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MH740
Digital Projector

User Manual

Summary of Contents for MH740

Page 1: ...MH740 Digital Projector User Manual ...

Page 2: ...r 26 Utilizing the password function 26 Switching input signal 29 Magnifying and searching for details 30 Selecting the aspect ratio 30 Optimizing the image 32 Setting the presentation timer 35 Remote paging operations 36 Freezing the image 37 Hiding the image 37 Locking control keys 37 Operating in a high altitude environment 38 Adjusting the sound 38 Using the test pattern 39 Using the teaching ...

Page 3: ...ualified service personnel 4 Always open the lens shutter or remove the lens cap when the projector lamp is on 5 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 recommended that you ...

Page 4: ...plugged 10 Do not place this product on an unstable cart stand or table The product may fall sustaining serious damage 11 Do not attempt to disassemble this projector There are dangerous high voltages inside which may cause death if you should come into contact with live parts The only user serviceable part is the lamp which has its own removable cover Under no circumstances should you ever undo o...

Page 5: ...es are higher than 3000 m 10000 feet 14 Do not block the ventilation holes Do not place this projector on a blanket bedding or any other soft surface Do not cover this projector 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 15 Always place the projector on a level h...

Page 6: ...r attention to prevent possible damage to person and property If you intend to mount your projector on the ceiling we strongly recommend that you use a proper fitting BenQ projector ceiling mount kit and that you ensure it is securely and safely installed If you use a non BenQ brand projector ceiling mount kit there is a safety risk that the projector may fall from the ceiling due to an improper a...

Page 7: ...the keypad or remote control to show the best picture quality immediately Built in 5W speaker s Built in 5W speaker s providing mixed mono audio when an audio input is connected Quick Cooling Auto Power Off Signal Power On Direct Power On Quick Cooling function speeds up the cooling process when turning off the projector Auto Power Off function allows the projector to turn off automatically if no ...

Page 8: ...ies will be suitable for your region and may differ from those illustrated Optional accessories The warranty card is only supplied in some specific regions Please consult your dealer for detailed information Projector Remote control with battery Power cord VGA cable Quick start guide User manual CD Warranty card 1 Spare lamp kit 2 Ceiling mount kit 3 Soft Carry Case 4 RS232 Cable Digita l Proje ct...

Page 9: ...11 COMPUTER 1 input jack 12 COMPUTRR 2 input jack 13 HDMI 1 input jack 14 HDMI 2 input jack 15 12V TRIGGER input jack 16 Kensington anti theft lock slot 17 Rear adjuster foot 18 Audio speaker 19 Rear IR remote sensor 20 VIDEO input jack 21 S VIDEO input jack 22 Audio L R input jack 23 RS 232 control port 24 Audio input output jack 25 Quick release foot 26 RJ45 LAN input jack 27 AC power cord inlet...

Page 10: ...Introduction 10 28 Celling mount holes 29 Rear adjuster foot Bottom side 28 29 28 28 ...

Page 11: ...ng keystone on page 24 for details 13 LAMP indicator light Indicates the status of the lamp Lights up or flashes when the lamp has developed a problem See Indicators on page 59 for details 14 TEMPerature indicator light Lights up red if the projector s temperature becomes too high See Indicators on page 59 for details 1 FOCUS ZOOM Ring Used to adjust the projected image appearance See Fine tuning ...

Page 12: ...ys the Network Settings OSD menu 12 Numeric buttons Enters numbers in network settings Numeric buttons 1 2 3 4 cannot be pressed when asked to enter password 13 NETWORK Selects Network Display as the input signal source 14 AUTO Automatically determines the best picture timings for the displayed image 15 Right Increases the projector volume When the On Screen Display OSD menu is activated the 3 5 a...

Page 13: ...on aid for professionals It emits a beam of red light when you press it The laser beam is visible It is necessary to press and hold LASER for continuous output Do not look into the laser light window or shine the laser light beam on yourself or others See the warning messages on the back of the remote control prior to using it The laser pointer is not a toy Parents should be mindful of the dangers...

Page 14: ... held at an angle within 30 degrees perpendicular to the projector s IR remote control sensor to function correctly The distance between the remote control and the sensor should not exceed 8 meters 26 feet Make sure that there are no obstacles between the remote control and the IR sensor on the projector that might obstruct the infra red beam Approx 30 Approx 30 ...

Page 15: ...e goes to negative 3 Refit the cover by aligning it with the base and sliding it back down into position Stop when it clicks into place Avoid excessive heat and humidity There may be battery damage if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by the battery manufacturer Dispose of the used battery according to the battery manufacturer s instructi...

Page 16: ... projector placed on a table behind the screen Note that a special rear projection screen is required Set Rear Table in the SYSTEM SETUP Basic Projector Installation menu after you turn the projector on 3 Front Ceiling Select this location with the projector suspended upside down from the ceiling in front of the screen Purchase the BenQ Projector Ceiling Mounting Kit from your dealer to mount your...

Page 17: ...reen size Distance from screen mm Offset mm Diagonal Width Height Min Dis tance Average Max Dis tance A mm Wide mode inch mm mm mm 50 1270 1107 623 1547 1930 2313 93 60 1524 1328 747 1857 2317 2776 112 70 1778 1550 872 2166 2703 3239 131 80 2032 1771 996 2476 3089 3701 149 90 2286 1992 1121 2785 3475 4164 168 100 2540 2214 1245 3095 3861 4627 187 110 2794 2435 1370 3404 4247 5090 205 120 3048 2657...

Page 18: ...ng the actual projector before you permanently install it so as to make allowance for this projector s optical characteristics This will help you determine the exact mounting position so that it best suits your installation location 250 6350 5535 3113 7737 9652 11567 467 300 7620 6641 3736 9285 11583 13881 560 Screen size Distance from screen mm Offset mm Diagonal Width Height Min Dis tance Averag...

Page 19: ...Many notebooks do not turn on their external video ports when connected to a projector Usually a key combo like FN F3 or CRT LCD key turns the external display on off Locate a function key labeled CRT LCD or a function key with a monitor symbol on the notebook Press FN and the labeled function key simultaneously Refer to your notebook s documentation to find your notebook s key combination 1 VGA c...

Page 20: ...tereo audio reproduction use as might be expected 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 The built in speaker will be muted when the AUDIO OUT jack is connected The projector is only capable of playing mixed mono audio even if a stereo audio input is connected See Connecting audio on page...

Page 21: ...able below describes the connection methods for different devices and where the sound is from Device Computer PC Component S Video Video HDMI 1 2 Audio input port AUDIO IN mini jack AUDIO L R HDMI The projector can play the sound from AUDIO IN mini jack AUDIO L R HDMI Audio output port AUDIO OUT AUDIO OUT AUDIO OUT The selected input signal determines which sound will be played by the projector sp...

Page 22: ...zing the lamp 4 To use the OSD menus please set them to your familiar language first 5 If you are prompted for a password press the arrow keys to enter a five digit password See Utilizing the password function on page 26 for details 6 Switch all of the connected equipment on 7 The projector will start to search for input signals The current input signal being scanned displays in the upper left cor...

Page 23: ...screen and the projector are not perpendicular to each other the projected image becomes trapezoidal To correct this situation see Correcting keystone on page 24 for details Do not look into the lens while the lamp is on The strong light from the lamp may cause damage to your eyes Be careful when you press the adjuster button as it is close to the exhaust vent where hot air comes from Auto adjusti...

Page 24: ...rol Press on the projector or remote control to display the Keystone correction page Press to correct keystoning at the top of the image Press to correct keystoning at the bottom of the image Using the OSD menu 1 Press MENU EXIT and then press until the Display menu is highlighted 2 Press to highlight Keystone and press MODE ENTER The Keystone correction page displays 3 Press to correct keystoning...

Page 25: ...rrent input signal Main menu icon Main menu Sub menu Highlight Press MENU EXIT to the previous page or to exit Status Wall Color Aspect Ratio Keystone Phase H Size Digital Zoom 3D Off 15 0 ENTER MENU Exit S VIDEO Position Auto DISPLAY Teaching Template Display Wall Color Aspect Ratio Position Phase H Size Digital Zoom Auto MENU Exit Keystone 15 0 S VIDEO 3D Off Teaching Template ENTER System Setup...

Page 26: ...word is entered every time the projector is started 1 Open the OSD menu and go to the System Setup Advanced Security Settings menu Press MODE ENTER The Security Settings page displays 2 Highlight Change Security Settings and press MODE ENTER 3 As pictured to the right the four arrow keys respectively represent 4 digits 1 2 3 4 According to the password you desire to set press the arrow keys to ent...

Page 27: ...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 Changing the password 1 Open the OSD menu and go to the System Setup Advanced Security Settings Change password menu 2 Press MODE ENTER The message INPUT CURRENT PASSWORD displays 3 Enter the old password If the password is correct another message IN...

Page 28: ...ettings Press highlight Power On Lock and press to select Off You will not have to enter the password next time you turn on the projector Press to highlight Web Control Lock and press to select Off The Web Control Lock function is released and the projector settings can be change via the Projector Network System ii If the password is incorrect the password error message displays lasting for three ...

Page 29: ...tness level of the projected image will change accordingly when you switch between different input signals Data graphic PC presentations using mostly static images are generally brighter than Video using mostly moving images movies For best display picture results you should select and use an input signal which outputs at this resolution Any other resolutions will be scaled by the projector depend...

Page 30: ...e 5 To reduce size of the picture press MODE ENTER to switch back to the zoom in out functionality and press AUTO to restore the picture to its original size You can also press repeatedly until it is restored to the original size The picture can only be navigated after the picture is magnified You can further magnify the picture while searching for details Selecting the aspect ratio The aspect rat...

Page 31: ...way from the screen to increase the image size if necessary You may also need to refocus the projector after making these adjustments 3 4 3 Scales an image so that it is displayed in the center of the screen with a 4 3 aspect ratio This is most suitable for 4 3 images like computer monitors standard definition TV and 4 3 images aspect DVD movies as it displays them without aspect alteration 4 16 9...

Page 32: ...esentation mode Is designed for presentation The brightness is emphasized in this mode to match PC and notebook coloring 3 sRGB mode Maximizes the purity of RGB colors to provide true to life images regardless of brightness setting It is most suitable for viewing photos taken with an sRGB compatible and properly calibrated camera and for viewing PC graphic and drawing applications such as AutoCAD ...

Page 33: ...he lower the value the more greenish the picture becomes Adjusting Sharpness The higher the value the sharper the picture becomes The lower the value the softer the picture becomes Adjusting Brilliant Color 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 5...

Page 34: ...oduction should you require it Proper color management can only be achieved under controlled and reproducible viewing conditions You will need to use a colorimeter color light meter and provide a set of suitable source images to measure color reproduction These tools are not provided with the projector however your projector supplier should be able to provide you with suitable guidance or even an ...

Page 35: ...e will reflect to the image immediately 7 Repeat steps 3 to 6 for other color adjustments 8 Make sure you have made all of the desired adjustments 9 Press MENU EXIT to exit and save the settings Resetting current or all picture modes 1 Go to the Picture menu and highlight Reset Picture Settings 2 Press MODE ENTER and press to select Current or All Current returns current picture mode to the factor...

Page 36: ...on Timer menu and highlight Off Press MODE ENTER A confirmation message appears 2 Highlight Yes and press MODE ENTER to confirm You will see the message Timer is Off appearing on the screen Remote paging operations Connect the projector to your PC or notebook with a USB cable prior to using the paging function See Connection on page 19 for details You can operate your display software program on a...

Page 37: ...een The length of time can be set from 5 to 30 minutes in 5 minute increments If the preset time spans are not suitable for your presentation select Disable No matter Blank Timer is activated or disabled you can press most of the keys on the projector or remote control to restore the picture Do not block the projection lens from projecting as this could cause the blocking object to become heated a...

Page 38: ...esigned 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 Adjusting the sound The sound adjustments made as below will have an effect on the projector speakers Be sure you have made a correct connection to the projec...

Page 39: ...n off ring tone and press to select Off The only way to change Power on off ring tone is setting On or Off here Setting the sound mute or changing the sound level will not affect the Power on off ring tone Using the test pattern The projector is capable of displaying the grid test pattern It can be used to assist you with the adjustment of image size and focus ensuring that the projected image is ...

Page 40: ... you need 3 Press MODE ENTER to activate the pattern Using the quick install The projector provides a hot key to set Projector Installation Test Pattern and Keystone quickly Press Quick Install on the remote control and press to select Projector Installation See Positioning your projector on page 16 Test Pattern See Using the test pattern on page 39 Keystone See Correcting keystone on page 24 Teac...

Page 41: ... can also activate the Quick Cooling function See Quick Cooling on page 49 for details 3 Once the cooling process finishes a Power Off Ring Tone will be heard The POWER indicator light is a steady orange and fans stop Disconnect the power cord from the power outlet To turn off the power ring tone see Turning off the Power on off ring tone on page 39 for details If the projector is not properly shu...

Page 42: ...Real 4 3 16 9 16 10 Keystone Position Phase H size Digital zoom PC 1 0X 2 0X Video 1 0X 1 8X 3D 3D mode Auto Off Frame sequential Frame packing Top bottom Side by side 3D Sync Invert Disable Invert Save 3D Setting 3D Settings 1 3D Settings 2 3D Settings 3 Apply 3D Setting 3D Settings 1 3D Settings 2 3D Settings 3 Teaching Template Blackboard Off Letter Formation Worksheet Coordinate Chart Whiteboa...

Page 43: ...olor Tint Sharpness Brilliant Color On Off Color Temperature Cool Normal Warm Color Temperature Fine Tuning R Gain G Gain B Gain R Offset G Offset B Offset 3D Color Management Primary Color R G B C M Y Hue Saturation Gain Reset picture settings Current All Cancel 3 Source Quick Auto Search On Off Color Space Conversion Auto RGB YUV Main menu Sub menu Options ...

Page 44: ...c 10 sec 20 sec 30 sec Always Menu Position Center Top Left Top Right Bottom Right Bottom Left Reminder Message On Off Operation Setting Direct Power On On Off Signal Power On On Off Auto Power Off Disable 3 mins 10 mins 15 mins 20 mins 25 mins 30 mins Quick Cooling On Off Instant Restart On Off Blank Timer Disable 5 mins 10 mins 15 mins 20 mins 25 mins 30 mins Sleep Timer Disable 30 mins 1 hr 2 h...

Page 45: ...Change Security Settings Power On Lock Web Control Lock Baud Rate 2400 4800 9600 14400 19200 38400 57600 1152000 Test Pattern On Off Closed Caption Closed Caption Enable On Off Caption Version CC1 CC2 CC3 CC4 Standby Settings Network On Off Monitor Out On Off Audio Pass Through Off Computer 1 Computer 2 Video Svideo HDMI 1 HDMI 2 Network settings Wired LAN Status DHCP IP Address IP Address Default...

Page 46: ...Position Displays the position adjustment page To move the projected image use the directional arrow keys The values shown on the lower position of the page change with every key press you made until they reach their maximum or minimum This function is only available when a PC signal analog RGB is selected Phase Adjusts the clock phase to reduce image distortion This function is only available whe...

Page 47: ...eference Mode The Keystone can only be adjusted within limited degrees 3D Sync Invert When you discover the inversion of the image depth enable this function to correct the problem Save 3D Settings When you have successfully displayed the 3D contents after making the appropriate adjustments you can enable this function and choose a set of 3D settings to memorize current 3D settings Apply 3D Settin...

Page 48: ...with NTSC system is selected Tint Adjusts the red and green color tones of the image See Adjusting Tint on page 33 for details The function is only available when Video or S Video with NTSC system is selected Sharpness Adjusts the image to make it look sharper or softer See Adjusting Sharpness on page 33 for details The function is only available when Video or S Video with NTSC system is selected ...

Page 49: ...Sets whether to turn the projector directly on without pressing POWER or ON when the projector is in standby mode and the signal is feed through the VGA cable Auto Power Off Allows the projector to turn off automatically if no input signal is detected after a set period of time See Setting Auto Power Off on page 54 for details Quick Cooling Enables or disables the Quick Cooling function Selecting ...

Page 50: ...o Settings See Adjusting the sound on page 38 for details Lamp Settings Lamp Mode See Setting Lamp mode as Economic or SmartEco on page 54 for details Reset lamp timer See Resetting the lamp timer on page 58 for details Equivalent Lamp Hour See Getting to know the lamp hour on page 54 for details on how the total lamp hour is calculated Security Setting Change password You will be asked to enter t...

Page 51: ...language in your area Standby Settings Network Selecting On enables the function The projector is able to provide the network function when it is in standby mode Monitor Out Selecting On enables the function The projector can output a VGA signal when it is in standby mode and the COMPUTER 1 jack is correctly connected to devices See Connection on page 19 for how to make the connection Audio Pass T...

Page 52: ... the selected mode in the Picture menu Resolution Shows the native resolution of the input signal Lamp Mode Shows the current lamp mode 3D Format Shows the current 3D mode Color System Shows input system format NTSC PAL SECAM or RGB Equivalent Lamp Hour Displays the number of hours the lamp has been used Firmware Version Displays the firmware version of the projector FUNCTION DESCRIPTION ...

Page 53: ...n the case turn the projector off using the proper shutdown procedure as described in Shutting down the projector on page 41 and unplug the power cord To remove dirt or dust wipe the case with a soft lint free cloth To remove stubborn dirt or stains moisten a soft cloth with water and a neutral pH detergent Then wipe the case Never use wax alcohol benzene thinner or other chemical detergents These...

Page 54: ...duces system noise and power consumption by 30 Using SmartEco mode reduces system noise and lamp power consumption by up to 70 If the Economic or SmartEco mode is selected the light output will be reduced and result in darker projected pictures Setting the projector in Economic or SmartEco mode also extends the lamp operation life To set Economic or SmartEco mode go into the SYSTEM SETUP Advanced ...

Page 55: ...l a new lamp for optimal performance If the projector is normally run with Economic selected See Setting Lamp mode as Economic or SmartEco on page 54 you may continue to operate the projector until the next lamp warning appears Press MODE ENTER to dismiss the message It is strongly recommended that you replace the lamp at this age The lamp is a consumable item The lamp brightness diminishes with u...

Page 56: ...ouch the empty lamp compartment when the lamp is removed This lamp contains mercury Consult your local hazardous waste regulations to dispose of this lamp in a proper manner To assure optimal performance from the projector it is recommended that you purchase a BenQ projector lamp for lamp replacement Ensure good ventilation when handling broken lamps We recommend that you use respirators safety gl...

Page 57: ... into the projector after the lamp is removed If you touch the optical components inside it could cause color unevenness and distortion of the projected images 6 Insert the new lamp into the lamp compartment and make sure it fits in the projector Ensure the connectors are aligned If you experience resistance lift the lamp and start again 7 Tighten the screws that secure the lamp 8 Ensure the handl...

Page 58: ...TUP Advanced Lamp Settings menu Press MODE ENTER The Lamp Settings page displays Highlight Reset lamp timer A warning message displays asking if you want to reset the lamp timer Highlight Reset and press MODE ENTER The lamp time will be reset to 0 Do not reset if the lamp is not new or replaced as this could cause damage ...

Page 59: ...e start the projector it will shutdown again Please contact your dealer for assistance Red Red Off Red Red Orange Red Red Green Green Orange Off The internal temperature is too high The intake ventilation or the exhaust ventilation is blocked The projector may be in a poorly ventilated location The ambient temperature may be too high Green Orange Red Green Orange Orange Green Orange Green Green Re...

Page 60: ...ly connected to the input signal device Check the connection The input signal has not been correctly selected Select the correct input signal with the SOURCE key on the projector or remote control 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...

Page 61: ...tput PC audio jack x 1 Monitor Out D Sub 15 pin female x1 Control USB Type B RS 232 serial control 9 pin x 1 IR receiver x 2 12V TRIGGER 12VDC Max 0 5 A x 1 LAN control RJ45 x 1 Input terminals Computer input RGB input D Sub 15 pin female x 2 Video signal input S VIDEO Mini DIN 4 pin port x 1 VIDEO RCA jack x 1 SD HDTV signal input Digital HDMI x 2 Audio signal input Audio in PC audio jack x 1 RCA...

Page 62: ...Specifications 62 Dimensions 360 1 mm W x 119 9 mm H x 259 mm D 259 119 9 360 1 52 3 Ceiling Mount Installation Ceiling Mount Screws M4 Max L 25 Min L 20 Unit mm ...

Page 63: ...19 854 77 425 83 1024 x 768 XGA_60 60 004 48 363 65 XGA_70 70 069 56 476 75 XGA_75 75 029 60 023 78 75 XGA_85 84 997 68 667 94 5 XGA_120 Reduce Blanking 119 989 97 551 115 5 1152 x 864 1152 x 864_75 75 67 5 108 1024 x 576 BenQ Notebook Timing 60 35 82 46 966 1024 x 600 BenQ Notebook Timing 64 995 41 467 51 419 1280 x 720 1280 x 720_60 60 45 74 25 1280 x 768 1280 x 768_60 59 87 47 776 79 5 1280 x 8...

Page 64: ...1400 x 1050 SXGA _60 59 978 65 317 121 75 1600 x 1200 UXGA 60 75 162 1680 x 1050 1680 x 1050_60 59 954 65 29 146 25 640 x 480 67Hz MAC13 66 667 35 30 24 832 x 624 75Hz MAC16 74 546 49 722 57 28 1024 x 768 75Hz MAC19 74 93 60 241 80 1152 x 870 75Hz MAC21 75 06 68 68 100 Resolution Format Refresh rate Hz H frequency kHz Pixel Frequency MHz Format Resolution Refresh rate Hz H frequency kHz Pixel Freq...

Page 65: ...40 x 480 VGA_60 59 94 31 469 25 175 VGA_72 72 809 37 861 31 5 VGA_75 75 37 5 31 5 VGA_85 85 008 43 269 36 720 x 400 720 x 400_70 70 087 31 469 28 3221 800 x 600 SVGA_60 60 317 37 879 40 SVGA_72 72 188 48 077 50 SVGA_75 75 46 875 49 5 SVGA_85 85 061 53 674 56 25 SVGA_120 Reduce Blanking 119 854 77 425 83 1024 x 768 XGA_60 60 004 48 363 65 XGA_70 70 069 56 476 75 XGA_75 75 029 60 023 78 75 XGA_85 84...

Page 66: ... 934 62 795 106 5 WXGA_85 84 88 71 554 122 5 WXGA_120 Reduce Blanking 119 909 101 563 146 25 1280 x 1024 SXGA_60 60 02 63 981 108 SXGA_75 75 025 79 976 135 SXGA_85 85 024 91 146 157 5 1280 x 960 1280 x 960_60 60 60 108 1280 x 960_85 85 002 85 938 148 5 1360 x 768 1360 x 768_60 60 015 47 712 85 5 1440 x 900 WXGA _60 59 887 55 935 106 5 1400 x 1050 SXGA _60 59 978 65 317 121 75 1600 x 1200 UXGA 60 7...

Page 67: ...rmat Supported timing for 3D signal with Top Bottom Format Resolution Refresh rate Hz H 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 1280 x 720 50 37 5 74 25 720 60p 1280 x 720 60 45 74 25 1080 24p 1920 x 1080 24 27 74 25 1080 25p 1920 x 1080 25 28 13 74 25 1080 30p 1920 x 1080 ...

Page 68: ...nty gives you specific legal rights and you may have other rights which vary from country to country For other information please visit www BenQ com Copyright Copyright 2011 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 electr...

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