Saf
ety Precautions
High Temperature
Operation
Tested in an operation environment of
50°C continuously for 3 hours, and a
storage environment of 60°C continuously
for 4 hours
High Temperature
Storage
Low Temperature
Operation
Tested in an operation environment of
-21°C continuously for 3 hours, and a
storage environment of -30°C continuously
for 4 hours
Low Temperature
Storage
Low Pressure
Storage
Tested continuously for 2 hours (57.2 kPa/
equivalent to altitude of about 4,572 m)
Low Pressure
Operation
Freeze-Thaw
Tested by first subjecting to -10°C
environment with condensation and mist
for 1 hour, and then checking operation in
a 25°C, 95% RH environment
Icing/Freezing
Rain
Tested by exposing to -10°C chilled water
until coated with ice to 6 mm
Operation of the product in every possible condition during actual use
is not guaranteed. Malfunctions determined to be caused by
mishandling by the customer are not covered by the warranty.
Important Items to Remember before
Use
●
Make sure the external connection terminal cover is closed firmly
and the back cover is completely attached. Water resistance is
effective when completely sealed.
●
Never open/close the external connection terminal cover or back
cover when the product or your hands are wet.
●
Do not let the product submerged into or get wet with the liquids
(seawater, water from a swimming pool, hot water of hot spring,
water containing soap, detergent, bath powder, alcohol, soft drink,
seasoning, etc.) other than tap water. Also, do not use it in a place
where it gets wet with pet urine.
●
If the product gets splashed, immediately rinse it off with tap water.
●
Do not place the product directly on sand at a beach, etc. Sand or
other small particles might get inside the earpiece (receiver),
mouthpiece (microphone), or speaker, causing the volume to drop.
If sand gets inside the product from hinges, it might cause
overheating or a fault.
●
Do not use or leave the product in a humid place such as a
bathroom or kitchen for an extended period of time.
●
Moisture may still remain after draining. While this will not affect
use, you should not leave the product next to items you do not want
to get wet. Product may wet clothing, inside of carry bag, etc.
●
Drain any water in the mouthpiece (microphone), earpiece
(receiver), or speaker that may be affecting audibility.
●
Product is not designed to resist water pressure. Avoid exposing to
high water pressure or submersing in water for a long period.
●
Do not wash the product in a washing machine or ultrasonic bath.
●
Do not immerse the product into a bathtub. Product is not designed
to be heat resistant.
●
The rapid changes of temperature may cause condensation,
resulting in malfunction. Wait until the product reaches room
temperature before you bring the product from a cold place into a
warm bathroom.
●
The product does not float on water.
23
