Adjust the brightness or contrast level in the Quick Menu.
Colour bars appear on the display or the
image disappears
Possible cause
The device was exposed to static charges during operation.
Solution
When the exposure to static charges is over, the device may either
reboot automatically or require to be switched off and on again.
The image of the object being observed is
missing
Possible cause
The object is behind glass, which obstructs thermal vision.
Solution
Remove the glass.
Poor image quality / Detection range reduced
Possible cause
These problems may occur during observation in adverse weather
conditions (snow, rain, fog, etc.).
The image quality during the device
operation at below zero temperatures is
worse than at positive temperatures
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