Samsung NP-R25 User Manual (Vista) User Manual page 18

Volume Control
(Headphones and Speakers)
Check your volume first to listen to music.
Check your
volume!!
■ Check if the volume is too loud before using
headphones.
■ It is not recommended using headphones for long
periods of time.
Use Time (Break Time)
■ Take a break for 10 minutes or more after a 50-minute
period when working for more than one hour.
Illumination
■ Do not use the computer in dark locations. The
illumination level for computer use must be as bright
so for reading a book.
■ Indirect illumination is recommended. Use a curtain to
prevent reflection on the LCD screen.
Operation Condition
■ Do not use the computer in hot and humid locations.
■ Use the computer within the allowed temperature and
humidity range specified in the User Guide.
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