21
Safety Precautions/Notes on Waterproof and Dustproof Properties
Common Precautions
• External connection terminal cover, battery cover
Make sure that the external connection terminal cover is firmly closed, and the
battery cover is securely attached. Just a small particle (a hair, etc.) on the
seals can cause water or dust enters inside.
Do not open/close the external connection terminal cover or attach/remove the
battery cover with gloved hands. Just a small particle (a hair, etc.) on the seals
can cause water or dust enters inside. Wipe off any minuscule droplets of water
or dirt with a clean dry cloth before closing the covers.
If the external connection terminal cover or battery cover is deteriorated or
damaged, the waterproof property becomes ineffective. In such case, contact
an au shop near you or Customer Service Center.
• If seawater or detergent gets on the product
If any liquid other than plain water (e.g. seawater, alcohol) gets on the product,
immediately rinse it with plain water.
You can wash the product under a mild flow (up to 6 liters per minute) of tap
water at room temperature (5°C to 35°C) at a distance of about 10 cm from the
faucet or showerhead.
If the product gets dirty, wash it with your hands holding the battery cover
and external connection terminal cover so that they do not open. Do not use a
brush or sponge.
• After the product gets wet
After the product gets wet, drain water, and wipe the main unit and the battery
cover with a clean dry cloth without removing the battery cover.
In cold climates, water on the main unit may turn to frost. Using the product
with frost may cause a fault. Do not leave the product without wiping off water.
(No special measures against condensation have been implemented in this
product.)
• Rubber seals
The rubber seals on the inner edges of the
external connection terminal cover and battery
cover are important to maintain waterproof and
dustproof property. Do not damage or remove
the rubber seals.
When closing the external connection terminal
cover or battery cover, take care not to get the
rubber seals caught. Forcibly closing the cover
with the rubber seals caught may damage them
resulting in loss of waterproof and dustproof property. Just a small particle (a
hair, etc.) on the seals can cause water leak.
If any liquid other than plain water (e.g. alcohol) gets on the rubber seals, it
may cause deterioration in durability.
Do not insert sharp objects into gaps around the external connection terminal
cover and battery cover. Doing so might damage or deform the product or
damage the rubber seals, causing water or dust enters inside.
It is recommended to replace the parts for maintaining waterproof and
dustproof property once every two years regardless of whether any abnormality
is present. For information on part replacement, contact an au shop near you or
Customer Service Center.
• Charging
Never charge the battery if the main unit is wet.
The supplied and optional accessories are neither waterproof nor dustproof.
• Waterproof property
Do not use the product in places where it may be sprayed with high-pressure
water (e.g. near a faucet or showerhead) or submerge it in water for extended
periods of time, as the product is not designed to withstand high water
pressure. Also, do not expose the product to a water flow stronger than the
specified flow rate (i.e. 6 liters per minute from a faucet or showerhead, at
which you might even feel pain in the skin). Doing so might cause a fault, even
though the product has a waterproof property equivalent to IPX5. Do not wash
the product in a washing machine or ultrasound bath.
This product does not float on water.
• Heat resistance
Do not use the product in places where boiling water may splash on it, in
saunas or near hot air (e.g. hairdryer). The product is not resistant to high
temperatures.
• Shock
This product is not resistant to shock. Do not drop the product or subject it
to shock. Also, do not jab the earpiece, microphone or speaker with a cotton
swab or any sharp object. Doing so might damage or deform the main unit
causing water or dust enters inside.
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