EXact X-Rite User's Guide download pdf (Page 44)

X-Rite eXact™ Instrument

3. View data.

Printing Plate Function

This function is used to determine the dot area coverage of a tint or halftone patch on a printing

plate. The Yule-Nielsen needs to be configured in the function settings.

Printing Plate Function Setting

Tap the Printing Plate button and set the plate type (negative or positive) and Yule-Nielson factor

that is used to calculate the physical dot area coverage of your printing plate. The factory default

value is set at 1.15. The numeric value can range from 0.50 to 9.90.

Printing Plate Measurement

Printing Plate measurement displays the solid patch value and physical dot area value.

1. Select Printing Plate function.

2. Measure the plate ground.

3. Measure solid patch.

4. Measure tint patch that corresponds to the measured solid.

5. View data.

6. Continue with additional tint patches that correspond to the measured solid, or touch the solid

patch on the left of the screen and measure another solid patch.

Reflectance Graph Function

This function displays a visual reflectance curve for measured data. Sample and standard are

displayed with different colors: sample in white, standard in blue.

Function, illum/obs, and

Measurement Condition selected

Simulated color and timestamp of

reading displayed

Opacity percentage

Solid and TV values

Simulated color and timestamp of

reading displayed

Function, paper, response, and

Measurement Condition selected

Measurement patch steps

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 103 104

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EXact X-Rite User's Guide Page 44