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Operation
Runco X-200i Series Installation/Operation Manual 67
PRE
L
IMINAR
Y
• Sync Level (Component sources only): Select Sync Level to adjust the voltage level
of the X-200i Sync signal detection circuitry.
Sync Level adjustment is occasionally necessary when a DVD player or HDTV source
signal drops “below black” (for example, during scenes with explosions or when
subtitles are present) and causes the projector to temporarily lose sync. If the
Sync
Level from the source is persistently too low, the projector won’t sync with the source
at all.
The range is from 50 to 256 millivolts (mV) inclusive. The default setting is 240 mV and
should rarely require adjustment.
PCE: To use the Personal Color Equalizer to define a custom color gamut, choose the
“PCE”
Color Gamut setting (refer to Color Gamut on page 64). Then, choose PCE from
the Advanced Image menu and press ENTER. This displays the PCE sub-menu.
Hue/Saturation/Level: PCE provides the ability to define a custom color gamut in terms
of primary (red, green and blue) and secondary (yellow, cyan and magenta) color hues,
saturation and level (brightness).
Each control operates only on the color specified. Surrounding colors are linearly
interpolated based on their distance from each of these colors. In the CIE 1931 Yxy
coordinate system (see
Figure 4-9), Hue rotates the color coordinates around the white
point, Saturation adjusts the coordinate's distance from white and Level adjusts the
luminance (Y) of the color relative to white.
Figure 4-9. CIE 1931 Color Coordinate Diagram and Effect of PCE Hue and
Saturation Controls
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Hue
Hue
Hue
Hue
Hue
Hue
Saturation
Saturation
Saturation