Konica Minolta ScanDiva - Manual (Page 55)

Chapter 3 ScanDIVA TWAIN Driver
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8 The “ToneCurve” screen appears. Change the value and click the “OK” button.
Read the image from “Preview” and check to see if the histogram value is
within the acceptable range. If it is outside the acceptable range, adjust the
tone curve again.
Repeat the procedure of “Adjustment – Preview Scan – Histogram
Confirmation”.
NOTE !  “A” “M” “19” in the “ToneCurve” screen means each position of the
Gray Scale.
 To brighten the image, increase the value. To darken the image,
decrease the value.
 Setting values are not stored unless you click the “OK” button.
Gray Scale Acceptable Range
Position A: 242 ± 4
Position M: 104 ± 4
Position 19: 12 ± 4