BenQ TH685i User Manual
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BenQ TH685i User Manual

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Digital Projector
User Manual
Home Entertainment Series I TH685i
V 1.01

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Summary of Contents for BenQ TH685i

  • Page 1 Digital Projector User Manual Home Entertainment Series I TH685i V 1.01...

  • Page 2: Warranty And Copyright Information

    For other information, please visit www.BenQ.com. Copyright Copyright © 2020 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 If the projector does become wet, - Locations where the altitudes are higher than 3000 m disconnect it from the power supply's power (10000 feet). outlet and call BenQ to have the projector serviced. 3000 m (10000 feet)

  • 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 Quick start guide batteries Warranty card* Power cord VGA cable QS01 Android TV dongle...

  • Page 8: Projector Exterior View

    Projector exterior view 1. Focus ring and Zoom ring 11. USB Type A port 2. Vent (air exhaust) 12. RGB (PC) signal input jack 3. Adjuster feet 13. RS-232 control port 4. Projection lens 14. Audio input jack Audio output jack 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) or the Toggles the projector between standby mode ATV menu is activated, these keys are used as and on.
  • Page 10 6. SOURCE MUTE Displays the source selection bar. Toggles projector audio between on and off. 7. ECO BLANK 14. Volume keys Used to hide the screen picture. Decreases or increases the projector volume. Do not block the projection lens from projecting as this could cause the blocking FOCUS* object to become heated and deformed or...
  • Page 11 Remote control effective range The remote control must be held at an angle within 30 degrees perpendicular to the projector's IR remote control sensor(s) to function correctly. The distance between the remote control and the sensor(s) should not exceed 8 meters (~ 26 feet). Make sure that there are no obstacles between the remote control and the IR sensor(s) on the projector that might obstruct the infra-red beam.

  • Page 12: Positioning Your Projector

    Purchase the BenQ Projector Ceiling Note that a special rear projection screen and the Mount Kit from your dealer to mount your BenQ Projector Ceiling Mount Kit are required projector on the ceiling. for this installation location. After turning on the projector, go to Basic Menu - Settings > Projector Installation, press OK and press to select a setting.

  • Page 13: Obtaining A Preferred Projected 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 16:9 Screen diagonal Screen Center of lens Projection distance •...

  • 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

    Ceiling/Wall mount installation diagram Ceiling/Wall mount screw hole: M4 x 8 mm 113.54 Unit: mm 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 16 Fine-tuning the image size and clarity Adjust the projected image to the size that you Sharpen the image by rotating the focus ring. need using the zoom ring. Correcting keystone Keystoning refers to the situation where the projected image becomes a trapezoid due to angled projection.

  • 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. Notebook or desktop computer A/V device HDMI cable VGA cable/Component...

  • Page 18: 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 QCast Mirror) Connect the dongle to HDMI and USB TYPE-A ports on the projector and switch the input signal to HDMI 1.

  • Page 19: Operation

    Operation Installing the QS01 Android TV dongle Follow the illustrations below to install QS01 Android TV dongle before use. Make sure that the dongle cover is installed back correctly after the dongle is plugged. Do not turn the power on with the dongle cover open.
  • Page 20 The Setup Wizard screenshots below are for reference only and may differ from the actual design. Step 1: Specify Projector Position. For more information about projector position, see Choosing a location. Step 2: Specify OSD Language. Step 3: Specify Auto Vertical Keystone. For more information about vertical keystone, see Correcting...

  • Page 21: Qs01 Android Tv Setup

    4. If you are prompted for a password, press the arrow keys to enter a 6-digit password. See Utilizing the password function on page 5. Switch all of the connected equipment on. The projector will search for input signals. The current input signal being scanned appears. If the projector does not detect a valid signal, the message “No Signal”...
  • Page 22 Step 2: Set up your device There are 3 options to set up your device: • Quick Setup using an Android phone • Using your phone or computer Operation...
  • Page 23 • Using your remote control Step 3: Display Android TV home screen For more information, visit https://support.google.com/androidtv/ Operation...

  • Page 24: 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 25: Securing The Projector

    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 26 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 27: 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 28: 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 29 0~50~100 Contrast 0~50~100 Color 0~50~100 Tint 0~50~100 Sharpness 0~7~15 Gamma 1.6/1.8/2.0/2.1/2.2/2.3/2.4/2.6/2.8/ Selection BenQ HDR Brightness -2~0~2 Preset (Normal/Cool/Lamp Native/ Warm) Red Gain (0~200) Green Gain (0~200) Color Temperature Blue Gain (0~200) Red Offset (0~511) PICTURE Green Offset (0~511) Blue Offset (0~511)
  • Page 30 Main menu Sub-menu Options Standard/Cinema/Music/Game/ Effect Mode Sport/User Sound Mode User EQ 100Hz/300Hz/1kHz/3kHz/10kHz Mute On/Off SOUND Volume 0~10~20 Power On/Off On/Off Ring Tone Reset Audio Reset/Cancel Settings Aspect Ratio Auto/4:3/16:9/16:10 Off/Light Yellow/Pink/ Wall Color Light Green/Blue Image Position Overscan 0~1~3 Adjustment H.
  • Page 31 Main menu Sub-menu Options Language Background Color Black/Blue/Purple Splash Screen BenQ/Black/Blue Front/Front Ceiling/Rear Projector Position Rear Ceiling SYSTEM SETUP: Disable/5 min/10 min/15 min/ Auto Off BASIC 20 min/25 min/30 min Direct Power On On/Off Menu Type Basic/Advanced Center/Top-Left/Top-Right/ Menu Position...
  • Page 32 Main menu Sub-menu Options Source Picture Mode Resolution Color System INFORMATION Light Usage Time 3D Format Firmware Version Service Code Menu operation...

  • Page 33: Basic Menu

    Basic menu 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 (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 35: 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 36 There are 2 user-definable modes if the current available picture modes are not suitable for your need. You can use one of the picture modes (except the User 1/User 2) as a starting point and customize the settings. 1. Go to Picture > Picture Mode. 2.
  • Page 37 • 2.2/2.3: Increases the average brightness of the picture. Best for a lit environment, meeting room or family room. • 2.4: Best for viewing movies in a dark environment. • 2.6/2.8/BenQ: Best for viewing movies which are mostly composed of dark scenes. High Brightness Low Brightness...
  • Page 38 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 39 LumiExpert • LumiExpert: When this function is enabled, the projector actively detects the ambient light conditions and automatically adjusts balanced visual brightness to create an optimum viewing experience. This function is not available when the Picture Mode is Bright, 3D, or HDR10/HLG. •...
  • Page 40 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 41 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 42 System Setup : Advanced • Reset Light Timer: See Timing of replacing the lamp on page 47 for light replacement and resetting the light timer. Light Settings • Light Usage Time: Displays the number of hours the light has been used. •...
  • Page 43 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–30°C. 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.
  • Page 44 Information • Source: Shows the current signal source. • Picture Mode: Shows the selected mode in the Picture menu. • Resolution: Displays the native resolution of the input source. • Color System: Shows input system format. Information • Light Usage Time: Shows the number of hours the light has been used. •...

  • Page 45: 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 46: Lamp Information

    Lamp information Getting to know the lamp hour When the projector is in operation, the duration (in hours) of lamp usage is automatically calculated by the built-in timer. The method of calculating the equivalent lamp hour is as follows: 1. Light Usage Time = (x+y+z+a) hours, if: Time used in Normal mode = x hours Time used in Eco mode = y hours Time used in SmartEco mode = z hours...
  • Page 47 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. It is strongly recommended that you replace the lamp at this Replace Lamp Soon age.
  • Page 48 Replace Lamp Now Lamp>XXXX Hours Order a new lamp at www.benq.com Lamp usage time exceeded The lamp MUST be replaced before the projector will operate normally. Press to dismiss the message. Out of Lamp Usage Time Replace lamp (Refer to user manual) Then reset lamp timer Order a new lamp at www.benq.com...
  • Page 49 Indicators Light Status & Description Power events Stand-by mode Powering up Normal operation Normal power-down cooling Download CW start fail Light source life exhausted 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 50: 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 51: Specifications

    RS-232 serial control 30°C@ 0~12,200m above sea level 9 pin x 1 Transporting IR receiver x 2 Original packing or equivalent is recommended Repairing Please visit below website and choose your country to find your service contact window. http://www.benq.com/welcome Specifications...

  • Page 52: Dimensions

    Dimensions 312 mm (W) x 241 mm (D) x 110 mm (H) Unit: mm Specifications...

  • Page 53: Timing Chart

    84.997 68.667 94.500 XGA_120 (Reduce 119.989 97.551 115.5 Blanking) 1152 x 864 1152 x 864_75 75.00 67.500 108.000 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 54 84.997 68.667 94.500 XGA_120 (Reduce 119.989 97.551 115.5 Blanking) 1152 x 864 1152 x 864_75 75.00 67.500 108.000 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 55 Video timings Supported 3D format Vertical Horizontal Pixel Timing Resolution Frequency Frequency Frequency Frame Frame Side-by-Side (Hz) (kHz) (MHz) Sequential Packing Bottom 480i 720(1440) x 480 59.94 15.73 480p 720 x 480 59.94 31.47 576i 720(1440) x 576 15.63 576p 720 x 576 31.25 720/50p...

  • Page 56: Rs232 Command

    RS232 command RS232 pin assignment Serial Serial RTSZ CTSZ Function Type Operation ASCII Write Power On <CR>*pow=on#<CR> Power Write Power off <CR>*pow=off#<CR> Read Power Status <CR>*pow=?#<CR> Write COMPUTER/YPbPr <CR>*sour=RGB#<CR> Write HDMI(MHL) <CR>*sour=hdmi#<CR> Source Selection Write HDMI 2 <CR>*sour=hdmi2#<CR> Read Current source <CR>*sour=?#<CR>...
  • Page 57 Function Type Operation ASCII Write Contrast + <CR>*con=+#<CR> Write Contrast - <CR>*con=-#<CR> Write Set Contrast value <CR>*con=value#<CR> Read Contrast value <CR>*con=?#<CR> Write Brightness + <CR>*bri=+#<CR> Write Brightness - <CR>*bri=-#<CR> Write Set Brightness value <CR>*bri=value#<CR> Read Brightness value <CR>*bri=?#<CR> Write Color + <CR>*color=+#<CR>...
  • Page 58 Function Type Operation ASCII Write Auto <CR>*auto#<CR> Write Brilliant color on <CR>*BC=on#<CR> Write Brilliant color off <CR>*BC=off#<CR> Read Brilliant color status <CR>*BC=?#<CR> Write Reset picture settings <CR>*rstpicsetting#<CR> Write Projector Position-Front Table <CR>*pp=FT#<CR> Write Projector Position-Rear Table <CR>*pp=RE#<CR> Write Projector Position-Rear Ceiling <CR>*pp=RC#<CR>...
  • Page 59 Function Type Operation ASCII Read Model Name <CR>*modelname=?#<CR> Read System F/W Version <CR>*sysfwversion=?#<CR> Read Scaler F/W Version <CR>*scalerfwversion=?#<CR> Read MCU F/W Version <CR>*mcufwversion=?#<CR> Read Ballast F/W Version <CR>*ballastfwversion=?#<CR> Write Blank On <CR>*blank=on#<CR> Write Blank Off <CR>*blank=off#<CR> Read Blank Status <CR>*blank=?#<CR> Write Menu On <CR>*menu=on#<CR>...

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