Armstel MDA2120-A User Manual - Page 13

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Select terminal input: select input terminal for signal input(option)

Exit: exit OSD menu

4.3 DICOM GSDF Calibration

The ARMSTEL Amedicom

DICOM GSDF compliant BARTEN curve for medical image display, with patented (pending)

ARMSATT

technology embedded. It also allows user to push single "CAL" button to do the

automatic backlight adjustment and calibration. MDA2120-S is accurately DICOM Part 14

calibrated at the production. To adjust the display from shifting away from the DICOM

characteristic display function, ARMSTEL provides a dedicated tool for user to calibrate the

display lookup table whenever needed. The tool includes a calibration software package,

Calispector

and a Simlux

Calispector

software provides a user control function to calibrate the DICOM GSDF BARTEN

curve on site to prevent the shifting. The software allows user to calibrate at different levels of

accuracies, i.e., using 2048, 1024, 512, or 256 grayscales (grayscale luminance levels) to

interpolate the BARTEN curve. Using 2048 grayscales takes approximately 40 minutes to

restore the default setting, whereas 1024 takes around 20 minutes. 512 grayscales calibration

takes about 10 minutes while 256 grayscales takes less than 5 minute to complete the

calibration.

Calibration steps are as follows:

1) Install ARMSTEL Amedicom

following ARMSTEL website:

http://www.armstel.com/Amedicom®-dicom-calispector-software.php

The software supports Window 98/XP/Vista/Win7 OS;

2) Connect LCD display USB to the computer using the USB wire that comes with the LCD

display;

3) Connect ARMSTEL Simlux

4) Fix the Simlux

meter on the LCD screen by itself with the sticky pat on the Simlux

MDA2120-A medical dual-mode display has the built-in calibrated

meter compatible with the LCD display. ARMSTEL Amedicom

Calispector

meter to the computer;

-13-

MDA2120-A/MDA2120-S

software by downloading the software from the

User Manual

meter.