Eizo FlexScan S1501 User Manual download pdf (Page 30)

Chapter 5 Reference

5-5 Glossary

Clock

The analog input monitor needs to reproduce a clock of the same frequency as the dot clock of the graphics system in

use, when the analog input signal is converted to a digital signal for image display.

This is called clock adjustment. If the clock pulse is not set correctly, some vertical bars appear on the screen.

DDC/CI (Display Data Channel/Command Interface)

VESA provides the standardization for the interactive communication of the setting information, etc. between a PC

and the monitor.

DVI (Digital Visual Interface)

DVI is a digital interface standard. DVI allows direct transmission of the PC’s digital data without loss.

This adopts the TMDS transmission system and DVI connectors. There are two types of DVI connectors. One is a

DVI-D connector for digital signal input only. The other is a DVI-I connector for both digital and analog signal inputs.

DVI DMPM (DVI Digital Monitor Power Management)

DVI DMPM is a digital interface power-saving function. The “Monitor ON (operating mode)” and “Active Off

(power-saving mode)” are indispensable for DVI DMPM as the monitor’s power mode.

Gain

This is used to adjust each color parameter for red, green and blue. An LCD monitor displays the color by the light

passing through the panel color ﬁ lter. Red, green and blue are the three primary colors. All the colors on the screen

are displayed by combining these three colors. The color tone can be changed by adjusting the light intensity (volume)

passing through each color’s ﬁ lter.

Gamma

Generally, the monitor brightness varies nonlinearly with the input signal level, which is called “Gamma Characteristic”.

A small gamma value produces a low-contrast image, while a large gamma value produces a high-contrast image.

Phase

Phase means the sampling timing to convert the analog input signal to a digital signal. Phase adjustment is made to

adjust the timing. It is recommended that phase adjustment be made after the clock is adjusted correctly.

Range Adjustment

Range adjustment controls the signal output levels to display every color gradation. It is recommended that range

adjustment be made before color adjustment.

Resolution

The LCD panel consists of numerous pixels of speciﬁ ed size, which are illuminated to form images. This monitor

consists of 1024 horizontal pixels and 768 vertical pixels. At a resolution of 1024 × 768, all pixels are illuminated as

a full screen (1:1).

sRGB (Standard RGB)

International standard for “color reproduction and color space” among peripheral devices (such as monitors, printers,

digital cameras, scanners). sRGB allows Internet users to closely match colors as a simple color matching means for

the Internet use.

Temperature

Color temperature is a method to measure the white color tone, generally indicated in degrees Kelvin. The screen

becomes reddish at a low temperature, and bluish at a high temperature, like the ﬂ ame temperature.

5000K: Slightly reddish white

6500K: Warm white like paper white

9300K: Slightly bluish white

TMDS (Transition Minimized Differential Signaling)

A signal transmission system for digital interface.

VESA DPMS (Video Electronics Standards Association - Display Power Management Signaling)

VESA provides the standardization of signals from PC (graphics board) for power saving of PC monitors. DPMS

deﬁ nes the signal status between PC and monitor.

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Eizo FlexScan S1501 User Manual Page 30

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