BenQ LX720 User Manual
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BenQ LX720 User Manual

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Digital Projector
User Manual
LX720 / LW720 / LH720
V1.00

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Summary of Contents for BenQ LX720

  • Page 1 Digital Projector User Manual LX720 / LW720 / LH720 V1.00...

  • Page 2: Warranty And Copyright Information

    For other information, please visit www.BenQ.com. Copyright Copyright © 2018 by BenQ Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of BenQ Corporation.

  • Page 3: Table Of Contents

    Table of Contents Warranty and Copyright information ................2 Important safety instructions ....................4 Introduction .......................... 7 Shipping contents ............................7 Projector exterior view ..........................8 Controls and functions..........................9 Positioning your projector ....................12 Choosing a location ..........................12 Obtaining a preferred projected image size..................

  • Page 4: 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. 1.
  • Page 5 9. Never replace the light source assembly or 13. Always place the projector on a level, any electronic components unless the horizontal surface during operation. projector is unplugged. - Do not use if tilted at an angle of more than 10 degrees left to right, nor at angle of more than 15 degrees front to back.
  • Page 6 50 cm clearance from walls and free flow of air around the projector. outlet and call BenQ to have the projector - Locations where temperatures may become serviced. excessively high, such as the inside of a car with all windows rolled up.

  • Page 7: Introduction

    Introduction Shipping contents Carefully unpack and verify that you have all of the items shown below. If any of these items are missing, please contact your place of purchase. Standard accessories Remote control with Projector User manual CD batteries Quick Start Guide Warranty card* Power cord VGA cable...

  • Page 8: Projector Exterior View

    • Avoid leaving the remote control and batteries in an excessive heat or humid environment like the kitchen, bathroom, sauna, sunroom or in a closed car. • Replace only with the same or equivalent type recommended by the battery manufacturer. •...

  • Page 9: Controls And Functions

    Controls and functions Projector & Remote control All the key presses described in this document are available on the remote control or projector. 6. Arrow keys ( , POWER When the On-Screen Display (OSD) menu is Toggles the projector between standby mode activated, these keys are used as directional and on.
  • Page 10 8. OK 16. ZOOM+/ZOOM- Confirms the selected On-Screen Display Magnifies or reduces the projected picture (OSD) menu item. size. 9. AUTO 17. PAGE+/PAGE- Automatically determines the best picture Operate your display software program (on a timings for the displayed image when PC signal connected PC) which responds to page (analog RGB) is selected.
  • Page 11 Controlling your smart device with the remote control When the projector projects the content from your MHL compatible smart device, you can use the remote control to control your smart device. To enter the MHL mode, press and hold AUTO for 3 seconds. The following buttons are available for controlling your smart device: Arrow keys ( , ), MENU, BACK, OK.

  • Page 12: Positioning Your Projector

    Select this location with the projector suspended upside-down in front of the screen. Purchase the upside-down from behind the screen. Note that a BenQ Projector Ceiling/Wall Mount Kit from your special rear projection screen and the BenQ dealer to mount your projector.

  • Page 13: Obtaining A Preferred Projected Image Size

    All measurements are approximate and may vary from the actual sizes. 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.
  • Page 14 All measurements are approximate and may vary from the actual sizes. 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.
  • Page 15 All measurements are approximate and may vary from the actual sizes. 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.

  • Page 16: Shifting The Projection Lens

    If you use a non-BenQ brand projector mounting kit, there is a safety risk that the projector may fall down due to an improper attachment through the use of the wrong gauge or length screws.

  • Page 17: Adjusting The Projected Image

    Ceiling/Wall mount installation diagram Ceiling/Wall mount screw: M4 (Max L = 25 mm; Min L = 20 mm) 339.5 242.0 216.8 Unit: mm 228.0 Adjusting the projected image Adjusting the projection angle If the projector is not placed on a flat surface or the screen and the projector are not perpendicular to each other, the projected image becomes trapezoidal.
  • Page 18 Auto-adjusting the image In some cases, you may need to optimize the picture quality. To do this, press AUTO. Within 3 seconds, the built-in Intelligent Auto Adjustment function will re-adjust the values of Frequency and Clock to provide the best picture quality. The current source information will be displayed in the corner of the screen for 3 seconds.

  • Page 19: Connection

    Connection When connecting a signal source to the projector, be sure to: 1. Turn all equipment off before making any connections. 2. Use the correct signal cables for each source. 3. Ensure the cables are firmly inserted. A/V device Monitor VGA cable VGA to DVI-A cable USB cable...
  • Page 20 You need only connect the projector to a video source device using just one of the connecting methods, however each provides a different level of video quality. Terminal Picture quality Best HDMI/MHL Component Video (through RGB Better input) Good S-Video Normal Video Connecting audio...

  • Page 21: Connecting Smart Devices

    The projector can project the content directly from a smart device by using a wireless dongle. HDMI wireless dongle (e.g. BenQ QCastMirror, QCast) • Connect the dongle to HDMI I and TYPE-A ports on the projector and switch the input signal to HDMI-1.

  • Page 22: Operation

    Operation Starting up the projector 1. Plug the power cord. Turn on the power outlet switch (where fitted). The power indicator on the projector lights orange after power has been applied. 2. Press on the projector or on the remote control to start the projector.

  • Page 23: Calibrating Lumiexpert

    Calibrating LumiExpert When the LumiExpert is activated for the first time, follow the steps below to calibrate LumiExpert. 1. Go to Advanced Menu > Picture > LumiExpert and press OK. 2. Select Manual Calibration and press OK. 3. The 1st message will remind user to check if the ambient light of the room is under the brightest condition.
  • Page 24 If you intend to switch from the Basic OSD menu to the Advanced OSD menu, follow the instructions below: 1. Go to Basic Menu > Menu Type. 2. Press OK and press / to select Advanced. Next time when you turn on the projector, you may access the Advanced OSD menu by pressing MENU.

  • Page 25: Securing The Projector

    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 you are an authorized user of the projector.

  • Page 26: Switching Input Signal

    Changing the password 1. Go to Advanced Menu - Settings > Security Settings > Change Password. 2. Press OK. The message “Input Current Password” appears. 3. Enter the old password. • If the password is correct, another message “Input New Password” appears. •...

  • Page 27: Controlling The Projector Via Lan

    Controlling the projector via LAN Wired LAN allows you to manage the projector from a computer using a web browser when the computer and the projector are properly connected to the same local area network. Configuring the Wired LAN Settings If you are in a DHCP environment: 1.

  • Page 28: Upgrading Firmware Via Lan

    Upgrading firmware via LAN The BenQ Easy Firmware Updater is a software program that enables remote and centralized upgrade the BenQ network projector on a host computer. The key features of the BenQ Easy Firmware Updater include: • Search for projectors in the different subnet.
  • Page 29 Menu Auto PC Blank Input Projector & Remote control on page 9 for details. Activates the selected On-Screen Display (OSD) menu item. 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.
  • Page 30 After making the adjustments, press the Send button and the data will be saved in the projector Please pay attention to the limitation of input length (including space and other punctuation keys) in the list blow: Category item Input length Maximum number of characters Crestron Control IP Address...

  • Page 31: Shutting Down The Projector

    Shutting down the projector 1. Press on the projector or on the remote control and a confirmation message will appear prompting you. If you don't respond in a few seconds, the message will disappear. 2. Press a second time. The power indicator flashes orange, the projection light source shuts down, and the fans will continue to run for approximately 90 seconds to cool down the projector.

  • Page 32: Menu Operation

    There are several options to set the image's aspect ratio depending on your input signal source. • Auto: Scales an image (LX720) proportionally to fit the (LW720) (LH720) projector's native resolution in its horizontal or vertical width.
  • Page 33 The projector is preset with several predefined picture modes so that you can choose one to suit your operating environment and input signal picture type. • Bright: Maximizes the brightness of the projected image. This mode is suitable for environments where extra-high brightness is required, such as using the projector in well lit rooms.

  • Page 34: Advanced Menu

    Advanced menu Picture The projector is preset with several predefined picture modes so that you can choose one to suit your operating environment and input signal picture type. • Bright: Maximizes the brightness of the projected image. This mode is suitable for environments where extra-high brightness is required, such as using the projector in well lit rooms.
  • Page 35 This feature utilizes a new color-processing algorithm and system level enhancements to enable higher brightness while providing truer, more vibrant colors in picture. It enables a greater than 50% brightness increase in mid-tone Brilliant Color images, which are common in video and natural scenes, so the projector reproduces images in realistic and true colors.
  • Page 36 Display There are several options to set the image's aspect ratio depending on your input signal source. • Auto: Scales an image (LX720) (LW720) proportionally to fit the (LH720) projector's native resolution in its horizontal or vertical width.
  • Page 37 Adjusts the image size and focus and check that the projected image is free from distortion. Test Pattern • Phase: Adjusts the clock phase to reduce image distortion. This function is only available when a PC PC & signal (analog RGB) or YPbPr signal is selected. Component YPbPr Tuning •...
  • Page 38 Selects a suitable color format to optimize display quality. • Auto: Automatically selects a suitable color space and gray level for the incoming HDMI signal. • RGB Limited: Utilizes the Limited range RGB 16-235. HDMI Format • RGB Full: Utilizes the Full range RGB 0-255. •...
  • Page 39 Blank Timer Sets the image blank time when there is no action taken on the blank screen, once elapsed the image will return to the screen. If the preset time spans are not suitable for your need, 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.
  • Page 40 Selects a baud rate that is identical with your computer’s so that you can connect Baud Rate the projector using a suitable RS-232 cable and update or download the projector’s firmware. This function is intended for qualified service personnel. Adjusts the equalizer gain settings for an HDMI signal. The higher the setting, the HDMI stronger the gain value.
  • Page 41 • Mute: Temporarily turns off the sound. • Volume: Adjusts the sound level. • Microphone Volume: Adjusts the microphone volume of the projector. Audio • Power On/Off Ring Tone: Turns on or off the ring tone when the projector is in startup and shutdown process.

  • Page 42: Maintenance

    Maintenance Care of the projector Cleaning the lens Clean the lens whenever you notice dirt or dust on the surface. Please be sure to turn off the projector and let it cool down completely before cleaning the lens. • Use a canister of compressed air to remove dust. •...

  • Page 43: Light Information

    Light information Extending light source life • Setting the Light Mode Go to Advanced Menu - Settings > Light Settings > Light Mode and select a suitable light source power from among the provided modes. Setting the projector in Economic, Dimming or Custom mode extends light source life. Light source mode Description Normal...
  • Page 44 Indicators Light Status & Description System Messages Stand-by mode Powering up Normal operation Normal power-down cooling Download CW start fail Light life exhausted LAN download fail LAN download processing Burn-In Messages Burn-in ON Burn-in OFF Light Error Messages Light error in normal operation Light is not lit up Thermal Error Messages Fan 1 error (the actual fan speed is outside the desired speed)

  • Page 45: Troubleshooting

    Troubleshooting The projector does not turn on. Cause Remedy Plug the power cord into the AC power jack on the projector, and plug the power cord into the power outlet. If There is no power from the power cord. the power outlet has a switch, make sure that it is switched Attempting to turn the projector on again during Wait until the cooling down process has completed.

  • Page 46: Specifications

    All specifications are subject to change without notice. Optical Input terminals Resolution Computer input 1024 x 768 XGA (LX720) RGB input 1280 x 800 WXGA (LW720) D-Sub 15-pin (female) x 2 1920 (H) x 1080 (V) (LH720) Video signal input...

  • Page 47: Dimensions

    Dimensions 410 mm (W) x 158 mm (H) x 272 mm (D) Unit: mm Specifications...

  • Page 48: Timing Chart

    1024 x 768 XGA_85 84.997 68.667 94.500 XGA_120 (Reduce 119.989 97.551 115.5 Blanking) 1152 x 864 1152 x 864_75 67.5 BenQ 1024 x 576 60.0 35.820 46.966 Notebook_timing BenQ 1024 x 600 64.995 41.467 51.419 Notebook_timing 1280 x 720 1280 x 720_60 45.000...
  • Page 49 1024 x 768 XGA_85 84.997 68.667 94.500 XGA_120 (Reduce 119.989 97.551 115.5 Blanking) 1152 x 864 1152 x 864_75 67.5 BenQ Notebook 1024 x 576@60Hz 60.00 35.820 46.996 Timing BenQ Notebook 1024 x 600@65Hz 64.995 41.467 51.419 Timing 1280 x 720 1280 x 720_60 45.000...
  • Page 50 • Video timings Supported 3D format Vertical Horizontal Pixel Timing Resolution Frequency Frequency Frequency Frame Frame Side by (Hz) (kHz) (MHz) Sequential Packing Bottom Side 480i 720 x 480 59.94 15.73 480p 720 x 480 59.94 31.47 576i 720 x 576 15.63 576p 720 x 576...
  • Page 51 Supported timing for Video and S-Video inputs Supported 3D Horizontal Frequency Vertical Frequency Color sub-carrier Video mode format (kHz) (Hz) Frequency (MHz) Frame Sequential NTSC 15.73 3.58 15.63 4.43 SECAM 15.63 4.25 or 4.41 PAL-M 15.73 3.58 PAL-N 15.63 3.58 PAL-60 15.73 4.43...

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