BenQ TH671ST User Manual
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BenQ TH671ST User Manual

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TH671ST
Digital Projector
User Manual
V 1.02

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Summary of Contents for BenQ TH671ST

  • Page 1 TH671ST Digital Projector User Manual V 1.02...

  • Page 2: Warranty And Copyright Information

    For other information, please visit www.BenQ.com. Copyright Copyright © 2017 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 lamp assembly or any 13. Always place the projector on a level, electronic components unless the projector is horizontal surface during operation. 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 •...

  • Page 8: Projector Exterior View

    Projector exterior view 1. Focus ring and Zoom ring 13. USB Type A port 2. Vent (air exhaust) 14. RGB (PC) signal input jack 3. Adjuster feet 15. RGB (PC) signal output jack 4. Projection lens 16. RS-232 control port 5.

  • 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. 5. 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 6. SOURCE 15. SOUND MODE Displays the source selection bar. Selects the sound mode. 7. ECO BLANK 16. LUMIEXPERT BOOST Used to hide the screen picture. Displays the LumiExpert Boost menu. Do not block the projection lens from 17. Volume keys projecting as this could cause the blocking Decreases or increases the projector volume.

  • Page 11: Remote Control Effective Range

    Controlling your smart device with the AUTO button 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 on the projector keypad for 3 seconds.

  • 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: Mounting The Projector

    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 15: Adjusting The Projected Image

    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. You can screw the adjuster feet to fine-tune the horizontal angle.

  • Page 16: Correcting Keystone

    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 17: 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 18 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 Better HDMI/MHL Good Connecting audio The projector has built-in mono speaker(s) which are designed to provide basic audio functionality accompanying data presentations for business purposes only.

  • Page 19: 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 20 Step 4: Specify Auto Source. Select On if you want the projector to always search for available signals automatically when the projector is turned Step 5: Specify Menu Type. For more information about menu types, Using the menus. Now you’ve completed the initial setup. 4.

  • Page 21: Using The Menus

    Using the menus The projector is equipped with 2 types of On-Screen Display (OSD) menus for making various adjustments and settings. • Basic OSD menu: provides primary menu functions. (See Basic menu on page • Advanced OSD menu: provides full menu functions. (See Advanced menu on page To access the OSD menu, press MENU on the projector or remote control.
  • Page 22 Likewise, when you wish to switch from the Advanced OSD menu to the Basic OSD menu, follow the instructions below: 1. Go to Advanced Menu - System Setup : Basic > Menu Settings and press OK. 2. Highlight Menu Type and press / to select Basic.

  • Page 23: 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 rear side of the projector.

  • Page 24: Entering The Password Recall Procedure

    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 25: 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. When starting up, Source the projector automatically searches for the available signals. Be sure the Advanced Menu - System Setup : Basic > Auto Source HDMI1 menu is On if you want the projector to automatically search for the signals.

  • Page 26: 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 lamp shuts down, and the fans will continue to run for approximately 90 seconds to cool down the projector.

  • Page 27: Menu Operation

    Menu operation Please note that the on-screen display (OSD) menus vary according to the signal type selected and the projector model you are using. 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 28 (with 3D game discs), 3D Blu-ray players (with 3D Blu-ray discs), 3D TV (with 3D channel), and so on. After you have connected the 3D video devices to the projector, wear the BenQ 3D glasses and make sure the power is on to view 3D contents.
  • Page 29 Activate this function only after a new lamp is installed. When you select Reset, a • Reset Lamp "Reset Successfully" message displays to notify that the lamp time has been reset Timer to "0". Returns all settings to the factory preset values. •...

  • Page 30: 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 31: Color Temperature

    The higher the value, the greater the contrast. Use this to set the peak white level Contrast after you have previously adjusted the Brightness setting to suit your selected input and viewing environment. Lower setting produces less saturated colors. If the setting is too high, colors on Color the image will be overpowering, which makes the image unrealistic.

  • Page 32: Color Management

    Color Management This function provides six sets (RGBCMY) of colors to be adjusted. When you select each color, you can independently adjust its range and saturation according to your preference. • Primary Color: Selects a color from among R (Red), G (Green), B (Blue), C (Cyan), M (Magenta), or Y (Yellow).

  • Page 33: Audio Setup

    Reset Current Returns all of the adjustments you’ve made for the Picture menu to the factory preset values. Picture Mode Audio Setup Effect Mode Sound Mode function utilizes MaxxAudio sound enhancement technology, which incorporates Waves’s algorithms to deliver great effects of the bass and treble and provide you with immersive cinematic audio experience.
  • Page 34 Display There are several options to set the image's aspect ratio depending on your input signal source. • Auto: Scales an image proportionally to fit the projector's native resolution in its horizontal or vertical width. 15:9 picture • 4:3: Scales the picture so that it is displayed in the center of the screen with a 4:3 aspect ratio.
  • Page 35 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 36: Test Pattern

    HDMI • HDMI Range: Sets the HDMI Range to Auto, Full, or Limited. Settings 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.
  • Page 37 When you select On, all LED indicators on the projector function normally. See Indicators for more details. When you select Off, the LED indicators are off after you turn on the projector and LED Indicator the splash screen displays. However, if the projector is not working properly, the LED indicators light or flash to remind you that a problem may occur.

  • Page 38: 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 39: Extending Lamp Life

    See Indicators on page The following Lamp warning displays will remind you to change the lamp. Order Replacement Lamp Install a new lamp for optimal performance. Press Lamp>XXXX Hours Order a new lamp at www.benq.com dismiss the message. Maintenance...

  • Page 40: Replacing The Lamp

    The lamp is a consumable item. The lamp brightness Lamp>XXXX Hours diminishes with use. This is normal lamp behavior. You can Order a new lamp at www.benq.com replace the lamp whenever you notice that the brightness level has significantly diminished.
  • Page 41 3. Remove the lamp cover from the projector. • Do not turn the power on with the lamp cover open. • Do not insert your fingers between the lamp and the projector. The sharp edges inside the projector may cause injuries 4.

  • Page 42: Resetting The Lamp Timer

    13. Tighten the screw that secures the lamp cover. • Loose screw may cause a bad connection, which could result in malfunction. • Do not over tighten the screw. 14. .Connect the power and restart the projector. Resetting the lamp timer 15.
  • Page 43 Indicators Light Status & Description Power events Stand-by mode Powering up Normal operation Normal power-down cooling Download CW start fail Scaler Shutdown Fail Burn-In events Burn-in ON Burn-in OFF Lamp events Lamp error in normal operation Lamp is not lit up Thermal events Fan 1 error (the actual fan speed is outside the desired speed) Fan 2 error (the actual fan speed is outside the desired speed)

  • Page 44: 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 45: Specifications

    Type-A power supply 5V /1.0 A x 1 (Optional for Repairing QCast Mirror HDMI Wireless Dongle); Mini-B x 1 Please visit below website and choose your country to RS-232 serial control find your service contact window. 9 pin x 1 http://www.benq.com/welcome IR receiver x 2 Specifications...

  • Page 46: Dimensions

    Dimensions 296 mm (W) x 120 mm (H) x 224 mm (D) Unit: mm Specifications...

  • Page 47: 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 48 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 49 • 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...

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