K - Gamma Correction; R - Resolution Of Signature Capture Area; S - Barcode Aspect Ratio; W - Width Of Signature Capture Area - Honeywell 4800dr - Document Camera Imaging Manual

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 = 1-255)
Example of Gamma
Correction set to 0K:

R - Resolution of Signature Capture Area

The resolution is the number of pixels that the document reader outputs per each minimum 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 document reader automatically inserts a decimal point between the first and
second digit. For example, use 2500 to specify a resolution of 2.5. Set to zero when using the A and
B modifiers (see A - Output Image Width
Example of Resolution set to 0R:
Example of Resolution set to 1000R:
Example of Resolution set to 2000R:

S - Barcode Aspect Ratio

All dimensions used in IMGBOX are measured as multiples of the minimum element size of the
barcode. The barcode aspect ratio allows you to set the ratio of the barcode height to the narrow
element width. In the example, the narrow element width is .010 inches and the barcode height is
0.400 inches, resulting in a value of S = 0.4/0.01 = 40.

W - Width of Signature Capture Area

The width of the signature capture area must be measured in inches divided by .01. In the example,
the width of the area to be captured is 2.4 inches, resulting in a value of W = 2.4/0.01 = 240. (A value
of 245 was used in the example to accommodate a slightly wider image area.)
Example:
Example of Gamma
Correction set to 50K:
and B - Output Image Height
IMGBOX245w37h55y.
Example of Gamma
Correction set to 255K:
on page 1-16).
1 - 17