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11. GLOSSARY
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11. GLOSSARY
Afterimage
The Afterimage is particular to LCD monitors when the monitor screen is left on for a
long period without use. The “Afterimage” can be removed gradually by changing the
displayed image.
Clock
With the analog input signal display, the analog signal is converted to a digital signal
by the LCD circuitry. To convert the signal correctly, the LCD monitor needs to
produce the same number clock pulse as the dot clock of the graphics system. When
the clock pulse is not correctly set, some vertical bars of distortion are displayed on
the screen.
DVI
(Digital Visual Interface)
A digital flat panel interface. DVI can transmit digital data from the PC directly
without loss with the signal transition method “TMDS”.
There are two kinds of DVI connectors. One is DVI-D connector for digital signal
input only. The other is DVI-I connector for both digital and analog signal inputs.
DVI DMPM
(DVI Digital Monitor Power Management)
The Power management system for the digital interface. The “Monitor ON” status
(operation mode) and the “Active Off” status (power-saving mode) are indispensable
for the DVI-DMPM as the monitor’s power mode.
LUT
(Look-up table)
Look-up table is the compensation data, to which the monitor refers, when the
monitor outputs the input data from a graphics board. In this model, the "Default*"
adjusted beforehand referring to look-up table at a factory or "Normal", which is in
the state of the characteristic of panel original, (i.e. not adjusted) can be available.
"Custom" automatically stores the customized data after the calibration is performed.
*”Default” is adjusted with the 100 %brightness to DICOM grayscale standard.
Phase
The phase adjustment decides the sampling timing point for converting the analog
input signal to a digital signal. Adjusting the phase after the clock adjustment will
produce a clear screen.
Range Adjustment
The Range Adjustment controls the level of output signal range to display the whole
gradation (256 steps).