Imgshp modifiers, A - infinity filter, C - compensation – Honeywell Granit 1991iSR Ultra-Rugged Standard-Range Barcode Scanner User Manual
Page 222: D - pixel depth

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Granit XP User Guide
IMGSHP Modifiers
A - Infinity Filter
Enhances pictures taken from very long distances (greater than 10 feet or 3m). The
Infinity Filter should not be used with
0A
Infinity filter off
(default)
1A
Infinity filter on
Example:
C - Compensation
Flattens the image to account for variations in illumination across the image.
0C
Compensation disabled
(default)
1C
Compensation enabled
Example:
D - Pixel Depth
Indicates the number of bits per pixel in the transmitted image (KIM or BMP format
only).
8D
8 bits per pixel, grayscale image
(default)
1D
1 bit per pixel, black and white image
Infinity Filter off (0A)
from approximately 12 feet
(3.66m) away:
Infinity Filter on (1A)
from approximately 12 feet (3.66m)
away:
Compensation at 0C:
Compensation at 1C: