Honeywell Xenon Series User Manual page 272

Example:
Alternately, specify the number of pixels to cut from the outside margin of the
image; thus only the center pixels are transmitted.
Example:
P - Protocol
Used for shipping an image. Protocol covers two features of the image data being
sent to the host. It addresses the protocol used to send the data (Hmodem, which is
an Xmodem 1K variant that has additional header information), and the format of
the image data that is sent.
S - Pixel Ship
Pixel Ship sizes an image in proportion to its original size. It decimates the image
by shipping only certain, regularly spaced pixels.
Example: 4S would transmit every fourth pixel from every fourth line.
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nB 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:
nM 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:
0P None (raw data)
2P None (default for USB)
3P Hmodem compressed (default for RS232)
4P Hmodem
Image Crop set to
300R:
Image Crop set to 200T:
Image Crop set to
300L:
Xenon/Granit User Guide