Sony 4-153-621-14(1) Manual

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PRS-600.GB.4-153-621-14(1)
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Other Information
On heat build-up
Heat may build up in the Reader while charging, or if it is 
used for an extended period of time.
On the 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 at a 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 the headphones at a high volume. Hearing 
experts advise against continuous, loud and extended play. 
If you experience a ringing in your ears, reduce the 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 the people 
around you.
Warning
If lightning occurs while you are using the Reader, take off 
the headphones immediately.