Precautions for the Waterproof Housing
The waterproof housing is a precision component. When using the waterproof housing, adhere to the
following precautions:
1. Do not randomly remove or change the O-ring, keys, and lens cover. Otherwise, the waterproof
performance deteriorates.
2. Do not put the waterproof housing in a place where corrosive gases are easily generated due to
existence of strong acid or alkali. Do not let the waterproof housing in contact with chemical or
corrosive substance, such as strong acid or alkali.
3. Do not put the waterproof housing in a place where temperature is over high (50°C) or low (-10°C) for a
long time to avoid deformation.
4. Do not expose it to direct sunlight for a long time to avoid deterioration of the waterproof performance.
5. Before use, ensure that the O-ring is intact, the seal is litter-free, the housing is fully sealed, and the
buckle is tight.
6. After using the housing in sea water, wash it using fresh water, clean it, and dry it in a cool place.
Precautions for the 3M Dual-side Foam Tape
When using the 3M dual-side foam tape, adhere to the following precautions:
1. Before fixing the 3M dual-side foam tape, select a proper surface to ensure proper contact between the
foam tape and the surface.
2. Before using the 3M dual-side foam tape, clean the surface where the foam tape is attached.
3. Before attaching the 3M dual-side foam tape, heat the surface of the foam tape, for instance, using an
electric blower, especially in a place where temperature is lower than -20°C.
Notice
When using the SD21 video camera, pay attention to the following notice information:
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