User Guide

427-0089-00-12 Version 180 August 2020 48
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Advanced Configuration
changes to the video image to enhance the image by modifying one or more of the parameters. In
most situations, it will be adequate to select a different Scene Preset (described below). However, be
aware that when the conditions change the camera may need to be adjusted again; for that reason it
is a good idea to know how to restore the factory default settings as well.
In the IR page, a single JPEG image (a snapshot) is displayed in the upper right-hand corner. To
update this image at any time, select the Refresh button in the upper right. This will cause the entire
page to refresh, including the image and all the parameter values (be patient, ti may take some
time).
To make adjustments to the thermal image, it is possible to modify the Automatic Gain Control (AGC)
settings, which are grouped under the AGC ROI and AGC headings. The overall image display (also
known as Polarity or Color Palette) is determined by the Look Up Table (LUT) selected in the Misc.
(Lookup Table) section.
AGC ROI: The AGC Region Of Interest
(ROI) determines what portion of the image
is used in the calculation of the AGC. By
default all of the pixels in the image are
considered (Full Screen); in some cases it
may be possible to improve the contrast if a
portion of the image is excluded. For
example, if the field of view includes a
portion of the sky, typically quite cold, it may
be desirable to restrict the ROI to the portion
of the image below the horizon.