Fluke Expert Series User Manual page 19

Option Menu
Transmission
Spot Temp
Spot Markers
Spot Box
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Table 9. Measurement Menu (cont.)
Option
Changes the transmission percentage of the infrared-
transparent window (IR window).
When you do infrared inspections through IR windows, not
all of the infrared energy emitted from the target is
transmitted through the optical material in the window. If
you know the transmission percentage of the window,
adjust the transmission percentage in the Imager or in
<options>
SmartView software to improve the accuracy of the
measurement.
Select to view and turn on/off either the hot or cold spot
Hot
indicator on the display.
The Spot Temperatures are floating HI and LO
Cold temperature indicators that move on the display as the
temperature measurements of the image fluctuate.
All Off
Turns off fixed-temperature spot markers.
Select the number of fixed-temperature spot markers to
<options> use to highlight a region before you take an image. See
Spot Markers.
On
Turns on/off a temperature measurement zone (box) that
centers on a target.
Off
With Spot Box set to On, changes the size of the Spot
Set Size
Box. See Spot Box.
With Spot Box set to On, changes the position of the Spot
Set Position
Box. See Spot Box.
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Expert Series Thermal Imagers
Description
Note
If Display is set to Display All, the
transmission correction shows as t = xxx% on
the display.
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