H - Histogram Stretch; I - Invert Image - Honeywell N4680 User Manual

H - Histogram Stretch

Increases the contrast of the transmitted image. Not available with some image
formats.
0H
1H
Example:
Histogram Stretch at 0H:

I - Invert Image

Invert image is used to rotate the image around the X or Y axis.
1ix
1iy
Example:
Image not inverted:
162
No stretch (default)
Histogram stretch
Invert around the X axis (flips picture upside down)
Invert around the Y axis (flips picture left to right)
Image with Invert
Image set to 1ix:
Histogram Stretch at 1H:
Image with Invert
Image set to 1iy:
N4680 2D Decoded Scan Engine User Guide