Samsung NP-Q530 User Manual Xp/vista/windows7 Ver.1.8 (English) - Page 49
Screen Calibration
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Using the Touch Screen (only for touch screen models) Chapter 2. Using the computer 48 Screen Calibration When using the touch screen for the first time or the precision of the touch screen has decreased, calibrate the screen using the eGalax Touch program. 1 Click Start > All Programs > eGalax Touch > Configure Utility. 2 Click 4 Points Calibration in the Tools tab. To further improve the precision If a more precise calibration is necessary, you can calibrate using 9 Points or 25 Points (pointer). 1. In the Settings tab, select 9 Points or 25 Points in the Linearization Style and click Apply. 2. In the Tools tab, click Linearization. The greater the value, the greater the precision of the calibration. 3 Press the icon on the screen until OK appears. The icon appears as many times as the selected number of points. 4 If the calibration result window appears, click OK. The touch point location is calibrated.