Appendix
62
Hearing and volume control
VOLUME
Check your volume!
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Ensure that the volume is not too loud before using the
headset or earpiece. Excessive exposure to loud sounds can
cause hearing damage.
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Always turn the volume down before plugging the earphones
into an audio source and use only the minimum volume
setting necessary to hear your conversation or music.
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Avoid using headphones for long periods of time.
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Default audio settings can be changed by software and driver
updates without your knowledge. Always recheck equalizer
and volume settings before listening to audio.
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To prevent possible hearing damage, do not listen at high
volume levels for long periods.
Eye position and display illumination
50 cm
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Position the screen at least 50 cm away from your eyes.
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Adjust the height of the screen so that its top edge is equal to
or just below the level of your eyes.
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Avoid setting the screen’s brightness settings excessively high.
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Keep the screen clean.
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If wearing glasses, clean them before using the computer.
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When referring to printed content while typing, use a static
paper holder to hold the paper at about the same height as
the monitor.
