Videotek VTM-2000 Specifications Page 161

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Global Setup Menu Functions
VTM Series Installation and Operation Handbook
4-33
Composite format with Low Pass filter follows the Luma Upper and Lower
thresholds.
Component format with RGB filter will follow the RGB gamut.
No highlighting in YC
B
C
R
or YRGB.
Eye Pattern Setup Menu
The Eye Pattern Setup menu is used to select the Jitter Display Type, Persistence, Eye
Intensity, Eye Contrast, and Attack.
Jitter Display Type
The Jitter Display Type menu is used to change the scale of the jitter meter.
Eye Intensity
The Eye Intensity submenu is used to raise or lower the brightness of the displayed Eye
Pattern. The range of intensity is 25% to 200%
Eye Contrast
The Eye Contrast submenu is used to adjust the overall difference between the lightest
and darkest colors of the Eye Pattern. The range of contrast is 25% to 200%.
Persistence
Persistence is used to determine how long a data point (pixel) in the Eye Pattern
remains on the display (refresh rate). The ranges of Persistence are NORMAL, 1 TO 6
& INFINITE. If INFINITE is selected, the waveform data point will always remain on
the screen.
For Eye pattern, the correlation of values derived by using measurement cursors versus
the jitter meter could differ unless the eye pattern is displayed using the maximum
persistence setting. A normal persistence setting will make it more difficult to view
pixels near the widest sample points, which forces the placement of the measurement
cursors to a lower (narrower) jitter value. Jitter can only be selected when the Eye
Pattern is enabled.
Attack
Attack is the initial intensity that the data point (pixel) appears in the display. The
range of attack is LOW (the lowest), 2 to 6, and MAX (the greatest intensity). Low is
the default intensity.
Vector Setup Menu
The Vector Setup menu is used to select the PAL Overlay, SDI I&Q, Vector Intensity,
Vector Contrast, Persistence, and Attack.
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