User`s guide

6-48 Microtek ScanWizard 5
How to use the Input-Output dimensions
The Input-Output dimensions consist of four edit boxes: Scan Frame width,
Scan Frame height, output width, and output height. These edit boxes are
linked to the use of Fixed Scan Frame, and the boxes may or may not be edited
depending on whether the Fixed Output Sized is checked or not. Below are the
details.
• Use the Scan Frame dimensions to specify your scan frame; or drag on the
scan frame to whatever size you want, and the dimensions will be reflected
in the Scan Frame width and height boxes.
• The output dimensions determine the width and height of your image when
output to a device such as a monitor or printer. The output dimensions can
be changed only if the Fixed Output Size is unchecked.
Scaling
Scaling is the process of creating larger or smaller images in your scanning
software so that you need not resize the images later when they are delivered to
your image-editing program.
To illustrate the use of scaling: Assume that your input dimensions are 4" x 5",
then:
• If scaling is at 100%, output dimensions will also be 4" x 5".
• If scaling is at 50%, output dimensions will be halved — to 2" x 2.5"
• If scaling is at 200%, output dimensions will be doubled — to 8" x 10".
The above assumes that your resolution is held constant throughout the
changes. When you change resolution and specify a value that has no exact
equivalent for scaling, the scaling may be affected and adjusts itself to the
nearest allowed value. For instance, if your resolution is 100, your scaling
becomes 99 (instead of a full 100), because that is the closest scaling equivalent,
given the resolution value.