Philips 201B40/74H Manual do Utilizador descarregar pdf (Página 55)

Glossary

Vertical dot pitch

See Dot pitch.

Vertical scanning frequency

Expressed in Hz, this is the number of fields written to the screen every second in interlaced mode.

In non-interlaced mode vertical scanning frequency is the number of frames (complete pictures)

written to the screen every second (also known as refresh rate).

Vertical sync pulses

A train of square shaped waveforms that define the start of a new frame.

VESA

Video Electronic Standards Association, a consortium of manufacturers formed to establish and

maintain industry-wide standards for video cards and monitors. VESA was instrumental in the

introduction of the Super VGA and Extended VGA video graphics standards (see Video graphics

adapters) with a refresh rate of 70 Hz, minimizing flicker and helping to reduce operator eyes

fatigue and stress.

Video dot rate

See Dot rate.

Video graphics adapters

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Philips 201B40/74H Manual do Utilizador Página 55