Visioneer OneTouch 7400, Руководство пользователя

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You can scan documents up to 8.5" by 11.69", but you can select other
scan sizes, or adjust the input size to scan only specific sections of an
image. For example, if you’re scanning a photograph and want to focus
on one section, adjusting the input size removes the rest of the
photograph from the final scanned image.
The following figure shows the input size options.
To set the image size:
■
To scan at one of the preset input sizes, select the image size from the
menu.
■
To scan a specific area of the image, click on the image and drag a box
around the area you want.