Honeywell N3680 User Manual page 151

L, R, T, B, M - Image Cropping
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.
nL
nR
nT
nB
Example:
Alternately, specify the number of pixels to cut from the outside margin of the
image; thus only the center pixels are transmitted.
nM
Example:
N3680 Decoded Engine User Guide
The left edge of the shipped image corresponds to column n of the image in memory.
Range: 000 - 843. (Default = 0)
The right edge of the shipped image corresponds to column n - 1 of the image in memory.
Range: 000 - 843. (Default = all columns)
The top edge of the shipped image corresponds to row n of the image in memory. Range:
000 - 639. (Default = 0)
The bottom edge of the shipped image corresponds to row n - 1 of the image in memory.
Range: 000 - 639. (Default = all rows)
Uncropped Image:
Image Crop set to 200B:
Margin: cut n columns from the left, n + 1 columns from the right, n rows from the top, and
n + 1 rows from the bottom of the image. Ship the remaining center pixels. Range: 0 - 238.
(Default = 0, or full image)
Image Crop set to 238M:
Image Crop set to
300R:
Image Crop set to 200T:
Image Crop set to
300L:
135