Adjustment - Wide RDP2010UX(-TS) User Manual

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Title
RDP2010UX
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(AL20SUX)

2.3.1 Adjustment

The "Adjustment" menu is for controlling the brightness, contrast, positions, sharpness, clock and phase.
3.3.1.1 BRIGHTNESS
The function is able the user to adjust brightness for the display, 50 is default value.
"Brightness" adjusts the light output by controlling the opening of Liquid Crystal, it is different from "Dim
Brightness" which is adjusted by controlling the amount of light of backlight directly. But their effects are very
similar. Its adjustment range is -127 to +127. The closer to -127 it is, the darker it is and the closer to +127 it is,
the brighter it is. When one of the submenu of "Adjustment" is selected, the select button push to select it., so
that adjusts the values of the brightness. When the menu button is pushed , going back to the upper menu.
To adjust the brightness is to remap the input data to output data in terms of black and white level. It is to
change the range of data, it means that if the brightness is 127, input data 0 - 255 is remapped to output data
127 – 255, so it looks like brighter. On the other way, if the input data is remapped to 0 – 127, it'll be darker. It is
to remap the data to LCD panel newly, but it is not to change the real input data. The brightness adjustment
acts on the displayed image of all input data - R, G, and B by the same level.
Revision Status Issued Date
2008-07-31
V2.8