Instruction manual

STANDARD SCAN UTILITY

6 Click a neutral area of the image to be

defined as the gray point.

• The area used to calibrate the gray point must be neutral.

The brightness level of the area is not important, but if the

area has a definite colour, the image will not be colour bal-

anced correctly.

7 Press the apply button to show the

change on the histogram.

• Click the reset button to cancel all corrections.

1 Double-click on either the white-point or

black-point button to activate the point-value-

setting dialog box.

2 Input the new white-point or black-point val-

ues. Click “OK”.

• With the point-value-setting dialog box open, the mouse

pointer can be used to measure the colour of any point on

the prescan image.

• Press the shift key (Windows) or command key

(Macintosh) to display the CMYK levels in the RGB display.

• The RGB display shows the original values for the scanned

image on the left and the current values for the image on

the right.

3 Calibrate the image following the steps in

white, black, and gray point corrections sec-

tion.

SETTING THE WHITE AND BLACK POINT VALUES

The white and black-point values are set to 255 and 0 for each RGB level. These values can be

changed. Changing the white and black-point values allow the calibration of an image with no true

white or black. This is an advanced image-processing tool.