Jenoptik VARIOSCAN high resolution Series Manual page 33

Increases/reduces the dimension of the square spot
(maximal spot size: 99 x 99 pixel).
If you activate the spot display without having defined a
spot, a spot of 10 x 10 pixel will appear in the centre of the
image.
A single click on the upper key generates a spot of size 0
(undefined) having a size of 10 x 10 pixel. The spot may
then be increased/reduced by single clicks.
A double click on the lower key deletes the spot that has
been defined last.
Adjustment of the emissivity for the current spot
(0.1 < ε < 1).
(The default is ε = 1)
Upper key to increase, lower key to reduce the value.
The emissivity edited for the current spot will not affect the
global emissivity selected on the Temperature menu or the
image presentation, but only the temperature values
calculated on the spot.
A double click on one of the ε ε –keys allows the numeric entry of the
emissivity for the current spot:
Confirm the selected settings of the selected spot by pressing the
-key. The program returns to the recording mode (top right image).
Operation
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