Sony DCR-TRV39 - Manual (Page 188)

6-2-3 Filter Mode
Sharpness
Adjust by dragging the slider while checking results in the preview
window.
Preview window
Displays the result of the sharpness setting.
Sharpness
Drag the slider to adjust sharpness.
[OK] button
Click to apply the sharpness setting.
Blur
In Windows, ImageMixer will automatically blur an image. In
Macintosh, a slider will be displayed. Drag the slider to control the
blur.
Preview window
Displays the result of applying the blur filter.
[OK] button
Click it to apply the blur filter.