Microtek 35t plus User Guide

1     Choose the 

channel

 in which the curve will be modified.

•  Select 

Master

 to modify gamma in the red, green, and blue color channels of the image

simultaneously.

•  Select 

color channels

 individually (red, green, blue) to modify gamma in that particular color

channel.

•  For grayscale scanners, only the 

gray

 channel is available.

2     Choose the 

Method

 in which the curve will be modified; select from Line, Curve, or Gamma.

There is no difference in the method you select, and the choices are provided to give you more
flexibility in adjusting the curve.

3     Choose a 

Curve button

; select from Pointer, Zoom Frame, or Pane. (See previous section 

Using

a curve button for more details.)

4     Click on the curve to define the points where the curve will be modified. You can then either raise

or lower the curve at that point and see changes to the image accordingly.

5     Click on an 

action button

.

•   Click OK to accept changes and exit the AIE dialog box.

•   Click Cancel to abandon all changes and exit the AIE dialog box.

•   Click Reset to restore settings to original default values.

•   Click Revert to cancel the effect of the current image-enhancement tool.

For more details, see the section 

The Action Buttons in the AIE Dialog Box.

6     To save a curve, click on the 

Save

 button. A dialog box will appear.

•  Save the curve in either Microtek or Photoshop format. The 

Microtek

 format allows you to have

as many as 64 control points in the curve for more precision; Photoshop allows a maximum of
19.

•  Choose the 

Channel

. Select 

All 

if your channel (in #1) is Master; select 

Current 

if you selected

one of the three color channels (red, green or blue).

To use a previously saved gamma curve for another image, click on the 

Load

 button, then

specify the curve to be loaded. Photoshop-saved curves can be loaded.