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Barco Projector Cineversum 60 Quickstart Manual

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    							8. Advanced Settings
    How to shift the image ?
    1. Push the cursor key↑or↓to highlightPosition. (menu 8-5)
    2. PressENTERto select.
    ThePositionmenu will be displayed. (menu 8-6)
    3. Push the cursor key↑or↓to highlightHorizontal shift.
    A slide bar will be displayed.
    4. Use the cursor keys to shift the image horizontally.
    When shifting to the left, the value will be negative.
    When shifting to the right, the value will be positive.
    The adjustment range can vary from - 255 to + 255. 0 is the nominal position.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-5
    Position
    Horizontal shift
    Horizontal size
    Vertical shift
    Vertical size
    Back
    Menu 8-6
    8.4.2 Horizontal size
    What can be done ?
    The size of the image can be adjusted in horizontal direction. The left side of the image is fixed and only right side can be moved
    until the exact size is reached.
    Image 8-3
    Horizontal size
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    							8. Advanced Settings
    Howtosizetheimage?
    1. Push the cursor key↑or↓to highlightPosition. (menu 8-7)
    2. PressENTERto select.
    ThePositionmenu will be displayed. (menu 8-8)
    3. Push the cursor key↑or↓to highlightHorizontal size.
    A slide bar will be displayed.
    4. Use the cursor keys to resize the image horizontally.
    When the value is negative the image becomes smaller.
    When the value is positive the image becomes wider.
    The adjustment range can vary from - 255 to + 255. 0 is the nominal position.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-7
    Position
    Horizontal shift
    Horizontal size
    Vertical shift
    Vertical size
    Back
    Menu 8-8
    8.4.3 Vertical shift
    What can be done ?
    The image can be shifted in a vertical direction.
    Image 8-4
    Ver ti cal shift
    C Shift upwards
    D Shift downwards
    48
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    							8. Advanced Settings
    How to shift the image ?
    1. Push the cursor key↑or↓to highlightPosition. (menu 8-9)
    2. PressENTERto select.
    ThePositionmenu will be displayed. (menu 8-10)
    3. Push the cursor key↑or↓to highlightVertical shift.
    A slide bar will be displayed.
    4. Use the cursor keys to shift the image vertically.
    When shifting downwards, the value will be negative.
    When shifting upwards, the value will be positive.
    The adjustment range can vary from - 255 to + 255. 0 is the nominal position.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-9
    Position
    Horizontal shift
    Horizontal size
    Vertical shift
    Vertical size
    Back
    Menu 8-10
    8.4.4 Vertical size
    What can be done ?
    The size of the image can be adjusted in vertical direction. The upper side of the image is fixed and only bottom side can be moved
    until the exact size is reached.
    Image 8-5
    Horizontal size
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    							8. Advanced Settings
    Howtosizetheimage?
    1. Push the cursor key↑or↓to highlightPosition.(menu8-11)
    2. PressENTERto select.
    ThePositionmenu will be displayed. (menu 8-12)
    3. Push the cursor key↑or↓to highlightVertical size.
    A slide bar will be displayed.
    4. Use the cursor keys to resize the image vertically.
    When the value is negative the image becomes less high.
    When the value is positive the image becomes higher.
    The adjustment range can vary from - 255 to + 255. 0 is the nominal position.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-11
    Position
    Horizontal shift
    Horizontal size
    Vertical shift
    Vertical size
    Back
    Menu 8-12
    8.5 Blanking
    What can be done ?
    Blanking adjustments affect only the edges of the projected image and are used to frame the projected image on to the screenand
    to hide or black out unwanted information (or noise). A ’0’ on the bar scale indicates no blanking.
    Which blanking adjustments are available ?
    • top blanking
    • bottom blanking
    • left blanking
    • right blanking
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    							8. Advanced Settings
    Image 8-6
    Blanking
    A Top blanking
    B Bottom blanking
    C Left blanking
    D Right blanking
    Adjusting the blanking
    1. Push the cursor key↑or↓to highlightBlanking. (menu 8-13)
    2. PressENTERto select.
    TheBlankingmenu will be displayed. (menu 8-14)
    3. Push the cursor key↑or↓to highlight the desired blanking
    4. PressENTERto start up the chosen blanking.
    5. Use the cursor keys to adjust the blanking.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-13
    Blanking
    Top
    Bottom
    Left
    Right
    Back
    Menu 8-14
    8.6 Input Balance
    Overview
    • Introduction to Input Balance
    • Adjusting the Input Balance for RGB signals
    • Input balance for YUV signals
    • Returning to the factory defaults
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    							8. Advanced Settings
    8.6.1 Introduction to Input Balance
    Introduction: Unbalanced color signals
    When transporting signals, there is always a risk of deterioration of the information contained in the signals.
    In case of information contained in the amplitude of the signals which is the case of data color signals (R, G, B),image 8-7 , we are
    quite sure that the amplitude of these color signals is subject to alterations.
    An example of alteration may be a DC component added to the signal, in the form of a DC offset repositioning the black level, since
    thisblack level(“brightness”) will become crucial later on (clamping circuit) it will result in “black not being black”.
    Another value that is subject to alteration is the amplitude of the signal, resulting in an altered “Gain” of the signal (“white level”or
    contrast).
    The alterations of the three color signals will happen independently i.e. the colors will end to be unbalanced, image 8-8
    B
    Black leve
    0.7V
    Image 8-7
    Black leve
    ∆G∆Β
    ∆R RG
    B
    Image 8-8
    One can conclude here that a good color tracking can only be met by using three previously (input) balanced
    color signals
    Analog Digital Conversion
    The analog color signals must pass through an Analog/Digital conversion circuit prior to any digital processing in the PMP.
    A typical ADC transforms the analog value into an 8 bit coded digital signal.
    The graphic shows that when converting a signal containing a DC offset component the range of the converter is not optimally used.
    Black level∆
    R
    ADC
    0 255i1 : superfleous information i2 : video information
    Image 8-9
    One can conclude here that a good data conversion can only be met by using three previously (input) balanced
    color signals
    The objective of input balancing
    The objective in input balancing is to “set” the same black level and the same white level for the three colors of a particular input
    source.
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    							8. Advanced Settings
    Black level setting : brightness
    White level setting : contrast
    The same absolute black and white level for the three colors allow the same reference for Brightness and contrast control of the
    picture !
    These two references also set the range in which the ADC will work for that particular source (this explains also why each input
    balance setting is linked to a particular source and thus saved in the image file).
    8.6.2 Adjusting the Input Balance for RGB signals
    How can it be done ?
    To balance the three color signals of a particular source there areconditions; in fact we must know the black and the white level of
    the source i.e. :
    1. The source in question must be able to generate a white signal, ideally a 100% white (background) full screen pattern
    2. The source in question must be able to generate a black signal, ideally a 100% black (background) full screen pattern
    AB
    Image 8-10
    White balance : In the projector, we will set the contrast for each color until we get a 100% light output picture when projecting a
    100% white image (image A)
    Black balance : In the projector, we will set the brightness for each color until we get a 0% light output picture when projecting a
    100% black image (image B).
    The changeover from min to max is indicated by the apparition of bright spots also called “digital noise”
    An alternative to a full screen White/black pattern is the standard gray scale pattern, the white bar will be used
    for white balance and the black bar for black balance.
    Image 8-11
    Black balance
    1. Push the cursor key↑or↓to highlightInput Balance. (menu 8-15)
    2. PressENTERto select.
    TheInput balancemenu will be displayed. (menu 8-16)
    3. Push the cursor key↑or↓to highlightBlack balance.
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    							8. Advanced Settings
    4. PressENTERto select.
    The black balance menu will be displayed. (menu 8-17)
    5. Adjust the Brightness to a maximum value until there is just no green noise visible in the black areas.
    6. Push the cursor key↑or↓to highlightBlack level red.
    7. PressENTERto select.
    8. Adjust with the cursor keys until there is no red noise visible in the black areas.
    9. Repeat from step 6 but selectBlack level blueand adjust until no blue noise is visible in the black areas.
    10.Set the brightness back to its normal value.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-15
    Input balance
    White balance
    Black balance
    Factory settings
    Back
    Menu 8-16
    Black balance
    Black level red
    Black level blue
    Back
    Menu 8-17
    White balance
    1. Push the cursor key↑or↓to highlightInput Balance. (menu 8-18)
    2. PressENTERto select.
    TheInput balancemenu will be displayed. (menu 8-19)
    3. Push the cursor key↑or↓to highlightWhite balance.
    4. PressENTERto select.
    The white balance menu will be displayed. (menu 8-20)
    5. Select gain red and put it on its lowest value. Do the same for gain blue.
    Adjust contrast to a maximum value until the green noise becomes visible in the white areas and return one step.
    6. Select Gain red and adjust with the cursor keys until the red noise becomes visible in the white areas and return one step.
    7. Select Blue red and adjust with the cursor keys until the blue noise becomes visible in the white areas and return one step.
    8. Put the contrast back on its normal value.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-18
    Input balance
    White balance
    Black balance
    Factory settings
    Back
    Menu 8-19
    White balance
    Gain red
    Gain blue
    Back
    Menu 8-20
    8.6.3 Input balance for YUV signals
    How to adjust ?
    1. Push the cursor key↑or↓to highlightInput Balance. (menu 8-21)
    2. PressENTERto select.
    TheInput balancemenu will be displayed. (menu 8-22)
    3. Decrease the brightness a lot.
    4. Push the cursor key↑or↓to highlightBlack balance.
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    							8. Advanced Settings
    5. PressENTERto select.
    The black balance menu will be displayed. (menu 8-23)
    6. Select Black level red and adjust the red balance with the cursor keys until the red noise becomes visible in the black areas.
    7. Select now Black level blue and adjust the blue balance with the cursor keys until the blue noise becomes visible in black areas.
    8. Increase the brightness until the black areas displays approximately 50% white noise.
    9. Correct Red and Blue Black balance adjustment in such a way the blue and red noise are just visible and a small brightness
    increase maintain a grey color.
    Advanced settings
    Aspect Ratio
    Position
    PiP Configuration
    Blanking
    Input Balance
    Back
    Menu 8-21
    Input balance
    White balance
    Black balance
    Factory settings
    Back
    Menu 8-22
    Black balance
    Black level red
    Black level blue
    Back
    Menu 8-23
    Checking the white balance
    There is no adjustment procedure for the white balance.
    8.6.4 Returning to the factory defaults
    Howtoreturn?
    1. Push the cursor key↑or↓to highlightFactory settings. (menu 8-24)
    2. PressENTERto select.
    The factory settings will be loaded.
    Input balance
    White balance
    Black balance
    Factory settings
    Back
    Menu 8-24
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    							8. Advanced Settings
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