The Focus Image Control Palette is a floating dialog that can be positioned anywhere on the screen. It provides the controls to sharpen and blur the active image.
This dialog is visible when you are in Focus image mode (i.e. the Focus image button 
is down).
To show or hide the Focus Image Control Palette, click View->Toolbars->Control Palette or press the 
button.
Set the sliders to give the desired effect:
| %Amount | The percentage amount to sharpen by |
| Radius | The number of pixels that the image “mask” is blurred by |
| Threshold | Sets the threshold at which to skip sharpening for each pixel is the sharpening amount is less that the threshold value. |
Blur
Set the sliders to give the desired effect:
| %Amount | The percentage amount to blur by |
| Radius | The number of pixels that the image is blurred by |
Press the delete button 
to set sharpen or blur to zero.