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Digital Projection M-Vision Laser 18K Series, Installation And Quick Start Manual

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Digital Projection M-Vision Laser 18K Series Installation And Quick Start Manual Download Page 52

page 42

Digital Projection M-Vision Laser 18K Series

Operating Guide

USING THE PROJECTOR

Rev D October 2019

Color menu

Color Space

In most cases, the 

Auto

 setting determines the correct colorspace to use. If it does not, 

you can choose a specifi c colorspace:

Choose from 

Auto

, 

YPbPr

, 

YCbCr

, 

RGB PC

 and 

RGB Video

.

Notes

Color

Color Mode

ColorMax

Color Space

Manual Color Matching

Gains and Lifts

Color Temperature

ColorMax

Peak

Auto

X

X

Native

Color

Color Mode

ColorMax

Color Space

Manual Color Matching

Gains and Lifts

Color Temperature

ColorMax

Peak

Auto

X

X

Native

Native

Auto

100

100

100

Auto

YPbPr

YCbCr

RGB PC

RGB Video

Summary of Contents for M-Vision Laser 18K Series

Page 1: ...Rev D October 2019 M Vision Laser 18K Series High Brightness Digital Video Projector INSTALLATION AND QUICK START GUIDE CONNECTION GUIDE OPERATING GUIDE REFERENCE GUIDE 118 056D...

Page 2: ...er of exposure to intensive light that may result in personal injury unless the instructions are closely followed LASER WARNING this symbol indicates that there is a potential hazard of eye exposure t...

Page 3: ...n the hazard distance or install the projector at su cient height to prevent exposures of spectators eyes within the hazard distance The hazard distance Fig 1 is the distance measured from the project...

Page 4: ...ue 0 600cm 3262163400 QR Code Part No 118 053A XXXXXXXXXXXXX MANUFACTURED YYYY MM DD Code 39 or 128 of serial no DLP PROJECTOR DLP Projecteur Digital Projection Limited Greenside Way Middleton Manches...

Page 5: ...er Information Caution use of controls or adjustments or performance of procedures other than those speci ed herein may result in hazardous radiation exposure Notes LASER LIGHT AVOID DIRECT EYE EXPOSU...

Page 6: ...T for transmission of uncompressed High De nition Video up to 100 m from the source 3G SDI with loop through Blanking control for custom input window sizing Edge Blending with black level correction C...

Page 7: ...RATING THE PROJECTOR 19 Switching the projector on 19 Switching the projector o 19 Selecting an input signal 20 Selecting a test pattern 20 Adjusting the lens 21 Adjusting the image 21 CONNECTION GUID...

Page 8: ...ns Control 39 Lens Memory 40 Image menu 41 Color menu 42 Color Space 42 Color Mode 43 Geometry menu 48 Aspect Ratio 48 Digital Zoom 50 Overscan 51 Blanking 52 Keystone 53 4 Corners 55 Rotation 56 Pinc...

Page 9: ...SCREEN AND PROJECTOR 88 POSITIONING THE IMAGE 89 FRAME RATES AND PULLDOWNS EXPLAINED 91 Interlaced and progressive scan 91 Frame rates of image sources 91 Pulldowns conversion into destination formats...

Page 10: ...Digital Projection M Vision Laser 18K Series This page is intentionally left blank...

Page 11: ...Rev D October 2019 M Vision Laser 18K Series High Brightness Digital Video Projector INSTALLATION AND QUICK START GUIDE...

Page 12: ...5 Control panel 6 Projector indicators 7 REMOTE CONTROL 8 Infrared reception 11 POSITIONING THE SCREEN AND PROJECTOR 12 Roll and pitch 13 Stacking instructions 14 CHANGING THE LENS 17 Inserting a new...

Page 13: ...e supplied with the projector A stacking kit is also provided in some regions Remote control P ic M u te O F F O N M E N U E X IT IN F O H D M I1 O K O F F O N A LT L E N S F O C U S Z O O M IN O U T...

Page 14: ...ly push the mains connector into the socket 1 then press the ON OFF switch 2 Notes Use only the power cable provided Ensure that the power outlet includes a ground connection as this equipment MUST be...

Page 15: ...views 1 Indicators TEMP LIGHT STATUS and POWER 2 Lens mount 3 Air inlet 4 Lifting handle 5 Air inlet 6 Front infrared window 7 Stacking feet 8 Air outlet 9 Rear infrared window 10 Connections panel 11...

Page 16: ...y switched o and the screen is black 7 MENU Displays and exits the OSD 8 Arrow buttons ENTER Navigation buttons used to highlight menu entries in the OSD Press ENTER to open or execute the highlighted...

Page 17: ...is preparing to switch on Flashing red cycles of six ashes light module failure On green light is switched on STATUS O no problem Flashing red continuously cover error Flashing red cycles of four ashe...

Page 18: ...hen the OSD is not showing the OK button switches between modes Shift Adjustment and Zoom Focus Adjustment 6 EXIT Go up one level in the OSD When the top level is reached press to close the OSD 7 FREE...

Page 19: ...HDMI 1 input Use with ALT to select the HDMI 4 input 16 HDMI 1 HDMI 3 numeric input 1 Select the HDMI 1 input Use with ALT to select the HDMI 3 input 17 TEST SWAP numeric input 0 Show a test pattern...

Page 20: ...LL with red indicator at the top Assign and unassign an IR remote address To assign an address 1 Press and hold this button until the indicator starts ashing 2 Release this button and while the indica...

Page 21: ...Guide REMOTE CONTROL Rev D October 2019 Infrared reception The projector has infrared sensors at the front and back The angle of acceptance is 40 Make sure that the remote control is within the angle...

Page 22: ...e adjustable feet so that the projector is level and perpendicular to the screen The drawing below shows the positions of the feet for table mounting and the xing holes for ceiling mounting 1 Four adj...

Page 23: ...D October 2019 Roll and pitch The projector can be operated in any position as shown in the illustration However the following positions are to be avoided as they can reduce motor life Notes Fig 2 Po...

Page 24: ...four chassis corners Do not stack more than two projectors Do not use the provided eye bolts to suspend more than one projector The eye bolts must not be used with stacks as they can carry the weight...

Page 25: ...hat the stresses are distributed to all four chassis corners Do not stack more than two projectors Do not use the provided eye bolts to suspend more than one projector The eye bolts must not be used w...

Page 26: ...not stack more than two projectors Do not use the provided eye bolts to suspend more than one projector The eye bolts must not be used with stacks as they can carry the weight of one projector only Do...

Page 27: ...right position 3 Rotate the lens clockwise until it clicks into place Notes Before changing the lens always make sure the projector is switched o and fully disconnected from its power supply When chan...

Page 28: ...disengages 3 Slowly pull the lens out 3 Notes Before changing the lens always make sure the projector is switched o and fully disconnected from its power supply When changing the lens avoid using exc...

Page 29: ...e projector is switched on Switching the projector off 1 Press OFF on the remote control or POWER on the control panel then press again to con rm your choice The POWER indicator on the control panel w...

Page 30: ...y a test pattern Press TEST on the remote control Change the test pattern using the LEFT and RIGHT arrow buttons Test patterns are displayed in the following order White Black Red Green Blue Checkerbo...

Page 31: ...t opening a menu OK enters lens control then switches between Zoom Focus Adjustment and Shift Adjustment EXIT exits lens control and opens the Lens menu MENU exits lens control and returns to the main...

Page 32: ...Digital Projection M Vision Laser 18K Series Installation and Quick Start Guide This page is intentionally left blank...

Page 33: ...Rev D October 2019 M Vision Laser 18K Series High Brightness Digital Video Projector CONNECTION GUIDE...

Page 34: ...on the DisplayPort HDMI and HDBaseT inputs 26 Using DisplayPort HDMI HDBaseT switchers with the projector 26 3D connections 27 Frame sequential 1080p and WUXGA 3D sources at 100 and 120 Hz 27 Dual Pip...

Page 35: ...HDMI 1 HDMI 1 4a 3 DisplayPort 1 DisplayPort 2 DisplayPort 1 1a 4 3G SDI in 3G SDI out From the 3G SDI out port connect a 3G SDI cable to distribute the 3G SDI signal to another projector 5 HDMI 2 HDM...

Page 36: ...or then switch the source back on again Using DisplayPort HDMI HDBaseT switchers with the projector When using a DisplayPort HDMI HDBaseT source switcher with the projector it is important to set the...

Page 37: ...120 Hz 1 Connect the left eye output to the HDMI 1 socket and the right eye output to the HDMI 2 socket 2 Set 3D Format in the 3D menu to Dual Pipe Notes See 3D formats in the Reference Guide for a c...

Page 38: ...signal Connect the 3D sync from your graphics card or server 3D Sync Out Sync output signal This may be a ected by the Sync Offset setting in the 3D Control menu Connect this to your IR emitter or ZS...

Page 39: ...the Protocol Guide Use a straight through cable to connect directly to a computer 4 Wired Remote The remote control can be connected using a standard 3 5 mm mini jack cable tip ring sleeve or TRS 5 LA...

Page 40: ...AN connection the projector can serve a web page o ering basic projector controls Projector Controller is available for download free of charge from the Digital Projection website For simultaneous HDB...

Page 41: ...S Rev D October 2019 RS232 connection example All of the projector s features can be controlled via a serial connection using commands described in the Protocol Guide Notes The Protocol Guide is avail...

Page 42: ...Digital Projection M Vision Laser 18K Series Connection Guide This page is intentionally left blank...

Page 43: ...Rev D October 2019 M Vision Laser 18K Series High Brightness Digital Video Projector OPERATING GUIDE...

Page 44: ...S MENU 39 Lens Control 39 Lens Memory 40 IMAGE MENU 41 COLOR MENU 42 Color Space 42 Color Mode 43 GEOMETRY MENU 48 Aspect Ratio 48 Digital Zoom 50 Overscan 51 Blanking 52 Keystone 53 4 Corners 55 Rota...

Page 45: ...e control panel or OK on the remote control This guide refers to the above two buttons as ENTER OK Exiting menus and closing the OSD To go back to the previous page press EXIT When you reach the top l...

Page 46: ...tton is displayed executes a command the space to the right of the item is blank Accessing sub menus Use the UP and DOWN arrow buttons to highlight the sub menu then press ENTER OK Executing commands...

Page 47: ...to the menu or press MENU to exit the slider without showing the menu again Editing numeric values Some parameters take numeric values without using sliders for example color matching values or IP ad...

Page 48: ...Edge Blend 3D Laser Setup and Network Press ENTER OK to open these menus and access various settings Press the DOWN arrow at the bottom of the page to access additional menus PIP and Information Press...

Page 49: ...Control Lens Control settings operate in Zoom Focus Adjustment and Shift Adjustment mode Press ENTER OK to switch between modes When in Zoom Focus Adjustment mode Use the UP and DOWN arrow buttons to...

Page 50: ...to delete a memory preset if you need to save a new combination of lens settings in its place Overwriting a saved memory preset is not possible Notes The lenses for the M Vision series can only store...

Page 51: ...tes If excess ambient light washes out the image and it is di cult to see details in dark areas lower the Gamma setting to compensate This improves contrast while maintaining good details for blacks C...

Page 52: ...does not you can choose a speci c colorspace Choose from Auto YPbPr YCbCr RGB PC and RGB Video Notes Color Color Mode ColorMax Color Space Manual Color Matching Gains and Lifts Color Temperature Colo...

Page 53: ...2 are user de ned color gamuts set via the Setup ColorMax menu Color Color Mode ColorMax Color Space Manual Color Matching Gains and Lifts Color Temperature Auto ColorMax ColorMax Manual Color Matchi...

Page 54: ...djust Hue Saturation and Gain settings for each individual color to improve the color balance of the projected image Adjust white balance RGB values Reset all values Notes For more details about the H...

Page 55: ...ual Color Matching menu change the color values in the following ways 1 Hue Speci es the position of each color red yellow green cyan blue and magenta relative to its neighboring colors 2 Saturation S...

Page 56: ...Color Temperature 1 Set Color Mode to Color Temperature 2 Navigate to the Color Temperature setting Choose a value from 3200K warmer to 9300K cooler or Native no correction Notes Color Color Mode Colo...

Page 57: ...9 Color menu continued from previous page Gains and Lifts Lifts allow you to adjust black levels of individual colors while gains adjust the bright part of the scale Set the sliders as required Gains...

Page 58: ...o from here it will give you the best t for your selection Choose from 5 4 4 3 16 10 16 9 1 88 2 35 TheaterScope Source Unscaled Notes Only one of the following should be used at any one time Keystone...

Page 59: ...ce in aspect ratios Without an anamorphic lens and without the TheaterScope setting applied a 16 9 source containing a 2 35 1 image looks like this If we change the setting to TheaterScope the black l...

Page 60: ...he overall image size Digital Zoom de nes the level of zoom that needs to be applied If Digital Zoom is set to 0 then the other settings in the menu will be disabled Digital Pan and Digital Scan speci...

Page 61: ...pensate for noisy or badly de ned image edges Crop removes unwanted artifacts from the edges of your image by cropping the edges Zoom increases the size of the image to force the edges o screen Image...

Page 62: ...ious page Blanking Use this feature to t an odd sized screen cut o timecode dots in the top line of a picture cut o subtitles etc Select the edge you wish to blank and use the LEFT and RIGHT arrow but...

Page 63: ...eystone Use this setting to compensate for any distortion caused by the projector being in a di erent horizontal or vertical plane to the screen Keystone example 1 The projector is positioned at an an...

Page 64: ...en To correct apply a negative Horizontal Keystone value using the LEFT arrow button 3 Projector high The projector is positioned above the screen at a downward angle To correct apply a negative Verti...

Page 65: ...top right corner requires both horizontal and vertical correction Top Right Corner correction Notes Corner corrections provide a simple setup for awkward installations and irregular shaped screens th...

Page 66: ...to be level with the screen Rotation example 1 DMD area The DMD is not rotated It still covers the area that would be occupied by the image without correction 2 Rotated image The image is smaller than...

Page 67: ...reen or using a surface that is not at Use the Pincushion Barrel control to compensate electronically for such distortions You can also use this menu to make simple panoramic screen corrections withou...

Page 68: ...warp maps Arc Top Reset 0 Bottom 0 Left 0 Right 0 Notes Please note that a positive Arc value on any edge will reduce the image size as the projector needs to maintain the aspect ratio A negative Arc...

Page 69: ...the image showing the edges of the blend area and making the overlaps more visible to help adjust the physical position of the projectors in the array Blend Width Determine the width of the blended r...

Page 70: ...uide USING THE PROJECTOR Rev D October 2019 Edge Blend menu continued from previous page Blend Width Use the LEFT and RIGHT arrow buttons to set the width of the blended regions 1 Top 2 Bottom 3 Left...

Page 71: ...ge comes from two projectors 1 and 2 Both images have black level uplift applied as a result artifacts 3 and 4 have emerged at the edges where the black level uplift region of one projector overlaps t...

Page 72: ...Set to reduce the e ect of banding and image overlapping when viewed through 3D the glasses 3D Sync Offset use the LEFT and RIGHT arrow buttons to compensate for image overlappng ghosting when viewed...

Page 73: ...nputs can accept Frame Sequential formats where both left and right eye images are delivered on a single cable Up to 120Hz can be received and displayed Frames rates of 50Hz or 60Hz will be displayed...

Page 74: ...play with the left eye right eye dominance automatically extracted from the video data You need to optimize Dark Time and Sync Delay manually to suit your chosen switching glasses Side by Side Half in...

Page 75: ...delays in the glasses or ZScreen Sync Offset is used to adjust the sync output signal sent to the ZScreen or 3D glasses to minimise overlapping ghosting in the image when viewed through the 3D glasses...

Page 76: ...ally Power Level This setting is only available if Power Mode is set to Custom Choose a value between 20 and 100 ranging from 20 to 100 laser power Constant Brightness Once a Custom brightness has bee...

Page 77: ...jector power on and power o Clock Adjust Access the submenu to set current date and local time Startup Logo Set this to On if you want the DP logo to show when the projector is rst switched on Blank S...

Page 78: ...buttons The indicator will ash three times quickly to con rm the change IR Code Reset Use this command to unassign an IR code from the projector This will revert the IR Code value to 00 To unassign an...

Page 79: ...e UP and DOWN arrow buttons to increase and decrease the value respectively 3 Exit edit mode press ENTER OK if you want to save the edited values press EXIT if you do not wish to save the edited value...

Page 80: ...pressed on the control panel or the ON button is pressed on the remote control Scheduled on off Access this submenu to create a weekly schedule for automatic on and o times 1 Set a schedule Use the UP...

Page 81: ...Setup menu continued from previous page Clock Adjust Use this menu to set date in dd MM yyyy format time in HH mm format and time zone The date and time set here will a ect any schedule created within...

Page 82: ...ell Up to four custom presets can be stored for each input The following settings are saved in a preset From the Image menu Dynamic Black Gamma Brightness Contrast Saturation Hue Sharpness and Noise R...

Page 83: ...by a DHCP server or Off if it is to be set here If DHCP is On it will not be possible to edit IP Address Subnet Mask Gateway or DNS If DHCP is set to Off edit IP Address Subnet Mask Gateway and DNS as...

Page 84: ...urce Select an input source for the PIP image Any combinations are possible between main and PIP input source as long as one of the inputs is either DisplayPort or 3G SDI Position Set the location of...

Page 85: ...efault settings Signal Format Notes Information Serial Number Software Version 1 Model Name Software Version 2 Signal Format Laser Hours Active PIP Source System Status Factory Reset Thermal Status X0...

Page 86: ...ode Portrait Angle Altitude Mode Tilt Angle Laser Power 98988 Pa 116 m 160V 264V 0 0 deg Low 4 deg 100 Constant Brightness Off Thermal Status DMD Temp LD 1 2 Temp Inlet Temp Fan 5 8 Speed Fan 9 12 Spe...

Page 87: ...estore the factory default settings 1 Navigate to Factory Reset and press ENTER OK 2 When prompted press ENTER OK to con rm your choice or press EXIT to cancel Notes Software Version 2 Signal Format L...

Page 88: ...Rev D October 2019 M Vision Laser 18K Series High Brightness Digital Video Projector REFERENCE GUIDE...

Page 89: ...ulation 82 Introducing TRC 82 Calculating TRC 83 Calculating the throw ratio with TRC 84 Full lens calculation example 85 POSITIONING THE IMAGE 86 APPENDIX A LENS PART NUMBERS 88 APPENDIX B SUPPORTED...

Page 90: ...15 R frame 2 00 4 00 1 zoom 2 5 m 15 m V 0 5 U 0 3 D frame H 0 15 L 0 15 R frame 4 00 7 00 1 zoom 4 m 42 m V 0 5 U 0 3 D frame H 0 15 L 0 15 R frame To choose a lens calculate the throw ratio require...

Page 91: ...5 m 4 00 7 00 1 zoom 4 m 42 m 3 Ensure the required throw distance is within the range covered by the lens Notes The lens table shown on this page includes High Brightness lenses only For a full list...

Page 92: ...5 m The required distance of 10 m is within the range Notes The lens table shown on this page includes High Brightness lenses only For a full list see Appendix A at the end of this document The basic...

Page 93: ...the image does not ll the width of the DMD creating a pillarboxing e ect blank spaces to the left and right Fig 2 shows the same image projected on a 4 3 screen using a standard lens chosen with the...

Page 94: ...he TRC value for some popular image formats 2 35 1 Scope 1920 x 817 pixels TRC 1 not used 1 85 1 Flat 1920 x 1037 pixels TRC 1 not used 1 78 1 16 9 1920 x 1080 TRC 1 not used 1 66 1 Vista 1792 x 1080...

Page 95: ...ching lens from the table Throw ratios Focus range 1 20 1 56 1 zoom 1 m 8 m 1 50 2 00 1 zoom 2 m 12 m 2 00 4 00 1 zoom 2 5 m 15 m 4 00 7 00 1 zoom 4 m 42 m 3 Ensure the required throw distance is with...

Page 96: ...zoom lens is 2 12 m The required distance of 10 m is within the range Notes The lens table shown on this page includes High Brightness lenses only For a full list see Appendix A at the end of this do...

Page 97: ...ition for the projector is at the centre of the screen However you can set the projector above or below the centre or to one side and adjust the image using the Lens shift feature known as rising and...

Page 98: ...may result in an unacceptable level of distortion particularly at the corners of the image due to the image passing through the periphery of the lens optics If the lens is to be shifted in two direct...

Page 99: ...based on the distance from the outer end of the lens which will vary from lens to lens The distance between the front of the projector chassis and the outer end of the lens is called lens extension Le...

Page 100: ...MT 848x480 23 674 47 95 25 000 X X VESA CVT 848x480 31 020 60 33 750 X X VESA DMT 1024x768 48 363 60 65 000 X X VESA DMT 1024x768 56 476 70 07 75 000 X X VESA DMT 1024x768 60 023 75 78 750 X X VESA DM...

Page 101: ...440 x 900 70 635 74 98 136 750 X X VESA DMT 1600x900 55 92 60 119 000 X X VESA GTF 1600x1200 75 000 60 162 000 X X VESA DMT 1680x1050 65 290 60 146 250 X X VESA DMT 1920x1080 53 225 47 95 135 403 X X...

Page 102: ...X X X X X 1080i 50 X X X X X X 1080i 59 94 X X X X X X 1080i 60 X X X X X X 720p 50 X X X X X X 720p 59 94 X X X X X X 720p 60 X X X X X X 1080p 23 98 X X X X X X 1080p 24 X X X X X X 1080p 25 X X X X...

Page 103: ...f 1920x1080 50 00 1125 56 25 5 100 1080p59 Side by Side Half 1920x1080 59 94 1125 67 43 5 120 1080p60 Side by Side Half 1920x1080 60 00 1125 67 50 5 120 1080p50 Top and Bottom 1920x1080 50 00 1125 56...

Page 104: ...layPort 2 HB Dual pipe HDMI 3 HB DisplayPort 3 Remarks Output Display Frame Rate 1080p25 Dual Pipe 1920x1080 25 00 1125 28 13 5 100 1080p30 Dual Pipe 1920x1080 30 00 1125 33 75 5 120 1080p50 Dual Pipe...

Page 105: ...ce Guide APPENDIX C WIRING DETAILS Rev D October 2019 Appendix C Wiring Details RS232 9 way D type connector 1 unused 2 Transmitted Data TX 3 Received Data RX 4 unused 5 Signal Ground 6 unused 7 unuse...

Page 106: ...3 5 mm mini jack Tip Trigger Ring Not connected Sleeve Ground Output 12V 200 mA max Wired remote control 3 5 mm mini jack Tip 3V output Ring Signal Sleeve Ground Output 2 85 3 15V Max 500 mA Sync IN a...

Page 107: ...the emitter s signal and synchronises the left and right eye shutters with the projected image 3D passive glasses Passive glasses do not require a power source to work Light with left hand polarisati...

Page 108: ...vie theater Usually no image resizing or geometric correction takes place and the blanked part of the image is lost Not to be confused with horizontal and vertical blanking video signal Blanking video...

Page 109: ...preset values for color balance in the service set up to take up the variations in the prism The projector allows you to adjust this temperature i e adjust the picture color temperature Component vide...

Page 110: ...progressive ones DHCP Dynamic Host Con guration Protocol A network protocol that is used to con gure network devices so that they can communicate on an IP network for example by allocating an IP addre...

Page 111: ...d In interlaced video a part of the image frame that is scanned separately A eld is a collection of either all the odd lines or all the even lines within the frame Frame One of the many still images d...

Page 112: ...optimizing the dark time and sync delay HDCP High bandwidth Digital Content Protection An encryption scheme used to protect video content HDTV High De nition Television A television system with a hig...

Page 113: ...3D LED Light Emitting Diode An electronic component that emits light Letterboxing Black margins at the top and bottom of the image Letterboxing appears when a wider image is packed into a narrower fr...

Page 114: ...Element The most basic unit of an image Pixels are arranged in lines and columns Each pixel corresponds to a micromirror within the DMD resolutions re ect the number of pixels per line by the number o...

Page 115: ...epresented by the number of pixels per line and the number of lines for example 1920 x 1200 RGB Red Green and Blue An uncompressed Component Video standard Saturation The amount of color in an image S...

Page 116: ...play 2 35 1 images packed into a 16 9 frame Throw distance The distance between the screen and the projector Throw ratio The ratio of the throw distance to the screen width TRC Throw ratio correction...

Page 117: ...image using the lens mount Vista An aspect ratio of 1 66 1 WUXGA A display resolution of 1920 x 1200 pixels with a 16 10 screen aspect ratio Stands for Widescreen Ultra Extended Graphics Array Y This...

Page 118: ...Digital Projection M Vision Laser 18K Series Reference Guide This page is intentionally left blank...

Page 119: ...ction Inc 55 Chastain Road Suite 115 Kennesaw GA 30144 USA Tel 1 770 420 1350 Fax 1 770 420 1360 powerinfo digitalprojection com www digitalprojection com Digital Projection China 101 A 2006 100029 Rm...

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