Konica Minolta DiMAGE Scan Dual III AF-2840 - Manual (Page 53)

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Manual focus
The scanner can be focused manually using the focus meter. For best results, select an area with-
in the image with contrast or detail. The manual focus functions cannot focus on a low-contrast
image area such as a cloudless or overcast sky.
Click the manual-focus button.
The mouse pointer will
change to the manual-focus
icon. To cancel the function,
click the manual-focus button
again.
Click on the area of image to
be used for focus. The focus
meter window will appear.
Adjust the slider using the mouse until the black
and white bars are at their longest extension for
sharpest focus. The black bar indicates the
change in focus. The white bar indicates the
longest extent of the black bar and the point of
sharpest focus.
Click OK to set the focus. A new prescan will start
and replace the previous image.