BenQ TH685 User Manual
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BenQ TH685 User Manual

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Digital Projector
User Manual
Home Entertainment Series I TH685
V 1.00

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  • Page 1 Digital Projector User Manual Home Entertainment Series I TH685 V 1.00...

  • Page 2: Warranty And Copyright Information

    For other information, please visit www.BenQ.com. Copyright Copyright © 2019 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 ....................11 Choosing a location ..........................11 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 •...

  • Page 8: Projector Exterior View

    Projector exterior view 1. Focus ring and Zoom ring 11. HDMI 2 input port 2. Vent (air exhaust) 12. HDMI 1 input port 3. Adjuster feet 13. USB Type A port 4. Projection lens 14. RGB (PC) signal input jacks 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 12. PIC MODE Displays the source selection bar. Selects the picture mode. 7. ECO BLANK Used to hide the screen picture. Toggles projector audio between on and off. Do not block the projection lens from 14. MHL Zone projecting as this could cause the blocking This model does not support MHL functions.

  • Page 11: 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 12: 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 13: 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 14: Adjusting The Projected Image

    Ceiling/Wall mount installation diagram Ceiling/Wall mount screw: M4 (Max L = 25 mm; Min L = 20 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 15 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 16: 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 Monitor VGA cable...

  • Page 17: 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 or HDMI 2.

  • Page 18: 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 19 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 20: 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 21: 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 22 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 23: 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 HDMI 1 menu is On if you want the projector to automatically search for the signals.

  • Page 24: 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 25 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 26 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 27 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 28 Main menu Sub-menu Options Source Picture Mode Resolution Color System INFORMATION Light Usage Time 3D Format Firmware Version Service Code Menu operation...

  • Page 29: 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 30 (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 31: 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 32 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 33 • 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 34 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 35 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 or 3D. •...
  • Page 36 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 37 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 38 System Setup : Advanced • Reset Light Timer: See Resetting the light timer on page Light Settings • Light Usage Time: Displays the number of hours the light has been used. • HDMI Range Sets the HDMI Range to Auto, Full, or Limited. •...
  • Page 39 With the control keys on the projector locked, you can prevent your projector settings from being changed accidentally (by children, for example). When you select On to enable this function, no control keys on the projector will Key Lock function, except POWER.

  • Page 40: 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 41: 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 Economic mode = y hours Time used in SmartEco mode = z hours...
  • Page 42 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 43 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 44 4. Disconnect the lamp connector. 5. Loosen the screw(s) that secure the inner lamp. 6. Lift the handle so that it stands up. 7. Use the handle to slowly pull the lamp out of the projector. • Pulling it too quickly may cause the lamp to break and scatter broken glass in the projector.
  • Page 45 Resetting the light timer 15. After the startup logo, open the On-Screen Display (OSD) menu. Go to Light Settings Menu - System Setup : Advanced > Light Settings and press OK. The Light Settings page appears. Highlight Reset Light Timer and press OK. A warning message is displayed asking if you want to reset the lamp timer.
  • Page 46 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 47: 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 48: Specifications

    Original packing or equivalent is recommended Type-A power supply 5V / 2.5 A x 1 Repairing RS-232 serial control Please visit below website and choose your country to 9 pin x 1 find your service contact window. IR receiver x 2 http://www.benq.com/welcome Specifications...

  • Page 49: Dimensions

    Dimensions 312 mm (W) x 225 mm (D) x 110 mm (H) Unit: mm Specifications...

  • Page 50: 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 51 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 52 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 53: 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 54 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 55 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 56 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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