EXact X-Rite User's Guide download pdf (Page 51)

X-Rite eXact™ Instrument

Inks QC (Job tools only, Overprint and Solid functions)

This is a job function where the left half of the display is the density response(s) of the current

ink for the patch being measured. For solid inks, only a single density will be shown. For an

overprint density responses for each ink of the patch will be shown. The right half displays Delta

Lab values, as well as the configured Delta E value.

Inks QC Measurement

1. Measure solid or overprint patch.

2. View results.

Inks QC Graph

The size of the circles/rectangles represents the tolerance. If a dot is outside of

the circle/rectangle, it is out of tolerance.

NOTE: If there are multiple tolerances defined, only one will be displayed. By default, the order

for displaying tolerances is dE*76, dE*2000, dE*94, dE CMC, dLab, and dLCH.

1. Measure solid or overprint patch.

2. Tap the Graph button to view a graphical display of the measurement data.

TVI Table (Job tools only, Tint functions)

This is a job function that has a table to view the TVI (Tone Value Increase, also called dot gain)

results of the last tint measurements of a job at once. Additionally, it shows spread values

between the process inks (CMY).

Spread is calculated by subtracting the largest TVI value from the smallest TVI value across the

Process color Inks (CMY) at a given screen % (i.e., 50%). The smaller the spread, the better the

gray balance. G7 and PSO differ slightly in how they calculate spread.

G7 Spread: Calculates a separate spread value for every defined tint patch.

PSO Spread: Only calculates spread for the tint patch that is closest to 50% (halftone).

Simulated patch standard

Function, status, illum/obs,

and Measurement Condition

selected

Simulated color of sample

Pass/fail/warning indicators

Graph button

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EXact X-Rite User's Guide Page 51