User Guide

6.1 Working with Documents
6-10
Working with Documents Chapter 6
To adjust the image contrast
1. Select the image that you want to modify.
2. Click the button to enable the image editor functions. The buttons will
become visible on the user interface.
3. Click the button. The following dialog is displayed.
4. The dialog contains several controls:
•
Thumbnails
section This section displays 2 thumbnail images showing the
Original (Before) and Modified (After) versions of the
image. These allow you to see the effect of the contrast
change before it is accepted.
•
Percentage
section This section is used to specify the new contrast value.
You may enter the value in the field provided, or use
the slider control to specify the value. The acceptable
range is -100 to +100 with 0 being the center value of
the image being displayed.
5. Click
OK
to proceed and modify the image or
Cancel
to stop the operation.