Samsung R21plus Laptop User Manual


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17
Volume Control
(Headphones and Speakers)
Check your volume rst to listen to music.
■ 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reection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speciedintheUserGuide.
Check your
volume!!
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