N4680 2D Decoded Scan Engine User Guide 171
• 1FTIFF binary
• 2FTIFF binary group 4, compressed
• 3FTIFF grayscale
• 4FUncompressed Binary
• 5FUncompressed grayscale
•6FJPEG image (default)
• 7FOutlined image
• 8FBMP format
H - Height of Signature Capture Area
The height of the signature capture area must be measured in inches divided by
.01. In the example, the height of the area to be captured is 3/8 inch, resulting in a
value of H = .375/0.01 = 37.5.
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 correc-
tion yields an overall brighter image. The lower the setting, the darker the image.
The optimal setting for text images is 50K.
• 0KGamma correction off (default)
• 50KApply gamma correction for brightening typical document image
• nKApply gamma correction factor n (n = 1-255)
R - Resolution of Signature Capture Area
The resolution is the number of pixels that the scan engine outputs per each mini-
mum bar width. The higher the value for R, the higher the quality of the image, but
also the larger the file size. Values begin at 1000. The scan engine automatically
Example: IMGBOX245w37h55y.
Example of Gamma Correction
set to 50K:
Example of Gamma
Correction set to 0K:
Example of Gamma Correction
set to 255K:
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