19" LCD MONITOR
REV A
16
slightly until the display is just above the absolute lowest black level (one step
is generally sufficient).
Similarly, set the white level using a 100%-white test pattern and the
measurement device. Only the contrast level should be adjusted to ensure that
the black level remains unchanged.
• Control again the black value did not change. In case it did you need to
duplicate the two previous steps until it does not change anymore (cause:
pedestal).
Increase the contrast level until the measurement device no longer detects an
increase in luminance. Once this is achieved, decrease the contrast level
slightly (1 or 2 steps is generally sufficient).
At this point, the display is configured for optimal performance with the
installed graphic board. If one is not yet satisfied with the luminance level, the
black and white levels can be further increased by adjusting the backlight
level in the OSD menu. Please note that higher backlight level settings tend to
reduce the stability of luminance over time.
6.2 Optimum picture quality
In order to achieve an optimum picture quality, the monochrome flat panel
display HL1916T should be operated with a graphics resolution of 1280 x
1024 pixels (settings for graphics card in the PC). When adjusting the picture
position and size, ensure that the picture appears exactly on the active surface
of the display and that it is not offset by even one pixel. For example, if the
horizontal position is offset by one step to the right, the right-hand edge of the
picture will disappear, and a black pixel column will appear at the left-hand
edge. And similarly for an offset to the left, top or bottom. If the vertical lines
are still slightly fuzzy, adjust the setting "Frequency/phase" (see Section 6.4
"Description of the menus").
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General