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19
Cautions
Appendix B
l Alkaline battery is recommended.
l Align the poles (+) and (-
) correctly when inserting
the batteries.
l Battery play time may be shorter than usual
after
frequent key operation.
l
Remove the battery if you do not intend to use the
unit for a long time.
l Do
not peel off the covering on battery and do not
use if the covering has been peeled off.
Selection and care of battery
l
Do not play your earphones at a high volume.
Hearing experts advise against continuous
extended play.
l
If you experience a ringing in your ears, reduce
volume or discontinue use.
l
Do not use while operating a motorized vehicle. It
may create a traffic hazard and is illegal in many
areas.
l
You should use extreme caution or temporarily
discontinue use in potentially hazardous
situations.
l Don’t turn up the volume so high that you can’
t
hear what’s around you.
l
Discontinue use if you experience discomfort
with the headphones or earphones. Continued use
may cause rashes or other allergic reactions.
Precautions for Listening with the Earphones
l No altering or remodeling.
This can cause malfunctioning.
l No dropping or strong impacts
This may damage the unit.
l Locations to be avoided
Av
oid using or storing the unit in following
locations since they can cause malfunctioning.
1. Bathrooms and other moisture -prone places
2. Warehouses and other dusty place.
3. Very hot places near heating appliances, etc.
l
Avoid keeping the unit in places with high
humidity, strong magnetic field, or near high
heat source(s).
l Do not leave the unit exposed to dire
ct sunlight
for long periods of time
Handling the Unit