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K - Gamma Correction
Gamma measures the brightness of midtone values produced by the image.
You can brighten or darken an image using gamma correction. A higher
gamma correction yields an overall brighter image. The lower the setting, the
darker the image. The optimal setting for text images is 50K.
0K Gamma correction off
(default)
50K Apply gamma correction for brightening typical document image
n
K Apply gamma correction factor
n
(
n
= 0-1,000)
L, R, T, B, M - Image Cropping
Note:Image Cropping should not be used with IMGSHP Modifiers (see page
8-6).
Ships a window of the image by specifying the left, right, top, and bottom pixel
coordinates. Device columns are numbered 0 through 1279, and device rows
are numbered 0 through 959.
n
L The left edge of the shipped image corresponds to column
n
of
the image in memory. Range: 000 - 640.
(Default = 0)
n
R The right edge of the shipped image corresponds to column
n
-
1 of the image in memory. Range: 000 - 640.
(Default = all
columns)
n
T The top edge of the shipped image corresponds to row
n
of the
image in memory. Range: 000 - 480.
(Default = 0)
Example of Gamma
Correction set to 50K:
Example of Gamma
Correction set to 0K:
Example of Gamma
Correction set to 255K: