Sharp SHV44 Notes On Usage page 38

• The product is resistant to fresh and tap water at room temperature (5°C to
35°C) only. If you let the product get wet with or submerged into the liquids
other than fresh and tap water at room temperature, stop using it and wash it
with fresh and tap water at room temperature.
• Do not use the earphone/microphone jack/external connection jack when the
jack is wet or sand or dust is attached to it. Doing so may cause impairment
of the waterproof/dustproof property or cause electric shock, short circuit,
etc. resulting in a fire, burns, or a fault.
■ Closing the au IC Card/microSD memory card tray
Insert the au IC Card/microSD memory card tray all the way to the product
horizontally.
• Push the A areas securely and make sure there is no space between the
product and the card tray.
■ Dustproof property of the product
• The dustproof property of the product only guarantees a protection rating
equivalent to IP6X and does not guarantee its performance under other
using conditions such as when the product is directly put on sand such as a
beach.
• If dust is attached to the product, immediately wash it away with water or
otherwise clear it completely before use.
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