DR-3010C
DR-3010C
48
This section describes the procedure for adjusting the gamma level for scanning
documents.
1
Click the [Brightness] tab in the Properties for Canon DR-3010C dialog box
→
click [Gamma]
→
click [OK].
2
Select the [Custom] check box in the Gamma Settings dialog box
→
specify the settings as necessary
→
click [OK]
→
[OK].
NOTE
•
When the [Custom] check box in the Gamma Settings dialog box is selected, all
settings in the [Brightness] tab are set automatically.
•
The settings you can specify are as follows:
-
Select
Select the side and color for the custom setting.
y
The color bar and color of the sample image are changed to show the
specified color.
-
Input method
Select the setting method for gamma correction.
-
[Factor]
Move the slider to the left or right to adjust the gamma correction factor
between 0.2 and 5.0.
y
The gamma correction value, Gamma Curve Graph, and sample image color
are interlinked.
y
Clicking a point in the Gamma Curve Graph with your mouse changes the
gamma curve and color of the sample image to match that point.
y
You can also move the gamma curve by dragging it with the mouse.
-
[Freehand]
The output value for a particular input value in the gamma table can be specified
with the mouse.
y
Click any point in the Gamma Curve Graph to set that point as an output
value.
y
Drag the mouse on the Gamma Curve Graph to set the output value
according to the mouse movement.
-
[Import]
Clicking this button loads gamma table data (*.pxg file) that was previously
stored with the Export button.
y
Imported gamma data is reflected in the Gamma Curve Graph.
-
[Export]
Clicking this button exports the custom gamma curve settings as a gamma
table file (*.pxg).
Gamma Curve Settings
