NEC PA231W Betriebsanweisung PDF herunterladen (Seite 29)

29 | SPECTRAVIEW II - USER’S GUIDE

Contrast Response

Max error - shows the highest percentage error deviation from the Barten Model curve, as well as the JND

Index of the highest error point.

Show Barten Model - shows the Barten Model curve on the graph. The Barten Model curve is calculated

based on the measured Intensity (white luminance) and black level values.

Show 10% Limits - shows two lines representing 10% error deviations from the Barten Model curve. Medical

displays used for Primary Class image viewing should be within the 10% deviation curves.

Show 20% Limits - shows two lines representing 20% error deviations from the Barten Model curve. Medical

displays used for Secondary Class image viewing should be within the 20% deviation curves.

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NEC PA231W Betriebsanweisung Seite 29