into the projector may cause it to fail. If the projector does become wet, disconnect it from the power supply's wall socket and call BenQ to have the projector serviced.

  • Page 8: Label Indication

    Label indication The following diagram shows label locations. 1. Laser warning label 2. Specification label Note: Specification labels may vary due to different delivery regions. Consult the dealer for details.

  • Page 9: Laser Indication

    Laser indication The following diagram shows the location of laser aperture. Be aware that you must not look straight at the laser. Laser aperture Heat radiation notice Leave a space at least 500 mm (19.7 in.) around the air outlet. Make sure that no object blocks the ventilation within 300 mm (11.8 in.).
  • Page 10 y Leave a space at least 50 cm around the air outlet. Min. 500 mm Min. 500 mm Min. 500 mm (19.69 in.) (19.69 in.) (19.69 in.) Min. 100mm (3.94 in.) Min. 300 mm (11.81 Min. 500 mm (19.69 in.) y Make sure that the air inlet would not suck in the hot air from the air outlet.

  • Page 11: Shipping Contents

    Shipping contents Standard accessories Remote controller Battery Quick start guide Warranty card VGA cable Power cord Optional accessories 1. Ceiling mount kit 2. 3D glasses 3. Wireless dongle: QCast (QP01), InstaShow™(WDC10) * The warranty card is only supplied in some specific regions. Please consult your dealer for detailed information.

  • Page 12: Introduction

    Introduction Projector exterior view Front/upper side 1. POWER indicator light 2. TEMP (temperature) warning light 3. LAMP indicator light 4. Front IR remote sensor 5. Front adjuster foot 6. Side ventilation hole 7. Front adjuster foot Rear/upper side 8. Vertical lens knob 9.

  • Page 13: Controls And Functions

    Controls and functions Control panel y MENU/EXIT Turns on the On-Screen Display (OSD) menu. Goes back to previous OSD menu, exits and saves menu settings. See “Using the menus” on page 31 for details. y Volume/Arrow keys ( /◄ Left) Turns down the volume.

  • Page 14: Control Terminal

    Control terminal y MONITOR OUT Connects to other display devices used for simultaneous playback and display. y PC 1/PC 2 This indicates the RGB or YPbPr/YCbCr output signal. y S-VIDEO Connecting S-Video source. y HDMI 1 Connecting HDMI source. y HDMI 2/MHL Connecting HDMI or MHL source.

  • Page 15: Remote Controller

    Remote controller 7. LASER Emits visible laser pointer light for presentation purposes. 8. MHL control buttons These buttons are used when playing the media. Their functions are listed by order: Go to the previous document/Play/Pause/Go to the next document/Fast rewind/Stop/Fast forward.
  • Page 16 16. ► Right/ Operating the laser Avoid Exposure pointer Turn up the projector volume. Laser radiation is emitted from this aperture The Laser Pointer is When the On-Screen Display (OSD) menu is a presentation aid for activated, the #3, #5 and #16 keys are used as professionals.

  • Page 17: Replacing The Remote Control Battery

    Effective range of remote control Infra-Red (IR) remote control sensors are located on the front and rear of the projector. The remote control must be held at an angle within 30 degrees perpendicular to the projector's IR remote control sensor to function correctly. The distance between the remote control and the sensor should not exceed 8 meters (~ 26 feet).

  • Page 18: Installation

    Note that a special rear projection screen and the Purchase the BenQ Projector Ceiling Mounting Kit BenQ Projector Ceiling Mounting Kit are required from your dealer to mount your projector on the for this installation location.

  • Page 19: Evaluate The Distance Based On The Image Size

    Evaluate the distance based on the image size Obtaining a preferred projected image size The distance from the projector lens to the screen, the zoom setting (if available), and the video format each factors in the projected image size. Projection dimensions Refer to “Dimensions”...
  • Page 20 14335 Note: A 5-percent tolerance exists between these numbers due to the difference among optical components. BenQ recommends that if you intend to permanently install the projector, you should physically test the projection size and distance using the actual projector in situ before you permanently install it, so as to make allowance for this projector's optical characteristics. This will help you determine the exact mounting position so that it best suits your installation location.

  • Page 21: Press The Lens Shift Button For Adjustment

    Press the lens shift button for adjustment Horizontal lens shift adjustment bar Vertical lens shift adjustment bar You can use the lens shift function to adjust the location of projected image horizontally or vertically in the range described below. Adjust the location of vertical image You can adjust the height of vertical image between the shift locations 124.5% +/-7.8% (XGA), 125.7% +/-7.9% (1080P).

  • Page 22: Adjust The Zoom/Focus Function

    Adjust the zoom/focus function You can turn the zoom gear for zoom-in and zoom-out. You can turn the focus gear to focus on an image until the image becomes clear. The projector will focus on an image in a certain distance. Refer to “Fine- tuning the image size and clarity”...

  • Page 23: Connection

    Connection Before connection y Please read the manual for connection to external devices carefully before connection. y Shut down the power supply of all devices before connecting the cable. y Bear the following in mind before connecting the cable. A breakdown might occur if not following these rules.
  • Page 24 HDMI 1 Serial Serial TMDS Data2+ 11 TMDS Clock Shield TMDS Data2 Shield 12 TMDS Clock- 2 to 18 (even number of pins) TMDS Data2- 13 CEC TMDS Data1+ 14 Reserved (no pin) TMDS Data1 Shield 15 SCL TMDS Data1- 16 SDA TMDS Data0+ 17 DDC/CEC Ground...

  • Page 25: Connection With The Av Device

    Connection with the AV device A/V device Smart phone or tablet Connection with the computer Display Control computer Computer...

  • Page 26: Connection With Lan

    Connection with LAN (Ethernet)

  • Page 27: Operation

    Operation Starting up the projector 1. Plug the power cord into the projector and into a power outlet. Turn on the power outlet switch (where fitted). Check that the POWER indicator light on the projector lights orange after power has been applied. Please use the original accessories (e.g.

  • Page 28: Adjusting The Projected Image

    Adjusting the projected image Adjusting the projection angle The projector is equipped with 2 front adjuster feet. These adjusters change the image height and projection angle. To adjust the projector: 1. Adjust the foot before turning the projector to ensure that the image is at the position you prefer.

  • Page 29: Correcting 2D Keystone

    Correcting 2D keystone 2D Keystone function enables a wider projector installation area compared to conventional projectors with limited positioning in front of the screen. To correct this, you will need to manually correct it following one of these steps. y Using the projector or remote control Press to display the 2D Keystone page.

  • Page 30: Adjusting Corner Fit

    Adjusting corner fit Manually adjust four corners of the image by setting the horizontal and vertical values. y Using the OSD menu 1. Press MENU/EXIT and then press ◄/► until the Display DISPLAY menu is highlighted. Wall Color Aspect Ratio Auto 2.

  • Page 31: Using The Menus

    Using the menus The projector is equipped with On-Screen Display (OSD) menus for making various adjusents and settings. Below is the overview of the OSD menu. Main menu icon Main menu Display Wall Color Aspect Ratio Auto 2D Keystone ENTER Highlight Corner Fit Status...

  • Page 32: Securing The Projector

    Securing the projector Using a security cable lock The projector has to be installed in a safe place to prevent theft. Otherwise, purchase a lock, such as the Kensington lock, to secure the projector. You can locate a Kensington lock slot on the left side of the projector.

  • Page 33: If You Forget The Password

    Please write down the recall code, and contact BenQ Customer Center. 2. Write down the number and turn off your projector. 3. Seek help from the local BenQ service center to decode the number. You may be required to provide proof Recall Code: of purchase documentation to verify that you are an authorized user of the projector.

  • Page 34: Switching Input Signal

    Switching input signal The projector can be connected to multiple devices at the same time. However, it can only display one full screen at a time. Be sure the Quick Auto Search function in the SOURCE menu is On (which is the default of this projector) if you want the projector to automatically search for the signals.

  • Page 35: Selecting The Aspect Ratio

    Selecting the aspect ratio The "aspect ratio" is the ratio of the image width to the image height. Most analog TV and computers are in 4:3 ratio,and digital TV and DVDs are usually in 16:9 ratio. With the advent of digital signal processing, digital display devices like this projector can dynamically stretch and scale the image output to a different aspect than that of the image input signal.

  • Page 36: About The Aspect Ratio

    About the aspect ratio In the pictures below, the black portions are inactive areas and the white portions are active areas. OSD menus can be displayed on those unused black areas. 1. Auto: Scales an image proportionally to fit the 3.

  • Page 37: Optimizing The Image

    Optimizing the image Using Wall Color In the situation where you are projecting onto a colored surface such as a painted wall which may not be white, the Wall Color feature can help correct the projected picture’s color to prevent possible color difference between the source and projected pictures.

  • Page 38: Fine-Tuning The Image Quality In User Modes

    Setting the User 1 mode You can use one of the picture modes (except the User 1) as a starting point and customize the settings if the current available picture modes are not suitable for your need. 1. Press MENU/EXIT to open the On-Screen Display (OSD) menu. 2.
  • Page 39 Selecting a Color Temperature The options available for color temperature* settings vary according to the signal type selected. 1. Cool: Makes images appear bluish white. 2. Normal: Maintains normal colorings for white. 3. Warm: Makes images appear reddish white. * About color temperatures: There are many different shades that are considered to be "white"...
  • Page 40 2. Press MODE/ENTER and the 3D Color Management page displays. 3. Select Primary Color and press ◄/► to select a color from among Red, Green, Blue, Cyan, Magenta, or Yellow. 4. Press ▼ to highlight Hue and press ◄/► to select its range. Increase in the range will include colors consisted of more proportions of its two adjacent colors.

  • Page 41: Remote Paging Operations

    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 23 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 +/PAGE - on the remote control.

  • Page 42: Locking Control Keys

    Locking control keys With the control keys 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.

  • Page 43: Using Test Pattern

    Muting the sound To temporarily turn off the sound, y Using the remote control Press MUTE to temporarily turn off the sound. When turning off the sound, appears on the top-right corner of screen. To turn the sound on again, press MUTE again. y Using the menus 1.

  • Page 44: Using Quick Install

    Using Quick Install This projector provides hot keys to set up Projector Installation, Test Pattern and Keystone. Press QUICK INSTALL on the remote control and press ▲/▼ to select options: y Projector Installation: See “Installation” on page y Test Pattern: See “Using Test Pattern”...
  • Page 45 7. IP Address, Subnet Mask, Default Gateway and DNS Server settings will appear. Record the IP address displayed in IP Address line. Wired LAN Status Connection DHCP IP Address Subnet Mask Default Gateway DNS Server Apply MENU EXIT Contact your ITS administrator if the IP address still has not appeared. 3.

  • Page 46: Remote Control The Projector Via Web Browser

    Remote control the projector via web browser If a correct IP address of projector exists and the projector is turned on or in standby mode, you can use any computer in the same LAN to control the projector. 1. Enter the address of projector in the address field of browser and click Go. 2.
  • Page 47 The tools page allows you to manage the projector, configure the LAN control settings and secure access of remote network operation on this projector. 1. You can name the projector, keep track of its location and the person in charge of it. 2.

  • Page 48: Shutting Down The Projector

    Category Item Input length Maximum number of characters Admin Password Enabled (Not applicable) New Password Confirm The Information page displays the information and status of this projector. Press Exit to return to the operation page of remote control network. Visit http://www.crestron.com www.crestron.com/getroomview for details.

  • Page 49: Menu Operations

    Menu operations Menu system Please note that the on-screen display (OSD) menus vary according to the signal type selected. Main menu Sub-menu Option Off/Light Yellow/Pink/Light Green/Blue/ Wall Color Blackboard Aspect Ratio Auto/Real/4:3/16:9/16:10 2D Keystone Top-Left/Top-Right/Bottom-Left/ Corner Fit Bottom-Right Position Phase H.
  • Page 50 Main menu Sub-menu Option Dynamic/Presentation/sRGB/Infographic/ Picture Mode (3D)/Vivid/User 1 Dynamic/Presentation/sRGB/Infographic/ Reference Mode (3D)/Vivid Brightness Contrast Color Tint Sharpness PICTURE Brilliant Color On/Off Color Temperature Cool/Normal/Warm Color Temperature R Gain/G Gain/B Gain/R Offset/G Fine Tuning Offset/B Offset Primary Color R/G/B/C/M/Y Tint 3D Color Management Saturation...
  • Page 51 Auto Hide Screen On/Off Picture Disable/5 min/10 min/15 min/20 min/25 Blank Timer min/30 min Disable/30 min/1 hr/2 hrs/3 hrs/4 hrs/8 Sleep Timer hrs/12 hrs Reset Filter Timer Reset/Cancel Remote Receiver Front+Rear/Front/Rear Panel Key Lock On/Off Yes/No Background Color BenQ/Black/Blue/Purple Splash Screen BenQ/Black/Blue...
  • Page 52 Main menu Sub-menu Option High Altitude Mode On/Off Mute On/Off Audio Settings Volume Microphone Volume Light Source Mode Normal/Economic/Dimming Dynamic Black On/Off Reset Light Source Light Source Settings Reset/Cancel Timer Light Source Normal/Economic/Dimming Light Hour Information Equivalent Light Hour Change Password Security Settings Change Security Power On Lock...
  • Page 53 Main menu Sub-menu Option y Source y Picture Mode y Light Source Mode y Resolution Current System INFORMATION Status y 3D Format y Color System y Light Source Usage Time y Firmware Version 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.

  • Page 54: Description Of Each Menu

    Description of each menu FUNCTION DESCRIPTION Corrects the projected picture’s color when the projection surface is not Wall Color white. See “Using Wall Color” on page 37 for details. There are several options to set the image's aspect ratio depending on Aspect Ratio your input signal source.
  • Page 55 FUNCTION DESCRIPTION This projector features a 3D function which enables you to enjoy the 3D movies, videos, and sporting events in a more realistic way by presenting the depth of the images. You need to wear a pair of 3D glasses to view the 3D images.
  • Page 56 FUNCTION DESCRIPTION Pre-defined picture modes are provided so you can optimize your Picture Mode projector image set-up to suit your program type. See “Selecting a picture mode” on page 37 for details. Selects a picture mode that best suits your need for the image quality and Reference further fine-tune the image based on the selections listed on the same page Mode...
  • Page 57 FUNCTION DESCRIPTION Quick Auto “Switching input signal” on page 34 for details. Search Select the type of input source for the HDMI signal. "Auto" means to confirm and recommend the setting. You can also select the source type. Different brightness standards are carried out for different source types. HDMI Range This function is only available when a HDMI signal is selected.
  • Page 58 FUNCTION DESCRIPTION Direct Power On When connecting the power cable, the projector is turned on automatically. Signal Power On The default setting is that the projector is turned On automatically without pressing POWER or when it is in standby mode and a signal exists in the VGA or HDMI 1 cable.
  • Page 59 FUNCTION DESCRIPTION High Altitude It is the operation mode suitable for high altitude areas. See “Operating in a Mode high altitude environment” on page 42 for details. “Adjusting the sound” on page 42 for details. Mute Sets the mute function. Volume Adjusts the audio volume level.
  • Page 60 FUNCTION DESCRIPTION Closed Caption Enable Activates the function by selecting "On" when the selected input signal carries closed captions. y Captions: An on-screen display of the dialogue, narration, and sound effects of TV programs and videos that are closed captioned (usually Closed Caption marked as "CC"...
  • Page 61 FUNCTION DESCRIPTION Wired LAN “Control the projector via the wired LAN environment” on page 44 for details. AMX Device Discovery Network Settings When AMX Device Discovery is On, the projector can be detected by AMX controller. MAC Address Displays the mac address for this projector. Returns all settings to the factory preset values.

  • Page 62: Maintenance

    Maintenance Prior to projector maintenance y Be sure to turn off the projector before maintenance. y Be sure to follow the steps in “Shutting down the projector” on page 48 when shutting down the projector. Care of the projector Your projector needs little maintenance. The only thing you need to do on a regular basis is to keep the lens clean.

  • Page 63: Dust Filter Maintenance

    Dust filter maintenance Dust filter replacement The dust filter can be used to prevent the dust from piling up on the surface of the optical element in the projector. If the dust filter is dirty or blocked, the projector would heat excessively or the quality of projected image would be reduced.
  • Page 64 Side dust filter replacement 1. Shut down the projector and pull off the power 4. Align the hole on the module of the new dust plug from the socket. Clean the dust on the filter to the fasten screw on the cap of dust projector and near the ventilation hole.

  • Page 65: Led Indicator

    LED Indicator LIGHT TEMP POWER System message Power Temp Light Status & Description Orange Stand-by mode Green Powering up Flashing Green Normal operation Orange Normal power-down cooling Flashing Download Flashing Flashing Flashing Green CW start fail Green Orange The lamp dies out. Light source error messages Power Temp...

  • Page 66: Thermal Error Messages

    Thermal error messages Power Temp Light Status & Description Fan 1 error Red Flashing Fan 2 error Green Fan 3 error Green Flashing Fan 4 error Red Flashing Fan 5 error Red Flashing Red Flashing Fan 6 error Red Flashing Green Fan 7 error Green...

  • Page 67: Troubleshooting

    The projector will display a coded number on the screen. 2. Write down the number and turn off your projector. 3. Seek help from the local BenQ service center to decode the number. You may be required to provide proof of purchase documentation to verify that...

  • Page 68: Specifications

    Optical 12 V Trigger Resolution 12VDC (Max 0.2 A) x 1 LX770 LAN control 1024 x 768 RJ45 x 1 LH770 1920 x 1080 Display system Input terminals Single-chip DLP™ system Computer input RGB input Light source D-Sub 15-pin (female) x 2...

  • Page 69: Dimensions

    Dimensions 400.0 423.0 440.0 Ceiling mount installation 180(7.08) 65(2.55) * Ceiling mounting screws: M4 (Max. L=10, Min. L=8)

  • Page 70: Appendix

    XGA_120 119.989 97.551 115.500 (Reduce Blanking) 1152 x 864 1152 x 864_75 75.000 67.500 108.000 1024 x 576 BenQ NB Timing 60.000 35.820 46.966 1024 x 600 BenQ NB Timing 64.995 41.467 51.419 1280 x 720 1280 x 720_60 60.000 45.000...

  • Page 71: Supported Timing For Component-Ypbpr Input

    Refresh Horizontal Clock 3D Field 3D Top- 3D Side Resolution Mode Rate Frequency (MHz) Sequential Bottom by Side (Hz) (kHz) 1360 x 768 1360 x 768_60 60.015 47.712 85.500 1440 x 900 WXGA+_60 59.887 55.935 106.500 1400 x 1050 SXGA+_60 59.978 65.317 121.750...

  • Page 72: Supported Timing For Video/S-Video Input

    XGA_120 119.989 97.551 115.500 (Reduce Blanking) 1152 x 864 1152 x 864_75 75.000 67.500 108.000 1024 x 576 BenQ NB Timing 60.000 35.820 46.996 1024 x 600 BenQ NB Timing 64.995 41.467 51.419 1280 x 720 1280 x 720_60 60.000 45.000...
  • Page 73 Horizontal Refresh Clock 3D Field 3D Top- 3D Side Resolution Mode Frequency Rate (Hz) (MHz) Sequential Bottom by Side (KHz) WXGA_60 59.810 49.702 83.500 WXGA_75 74.934 62.795 106.500 1280 x 800 WXGA_85 84.880 71.554 122.500 WXGA_120 119.909 101.563 146.250 (Reduce Blanking) SXGA_60 60.020 63.981...

  • Page 74: Supporting Timing For Hdmi Video Input

    Supporting timing for HDMI Video input Horizontal Vertical Dot Clock 3D Field 3D Frame 3D Top- 3D Side Timing Resolution Frequency Frequency Frequency Sequential Packing Bottom by Side (KHz) (Hz) (MHz) 480i 720 (l440) x 480 15.73 59.94 27.00 480p 720 x 480 31.47 59.94...

  • Page 75: Pjlink

    1st number (1-5 digitals): Light source 1 runtime status query Input selection INST? 11 21 22 31 32 SX751/SW752/SH753/SU754 list query Projector name Returns the name set in [PROJECTOR NAME] of NAME? xxxxx query [NETWORK SETUP] Manufacturer INF1? BenQ Returns manufacturer name name query...
  • Page 76 Parameter/ Command Control details Note Return string Model name SX751/SW752/ INF2? Returns moder name query SH753/SU754 Other INF0? information xxxxx Returns information such as version number queries Class CLASS? information Returns class for PJLink query...

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