Barco RHDM-1701, User Manual

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46 Barco - RHDM-1701 - User manual
How to
Set the signal range of the input signal
If there are no colors in the headroom and/or the footroom, the contrast can be enhanced by
clipping the headroom and/or the footroom. When clipping occurs, a certain portion of the input
range of the video signal is mapped to the maximum light output of the LCD.
• Press ( ) / to open the “select input” toolbox ( if the input signal is shown on win-
dow 1 and if the input signal is shown on window 2)
• Move with the trackball to select the “signal range” setting
• Press ( ) or ( ) to select the signal range 64-940.
• Move with the trackball up/down to set the new signal range
• Press ( ) or ( ) to confirm the selection
3.7 How to correct the black level
In some cases the correctness of the colors at the dark grey levels are of higher importance than
the contrast. The black correction in the “Input settings” OSD menu can be set for each window
separately.
To optimize the color correctness of the dark grey levels, the black correction should be set to
100%. As a tradeoff for the optimized color correctness of the dark grey levels, the contrast is
reduced.
When the black correction is set to 0%, the contrast is maximized.
• Go to the OSD menu by pressing ( )
• Move with the trackball to select the “Input settings” in the main menu.
• Press ( ) or ( ) to open the “Input settings” menu
• Move with the trackball down to the “Black correction” setting of the appropriate window
• When black correction is set at a value different from 100%,
press ( ) or ( ) to select the value
move with the trackball up or type “100” on the numeric keypad to set the value to 100%
press ( ) or ( ) to confirm the value