Videotek VTM-2000 Specifications Page 214

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Specifications
VTM Series Installation and Operation Handbook
A-8
Closed Captioning Displays
Standards
SD: Implements the digitized form of line 21 analog closed
captioning (EIA-608B)
HD: Implements vertical ancillary captioning (EIA-708B)
Data types supported
CC1: primary
CC3: secondary
708: Digital television caption service (HD only)
Gamut Display
Monitored parameters
Composite gamut (positive and negative chroma packet excursions
about luma levels)
RGB gamut
Display type
Polar. Angle of display always represents hue (as in a
vectorscope).
Composite display amplitude plots luma plus half of saturation and
luma minus half of saturation, with magnitude in IRE or units.
Concentric circles represent minimum and maximum ranges.
Component display plots R, G, and B amplitudes, with magnitude
in mV. Concentric circles represent minimum and maximum
ranges.
Magnification
Waveform Sweep MAG
selection
x1, x5, and x10. Pressing the MAG button will cycle through x1, x5,
and x10 horizontal magnification.
Waveform Step Gain
selection
x1, x2.5, x5, and x15. Pressing the STEP button will cycle through x1,
x2.5, x5, and x15 vertical magnification.
Waveform Gain
Variable from x0.50 to x15.00.
Vector Gain
Variable: x0.50 to x50.00 in .01 steps.
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