To Keep In Mind - FLIR T8 Serie Erste Schritte

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4. Measurement button.
5. Color button.
6. Settings button.
7. Main menu.
8. Submenu.
3.12 Soft buttons
See Figure 2.6 Soft buttons, page 4.
1. Work folder button: Touch to open a menu where you can create new folders
and change the active folder.
2. Lamp button: Touch to turn on/off the camera lamp.
3. Continuous autofocus button: Touch to enable/disable continuous autofocus.
4. Overlay button: Touch to show/hide all overlay graphics and image overlay
information.
5. Temperature scale button: Touch to switch between the automatic and man-
ual image adjustment modes.

3.13 To keep in mind

• Adjust the focus first. When the camera is out of focus, the measurement will
be wrong.
• By default, most cameras adapt the scale automatically. Use this mode first,
but do not hesitate to set the scale manually.
• A thermal camera has a resolution limit. This depends on the size of the de-
tector, the lens, and the distance to the target. Use the center of the spot tool
as a guide to the minimum possible object size, and get closer if necessary.
Make sure to stay away from dangerous areas and live electrical components.
• Be careful when holding the camera perpendicular to the target. Be observant
of reflections, especially at low emissivities—you, the camera, or the sur-
roundings may become the main source of reflection.
• Select a zone of high emissivity, e.g., an area with a matte surface, to perform
a measurement.
• Blank objects, i.e., those with low emissivities, may appear warm or cold in
the camera, because they mainly reflect the environment.
• Avoid direct sunlight on the details that you are inspecting.
• Various types of faults, e.g., those in a building's construction, may result in
the same type of thermal pattern.
• Correctly analyzing an infrared image requires professional knowledge about
the application.
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