Panasonic GPUS932CU - 3CCD COLOR CAMERA CCU Operating Instructions Manual page 7

Be sure to remove this product if it is not in use.
Radio interference
When the product is used near TV/radio antenna, strong
electric field or magnetic field (near a motor or a trans-
former), images may be distorted and noise sound may be
produced.
Do not install this product in a humid or dust-laden
environment.
Otherwise, lifetime of the internal parts may be shortened.
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