-31-
Notices for Waterproof Casing
The water-proof casing shall be installed precisely.
Please notice following items during operation.
1. Do not disassemble and refix the sealing ring of casing, keys and lens cover by yourself. Otherwise,
the sealing of water-proof casing may be affected.
2. Do not place the casing in those environments where exist corrosive gas such as strong acid or alkali;
and keep it away from chemicals and other corrosives.
3. Do not put water-proof casing in high (above 50°C) or low (-10°C) temperatures for long period of
time to avoid casing deformation.
4. Do not expose the casing under direct sunshine for a long time to avoid deteriorating its
waterproofing performance.
5. Before using the casing, it 's advised to check whether the seal rings are under good
condition,whether there are foreign objects at the sealing joints,whether the casing is well sealed
and tightly buckled.
6. After using the casing in sea water, please clean and flush it by fresh water firstly, and then use a dry
cloth to wipe the surface and put the device in a cool and ventilated place.
