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BlendPRO – Wide Screen Image Processor
Manual # 26-0206000-00 / Revision A
Input Select
The input channel to be adjusted is selected with this menu item. The value can be from 1 to 4 for a BlendPro
controlling the first four screens. For an expansion unit, second BlendPro controlling screens 5 and above, the value
can be 5 to 8. The currently selected value is displayed next to the INPUT SETUP menu header. All input
adjustments performed by the other selections in this menu are applied to the specified input channel.
H Total
This informational menu field displays the total number of pixel clock periods during a horizontal line. The parameter
is automatically loaded when initialization is complete.
Phase
This menu field displays a number between –16 and +15, which represents the phase adjustment for the input
sample clock. Phase is adjustable to the nearest 1/32 of a clock period. This parameter is automatically loaded when
the initialization process is complete.
H Pos (Pixels)
This menu field displays the number of clock intervals (pixels) assigned to the horizontal front porch. The parameter
is automatically loaded when initialization is complete. Adjustments should be made to move the right / left edge of
the image to the desired location. The adjustment range is -128 to 128 pixels from the automatically determined
position (varies with input source).
V Pos (Lines)
The vertical position parameter allows the operator to adjust the number of lines assigned to the vertical front porch.
Adjustments should be made to move the top / bottom edge of the image to the desired location. The adjustment
range is -16 to 16 pixels from the automatically determined position (varies with input source).
Contrast and Brightness Adjustments
The Contrast and Brightness controls allow the operator to adjust the overall contrast and brightness of the image.
The adjustment range is 75.0% to 125.0%. 100% is the default setting for both contrast and brightness.
Automatic Color Balance
The Auto Color Balance menu item allows the user to perform automatic color balancing of input video sources. In
order to perform automatic color balance, select the Horizontal Bars test pattern on all ScreenPRO outputs (HRAMP
from the Controller or HBARS from the ScreenPro front panel). Press Select on the front panel to start the Auto Color
Balance procedure. The BlendPRO will automatically color balance all inputs. This operation will take several
seconds to complete.
RGB Color Bal Submenu
The RGB Color Balance menu item is used to display a submenu where individual color balance adjustments are
performed.
This menu allows the operator to balance the colors on the RGB input source. Independent Contrast and Brightness
adjustments are provided for each color channel.
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