20
Rev
001
5.
Hot & Cold Cursors
. Toggles between displaying the hottest and
coldest point of the whole image.
6.
Area Select
. Selects an area in the middle of the image. The
maximum, minimum and average temperatures of the area box are
displayed in the cursor list (item 3 above).
7.
Blue Isotherm
.
8.
Red Isotherm
.
Isotherms are regions within the scene with the same temperature range
and are shown in the same colour. This is best seen using either the White
hot or Black hot colour schemes.
Red Isotherm
Blue Isotherm
Both Isotherms
The red and blue isotherms can be set by
adjusting the red and blue blocks in the
level and span adjustment bar. This can
be done by using a mouse. To adjust the
isotherm width, click on the colour block
edge and drag. To adjust level click in the
colour block and move.
The temperature difference between the
centre of the two isotherms is displayed at
the bottom.