Sony SRF-DR2000 - Manual (Page 28)

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Precautions
• Operate the unit only on 1.5 V DC with two R6 (size AA)
batteries.
• Avoid exposure to temperature extremes, direct sunlight,
moisture, sand, dust or mechanical shock. Never leave the unit
in a car parked in the sun.
• Should anything fall into the unit, remove the batteries and have
the unit checked by qualified personnel before operating it any
further.
• To clean the casing, use a soft cloth dampened with a mild
detergent solution.
• In vehicles or buildings, radio reception may be difficult or
noisy. Try listening near a window.
Notes on Headphones
Road safety
Do not use headphones while driving, cycling, or operating
any motorized vehicle. It may create a traffic hazard and is
illegal in many areas. It can also be potentially dangerous to
play your headphones at high volume while walking,
especially at pedestrian crossings. You should exercise extreme
caution or discontinue use in potentially hazardous situations.
Preventing hearing damage
Avoid using headphones at high volume.
Hearing experts advise against continuous, loud and extended
play. If you experience a ringing in your ears, reduce volume
or discontinue use.
Caring for others
Keep the volume at a moderate level. This will allow you to
hear outside sounds and to be considerate to people around
you.