Konica Minolta ScanDIVA ScanDIVA User Guide - Page 55

Gray Scale, Acceptable Range

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Chapter 3 ScanDIVA TWAIN Driver 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". Gray Scale Position A: Position M: Position 19: Acceptable Range 242 ± 4 104 ± 4 12 ± 4 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. 3-25

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Chapter 3 ScanDIVA TWAIN Driver
3-25
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