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BenQ TH671ST, User Manual

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BenQ TH671ST User Manual Download Page 42

42 Maintenance 

 

13. Tighten the screw that secures the lamp cover.

14. .Connect the power and restart the projector.

Resetting the lamp timer

15. After the startup logo, open the On-Screen Display 

(OSD) menu. Go to 

Advanced Menu - System Setup : Advanced

 > 

Lamp Settings

 and 

press 

OK

. The 

Lamp Settings

 page appears. Highlight 

Reset Lamp Timer

 and press 

OK

. A 

warning message is displayed asking if you want to reset the lamp timer. Highlight 

Reset

 and press 

OK

. The lamp time will be reset to “0”.

• Loose screw may cause a bad connection, which could 

result in malfunction.

• Do not over tighten the screw.

Do not reset if the lamp is not new or replaced as this could cause damage.

Summary of Contents for TH671ST

Page 1: ...TH671ST Digital Projector User Manual V 1 02 ...

Page 2: ...have other rights which vary from country to country 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...

Page 3: ...ed projected image size 13 Mounting the projector 14 Adjusting the projected image 15 Connection 17 Operation 19 Starting up the projector 19 Using the menus 21 Securing the projector 23 Switching input signal 25 Shutting down the projector 26 Direct power off 26 Menu operation 27 Basic menu 27 Advanced menu 30 Maintenance 38 Care of the projector 38 Lamp information 38 Troubleshooting 44 Specific...

Page 4: ...ot during operation Allow the projector to cool for approximately 45 minutes prior to removing the lamp assembly for replacement 6 In some countries the line voltage is NOT stable This projector is designed to operate safely within a mains voltage between 100 to 240 volts AC but could fail if power cuts or surges of 10 volts occur In areas where the mains voltage may fluctuate or cut out it is rec...

Page 5: ...jector with a cloth or any other item Do not place inflammables near the projector If the ventilation holes are seriously obstructed overheating inside the projector may result in a fire 13 Always place the projector on a level horizontal surface during operation 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 Using the proj...

Page 6: ...s Space that is poorly ventilated or confined Allow at least 50 cm clearance from walls and free flow of air around the projector Locations where temperatures may become excessively high such as the inside of a car with all windows rolled up Locations where excessive humidity dust or cigarette smoke may contaminate optical components shorten the projector s life span and darken the image Locations...

Page 7: ...er from those illustrated The warranty card is only supplied in some specific regions Please consult your dealer for detailed information 1 Spare lamp kit 2 3D glasses 3 Dust filter 4 Wireless dongles QCast QCast Mirror 5 Wireless kit WDP02 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 onl...

Page 8: ...mp cover 8 Ambient Light Sensor ALS 9 Vent air inlet 10 Audio input jack Audio output jack 11 HDMI 1 input port 12 HDMI 2 MHL input port for HDMI dongle 13 USB Type A port 14 RGB PC signal input jack 15 RGB PC signal output jack 16 RS 232 control port 17 USB Mini B port 18 AC power jack 19 Kensington anti theft lock slot 20 Wall mount holes 7 8 6 18 19 20 20 20 9 3 3 3 3 5 4 1 11 12 14 13 17 15 16...

Page 9: ...sor 4 BACK Goes back to previous OSD menu exits and saves menu settings 5 Arrow keys When the On Screen Display OSD menu is activated these keys are used as directional arrows to select the desired menu items and to make adjustments Keystone keys Displays the keystone correction page Volume keys Decreases or increase the projector volume 2 9 7 6 8 5 1 3 4 10 All the key presses described in this d...

Page 10: ... item 9 AUTO Automatically determines the best picture timings for the displayed image when PC signal analog RGB is selected 10 MENU Turns on the On Screen Display OSD menu 11 Displays the keystone menu 12 PIC MODE Selects the picture mode 13 Toggles projector audio between on and off 14 MHL Zone Controls video or audio playback under MHL source 15 SOUND MODE Selects the sound mode 16 LUMIEXPERT B...

Page 11: ...he 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 When the projector is un...

Page 12: ...ion with the projector placed on the table in front of the screen This is the most common way to position the projector for quick setup and portability 2 Rear Select this location with the projector placed on the table behind the screen Note that a special rear projection screen is required 3 Front Ceiling Select this location with the projector suspended upside down in front of the screen Purchas...

Page 13: ... Inch mm max zoom min zoom 60 1524 747 1328 917 1009 1102 19 70 1778 872 1550 1069 1178 1286 22 80 2032 996 1771 1222 1346 1470 25 90 2286 1121 1992 1375 1514 1654 28 100 2540 1245 2214 1528 1682 1837 31 110 2794 1370 2435 1680 1851 2021 34 120 3048 1494 2657 1833 2019 2205 37 140 3556 1743 3099 2139 2355 2572 44 160 4064 1992 3542 2444 2692 2940 50 180 4572 2241 3985 2750 3028 3307 56 All measure...

Page 14: ...e projector should its attachment to the mounting bracket become loose Ask your dealer to install the projector for you Installing the projector on your own may cause it to fall and result in injury Take necessary procedures to prevent the projector from falling off such as during an earthquake The warranty doesn t cover any product damage caused by mounting the projector with a non BenQ brand pro...

Page 15: ...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 To retract the feet screw the adjuster feet in a reverse direction Do not look into the lens while the lamp is on The strong light from the lamp may cause damage to your eyes ...

Page 16: ...ng refers to the situation where the projected image becomes a trapezoid due to angled projection To correct this you will need to manually correct it following these steps 1 Do one of the following steps to display the keystone correction page Press on the projector Press on the remote control 2 After the Keystone correction page displays Press to correct keystoning at the top of the image Press ...

Page 17: ...when connected to a projector Usually a key combo like FN function key with a monitor symbol turns the external display on off Press FN and the labeled function key simultaneously Refer to your notebook s documentation to find your notebook s key combination If the selected video image is not displayed after the projector is turned on and the correct video source has been selected check that the v...

Page 18: ...ted in home theater or home cinema applications Any stereo audio input if provided is mixed into a common mono audio output through the projector speaker s The built in speaker s will be muted when the AUDIO OUT jack is connected Terminal Picture quality HDMI MHL Better PC Good The projector is only capable of playing mixed mono audio even if a stereo audio input is connected If the selected video...

Page 19: ...ing to adjust the image clearness 3 If this is the first time you turn on the projector the setup wizard appears to guide you through setting up the projector If you have already done this skip this step and move on to step 5 Use the arrow keys on the projector or remote control to move through the menu items Use OK to confirm the selected menu item The Setup Wizard screenshots below are for refer...

Page 20: ...tep 5 Specify Menu Type For more information about menu types see Using the menus Now you ve completed the initial setup Please use the original accessories e g power cord to avoid possible dangers such as electric shock and fire If the projector is still hot from previous activity it will run the cooling fan for approximately 90 seconds before energizing the lamp The Setup Wizard screenshots are ...

Page 21: ...D menu follow the instructions below 1 Go to Basic Menu Settings Menu Type and press OK 2 Press to select Advanced and press OK Your projector will switch to Advanced OSD menu Below is the overview of the Advanced OSD menu The OSD screenshots below are for reference only and may differ from the actual design Input signal connected No input signal connected Picture Mode Vivid TV Sound Mode Standard...

Page 22: ...h 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 Your projector will switch to the Basic OSD menu ...

Page 23: ...urns to the Password page 5 To activate the Power On Lock function press to highlight Power On Lock and press to select On Input the password again If you forget the password If you enter the wrong password the password error message will appear and the Input Current Password message follows If you absolutely do not remember the password you can use the password recall procedure See Entering the p...

Page 24: ...assword 5 Confirm the new password by re entering the new password Disabling the password function To disable password protection go to Advanced Menu System Setup Advanced Password Power On Lock and press to select Off The message Input Current Password appears Enter the current password If the password is correct the OSD menu returns to the Security Settings page You will not have to enter the pa...

Page 25: ...selected and press OK Once detected the selected source information will appear at the corner of the screen for seconds If there is multiple equipment connected to the projector repeat steps 1 2 to search for another signal The brightness level of the projected image will change accordingly when you switch between different input signals For best display picture results you should select and use a...

Page 26: ... power off The AC power cord can be pulled out right after the projector is turned off To protect the lamp wait about 10 minutes before re starting the projector If you attempt to re start the projector the fans may run for a few minutes to cool down In such cases press or again to start the projector after the fans stop and the power indicator turns orange To protect the lamp the projector will n...

Page 27: ... With well balanced color saturation and contrast with a low brightness level this is most suitable for enjoying movies in a totally dark environment as you would find in a commercial cinema Sport This mode is best for watching sporting events in rooms where is a small amount of ambient light et your living room Game This mode is best for playing video games in rooms where there is a small amount ...

Page 28: ...reases The Picture Mode cannot be adjusted The Vertical Keystone can only be adjusted within limited degrees The function is accessible through the remote control 3D Sync Invert When your 3D image is distorted enable this function to switch between the image for the left eye and the right eye for comfortable 3D viewing experience The function is accessible through the remote control Settings Press...

Page 29: ...et Lamp Timer and High Altitude Mode Information Displays the following information about your projector Source Displays the current signal source Picture Mode Displays the current Picture Mode Resolution Displays the native resolution of the input source Color System Displays input system format Lamp Usage Time Displays the number of hours the lamp has been used 3D Format Displays the current 3D ...

Page 30: ...ailable picture modes See User Mode Management on page 30 User Mode Management 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 Press to select User 1 or User 2 3 Press to highlight User Mode Management and...

Page 31: ... 6 1 8 2 0 2 1 Select these values according to your preference 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 Best for viewing movies which are mostly composed of dark scenes Color Temperature There are several preset color temperature settings available The available settings...

Page 32: ... be overpowering and unrealistic Gain Adjusts the values to your preference The contrast level of the primary color you select will be affected Every adjustment made will reflect to the image immediately Noise Reduction Reduces electrical image noise caused by different media players The higher the value the less the noise Brilliant Color This function utilizes a new color processing algorithm and...

Page 33: ...nd User The User mode allows you to personalize the sound settings When selecting the User mode you may make manual adjustments with the User EQ function If the Mute function is activated adjusting Sound Mode will turn off the Mute function User EQ Select desired frequency bands 100 Hz 300 Hz 1k Hz 3k Hz and 10k Hz to adjust the levels according to your preference The settings made here define the...

Page 34: ... be white the Wall Color feature can help correct the projected picture s colors to prevent possible color difference between the source and projected pictures There are several precalibrated colors to choose from Light Yellow Pink Light Green and Blue Image Position Displays the Image Position window You may use the directional arrow keys on the projector or remote control to adjust the position ...

Page 35: ...ground Color Sets the background color for the projector Splash Screen Allows you to select which logo screen will be displayed during projector start up Projector Position See Choosing a location on page 12 Auto Off Allows the projector to turn off automatically if no input signal is detected after a set period of time to prevent unnecessary waste of lamp life Direct Power On Allows the projector...

Page 36: ...itions excluding the above it may display auto shut down symptoms which is designed to protect your projector from over heating In cases like this you should switch to High Altitude mode to solve these symptoms However this is not to state that this projector can operate under any and all harsh or extreme conditions Do not use the High Altitude Mode if your altitude is between 0 m and 1500 m and a...

Page 37: ...more details Reset All Settings Returns all settings to the factory preset values The following settings will still remain Picture Keystone Language Projector Position Menu Type Password Key Lock Reset Lamp Timer and High Altitude Mode 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 s...

Page 38: ...th water and a neutral pH detergent Then wipe the case Storing the projector If you need to store the projector for an extended time please follow the instructions below Make sure the temperature and humidity of the storage area are within the recommended range for the projector Please refer to Specifications on page 45 or consult your dealer about the range Retract the adjuster feet Remove the ba...

Page 39: ...r and in some instances the lamp may explode The following Lamp warning displays will remind you to change the lamp Lamp mode Description Normal Provides full lamp brightness Economic Lowers brightness to extend the lamp life and decreases the fan noise SmartEco Adjusts the lamp power automatically depending on the content brightness level while optimizing display quality LampSave Adjusts the lamp...

Page 40: ...mp To reduce the risk of injuries to fingers and damage to internal components use caution when removing lamp glass that has shattered into sharp pieces To reduce the risk of injuries to fingers and or compromising image quality by touching the lens do not touch the empty lamp compartment when the lamp is removed This lamp contains mercury Consult your local hazardous waste regulations to dispose ...

Page 41: ...on 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 Pulling it too quickly may cause the lamp to break and scatter broken glass in the projector Do not place the lamp in locations where water might splash on it children can reach it or near flammable materials Do not...

Page 42: ...Setup Advanced Lamp Settings and press OK The Lamp Settings page appears Highlight Reset Lamp Timer and press OK A warning message is displayed asking if you want to reset the lamp timer Highlight Reset and press OK The lamp time will be reset to 0 Loose screw may cause a bad connection which could result in malfunction Do not over tighten the screw Do not reset if the lamp is not new or replaced ...

Page 43: ...tdown 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 Temperature 1 error over limited temperature Off Orange On Green On Red On Orange Flashing Green Flashing Red Flashing ...

Page 44: ...al has not been correctly selected Select the correct input signal with the SOURCE key The lens cover is still closed Open the lens cover Blurred image Cause Remedy The projection lens is not correctly focused Adjust the focus of the lens using the focus ring The projector and the screen are not aligned properly Adjust the projection angle and direction as well as the height of the projector if ne...

Page 45: ...x 1 RS 232 serial control 9 pin x 1 IR receiver x 2 Input terminals Computer input RGB input D Sub 15 pin female x 1 Video signal input SD HDTV signal input Digital HDMI x 1 HDMI MHL x 1 Audio signal input Audio in PC audio jack x 1 Environmental Requirements Operating temperature 0 C 40 C at sea level Operating relative humidity 10 90 without condensation Operating altitude 0 1499 m at 0 C 35 C 1...

Page 46: ...46 Specifications Dimensions 296 mm W x 120 mm H x 224 mm D 296 224 120 Unit mm ...

Page 47: ...419 1280 x 720 1280 x 720_60 60 45 000 74 250 V V V 1280 x 768 1280 x 768_60 59 87 47 776 79 5 V V V 1280 x 800 WXGA_60 59 810 49 702 83 500 V V V WXGA_75 74 934 62 795 106 500 WXGA_85 84 880 71 554 122 500 WXGA_120 Reduce Blanking 119 909 101 563 146 25 V 1280 x 1024 SXGA_60 60 020 63 981 108 000 V V SXGA_75 75 025 79 976 135 000 SXGA_85 85 024 91 146 157 500 1280 x 960 1280 x 960_60 60 000 60 00...

Page 48: ...1280 x 720_60 60 45 000 74 250 V V V 1280 x 768 1280 x 768_60 59 870 47 776 79 5 V V V 1280 x 800 WXGA_60 59 810 49 702 83 500 V V V WXGA_75 74 934 62 795 106 500 WXGA_85 84 880 71 554 122 500 WXGA_120 Reduce Blanking 119 909 101 563 146 25 V 1280 x 1024 SXGA_60 60 020 63 981 108 000 V V SXGA_75 75 025 79 976 135 000 SXGA_85 85 024 91 146 157 500 1280 x 960 1280 x 960_60 60 000 60 000 108 V V 1280...

Page 49: ...P 1920 x 1080 24 27 74 25 V V V 1080 25P 1920 x 1080 25 28 13 74 25 1080 30P 1920 x 1080 30 33 75 74 25 1080 50P 1920 x 1080 50 56 25 148 5 V V 1080 60P 1920 x 1080 60 67 5 148 5 V V Timing Resolution Vertical Frequency Hz Horizontal Frequency kHz Pixel Frequency MHz 480i 720 1440 x 480 59 94 15 73 27 480p 720 x 480 59 94 31 47 27 576i 720 1440 x 576 50 15 63 27 576p 720 x 576 50 31 25 27 720 50p ...

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