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Digital Projection Projector HIGHlite 740 Series User Manual
Digital Projection Projector HIGHlite 740 Series User Manual
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page 132 Reference Guide APPENDIX E: WIRING DETAILS Input 4: 3G-SDI 75 ohm BNC Input 5: Composite 1 75 ohm BNC Input 6: S-Video 4 pin mini-DIN 1 Y Ground 2 C Ground 3 Luminance (Y) 4 Chrominance (C) Input 7: Component 4 x 75 ohm BNC RGsB RGBs YPrPb Pb/B B B Pb/Cb Y/G G + Sync G Y Pr/R R R Pr/Cr SYNC Sync Input 8: CVBS RCA Phono 3G-SDI connector Notes 3G-SDI signals are very high speed digital signals which require better quality coaxial cable than conventional analogue video. The data rate is 3 Gigabits per second. In choosing cable length and connectors for any installation the frequency response loss in decibels should be proportional to √f, from 1 MHz, to 3 GHz. For full details of all input settings, see Input Configuration in the Operating Guide . Composite 1 connector S-Video: pin view of female connector Component CVBS connector Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 133 Reference Guide APPENDIX E: WIRING DETAILS Control connections Ser vice port USB type B socket Pin 1 VCC (+5 V) Pin 2 Data− Pin 3 Data+ Pin 4 Ground Wired remote control 3.5 mm mini jack Tip Power Ring Signal Sleeve Ground 12 4 3 Service port: pin view of female connector Sleeve RingTip pin view of female connector Notes For full details of all network settings, see Network in the Operating Guide . Note that plugging in the remote control cable will disable the infra- red. Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 134 Reference Guide APPENDIX E: WIRING DETAILS RS232 9 way D-type connector 1 unused 2 Received Data (RX) 3 Transmitted Data (TX) 4 unused 5 Signal Ground 6 unused 7 unused 8 unused 9 unused LAN connection RJ45 socket Notes Only one remote connection (RS232 or LAN) should be used at any one time. For full details of all input settings, see Network in the Operating Guide . RS232: pin view of female connector LAN connection Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 135 Reference Guide APPENDIX F: GLOSSARY OF TERMS Appendix F: Glossar y Of Terms 1080p An HDTV resolution which corresponds to 1920 x 1080 pixels (a widescreen aspect ratio of 16:9). Anamorphic lens A special lens which, when used with the TheaterScope aspect ratio, allows watching 2.35:1 content packed in a 16:9 source. Aspect ratio The proportional relationship between the width and the height of the projected image. It is represented by two numbers separated by a colon, indicating the ratio of image width and height respectively: for example\ , 16:9 or 2.35:1. Not to be confused with resolution. Blanking (projection) The ability to intentionally turn off, that is, set to black, areas around the edges of the projected image.\ It is sometimes referred to as “curtains” since it can be used to blank an area of image that literally falls on t\ he curtains at the side of the screen in a movie theater. Usually no image resizing or geometric correction takes place and the “blanked” par\ t of the image is lost. Not to be confused with horizontal and vertical blanking (video signal). Blanking (video signal) The section of the video signal where there is no active video data. Not to be confused with blanking (projection). Brightness (electronic control) A control which adds a fixed intensity value to every pixel in the display, moving the entire range of displayed intensities up or down, and is used to set the black point in the image (see Contrast). In S-Video and Component Video signals, brightness is the same as luminance. Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 136 Reference Guide APPENDIX F: GLOSSARY OF TERMS Brightness (optical) Describes how ‘bright’ an image that is projected onto a screen appears to an observer. C See Chrominance. Chrominance Also known as ‘C’, this is the component, or pair of components, of an S-Video or Component Video signal which describes color difference information. Cold mirror A mirror that preferentially reflects or transmits infra-red light. In a projector, a cold mirror is used to reflect the visible component of the lamp beam into the illumination optics and transmit the unwanted infrared rad\ iation into an absorber. Color difference In S-Video or Component Video signals, the difference between specified colors and the luminance component. Color difference is zero for monochrome images. Color gamut The spectrum of color available to be displayed. Color temperature The position along the black body curve on the chromaticity diagram, nor\ mally quoted in Kelvin. It takes into account the preset values for color balance in the service set-up to take up the variations in the pri\ sm. The projector allows you to adjust this temperature (i.e. adjust the picture color temperature). Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 137 Reference Guide APPENDIX F: GLOSSARY OF TERMS ColorMax A method of accurately color-matching projectors together. Component video A three or four wire video interface that carries the signal split into i\ ts basic RGB components or luminance (brightness) and two-color- difference signals (YUV) and synchronization signals. Composite video A signal line that carries luminance, chrominance, synchronization pulses and blanking. Contrast (electronic control) The adjustment of the white point of the image without affecting the black point. This increases the intensity range of the displayed image. Contrast (optical) The intensity difference between the darkest and lightest areas of the screen. Cr, Cb Color difference signals used with ‘Y’ for digital Component Video inputs. They provide information about the signal color. Not to be confused with Pr, Pb. Crop Remove part of the projected image. Alternatively, fit an image into a frame with a different aspect ratio by removing part of the image. The image is resized so that either its length or its width equals the length or width of the frame, while the o\ ther dimension has moved outside the frame; the excess area is then cut \ out. DDC (Display Data Channel) A communications link between the source and projector. DDC is used on the HDMI, DVI and VGA inputs. The link is used by the source to read the EDID stored in the projector. Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 138 Reference Guide APPENDIX F: GLOSSARY OF TERMS Deinterlacing The process of converting interlaced video signals into progressive ones. DHCP (Dynamic Host Configuration Protocol) A network protocol that is used to configure network devices so that they can communicate on an IP network, for example by allocating an IP address. DMD™ (Digital Micromirror Device™) The optical tool that transforms the electronic signal from the input so\ urce into an optical image projected on the screen. The DMD™ of a projector has a fixed resolution, which affects the aspect ratio of the projected image. A Digital Micromirror Device™ (DMD™) consists of moving microscop\ ic mirrors. Each mirror, which acts as a pixel, is suspended between two posts by a thin torsion hinge. It can be tilted to produce either a \ bright or dark pixel. EDID (Extended Display Identification Data) Information stored in the projector that can be read by the source. EDID is used on the HDMI, DVI and VGA inputs, allowing the source to automatically configure to the optimum display settings. EDTV (Enhanced Definition Television) A progressive digital television system with a lower resolution than HDTV. Gamma A nonlinear operation used to code and decode luminance. It originates from the Cathode Ray Tube technology used in legacy television sets. Global setting A projector setting that affects all inputs. In the OSD, global settings are indicated with a globe icon. HDCP (High-bandwidth Digital Content Protection) An encryption scheme used to protect video content. Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 139 Reference Guide APPENDIX F: GLOSSARY OF TERMS HDTV (High Definition Television) A television system with a higher resolution than SDTV and EDTV. It can be transmitted in various formats, notably 1080p and 720p. Hertz (Hz) Cycles per second. Horizontal Scan Rate The rate at which the lines of the incoming signal are refreshed. The rate is set by the horizontal synchronization from the source and measured in Hertz. Hs + Vs Horizontal and vertical synchronization. Hue The graduation (red/green balance) of color (applicable to NTSC). Interlacing A method of updating the image. The screen is divided in two fields, one containing every odd horizontal line, the other one containing the even lines. The fields are then alternately updated. In analog TV interlacing was commonly used as a way of doubling the refresh rate without consuming extra bandwidth. IRE A unit used to show the range from black to white in Composite Video signals. LED (Light Emitting Diode) An electronic component that emits light. Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 140 Reference Guide APPENDIX F: GLOSSARY OF TERMS Letterboxing Black margins at the top and bottom of the image. Letterboxing appears w\ hen a wider image is packed into a narrower frame without changing the original aspect ratio. Lumen A photometric unit of radiant power. For projectors, it is normally used to specify the total amount of emi\ tted visible light. Luminance Also known as ‘Y’, this is the part of an S-Video or Component Video signal which affects the brightness, i.e. the black and white part. Modal setting A projector setting that only affects the currently displayed input. Noise Electrical interference displayed on the screen. NTSC (National Television Standards Committee) The United States standard for television - 525 lines transmitted at 60 \ interlaced fields per second. OSD (on-screen display) The projector menus allowing you to adjust various global and modal settings. PAL (Phase Alternate Line) The television system used in the UK, Australia and other countries - 625 lines transmitted at 50 interlaced fields per second. Pillarboxing Black margins at the left and right of the image. Pillarboxing appears w\ hen a narrower image is packed into a wider frame without changing the aspect ratio. Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015
page 141 Reference Guide APPENDIX F: GLOSSARY OF TERMS Pr, Pb Color difference signals used with ‘Y’ for analog Component Video inputs. They provide information about the signal color. Not to be confused with Cr, Cb. Progressive scanning A method of updating the image in which the lines of each frame are drawn\ in a sequence, without interlacing. Resolution The number of pixels in an image, usually represented by the number of p\ ixels per line and the number of lines (for example, 1920 x 1200). RGB (Red, Green and Blue) An uncompressed Component Video standard. S-Video A video signal which has separate Y and C signals. Saturation The amount of color in an image. Scope An aspect ratio of 2.35:1. SDTV (Standard Definition Television) An interlaced television system with a lower resolution than HDTV. For PA L and SECAM signals, the resolution is 576i; for NTSC it is 480i. SECAM (Sequential Color with Memory) The television system used in France, Russia and some other countries - \ 625 lines transmitted at 50 interlaced fields per second. Notes Digital Projection HIGHlite 740 Series Rev I Februar y 2015