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FLIR Si124 - Page 25

FLIR Si124
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Usage techniques
9
In the multi-source mode, the camera will show not only the strongest sound
source, but also weaker sound sources. Note that sound sources consider-
ably weaker than the strongest source will not be shown. The multi-source
model is useful in finding weaker sound sources. If you want to examine these
sources closer, you can move and rotate the camera as well as use the zoom
button. Always keep in mind that any analysis is done in the direction of the
crosshair on the display.
The camera will not only show actual physical sound sources, but also reflec-
tions from these sound sources. In order to verify that a source shown on the
display is an actual sound source and not a reflection, move around to look at
the source from different directions. If the location of the source remains the
same from all different directions, the source is an actual sound source. If the
location of the source moves along a surface (or completely disappears)
when you move around, the source is probably a reflection.
The multi-source mode might also be useful when determining whether a
source shown on the display is an actual sound source or a reflection. With
the multi-source mode, you might be able to see both the actual sound source
and one or several reflections, and by moving the camera around you might
be able to tell which of the sources are reflections.
#T810536; r. AB/63437/63437; en-US
22

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