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
You are looking through glass.
Solution
Remove the glass or change the viewing position to avoid it.
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
Possible cause
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