Lenovo 10009 Instrukcja bezpieczeństwa i gwarancji - Strona 21

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2. Select appropriate operating desks and seats and adjust their height to ensure

your forearms are parallel with the ﬂoor while operating the keyboard and

mouse, and your eyes are basically on the same level with the monitor, as well

as ensure that your thighs are basically parallel with the ﬂoor and your feet can

be placed on the ﬂoor steadily. Furthermore, you may also choose backrest-

adjustable seats to enhance your comfort.

Warning

Incorrect posture or keyboard used for too much may cause physical injury.

3. Avoid facing the screen for too much with the same posture. It is recommended

to change your posture frequently and move your eyes away from the monitor

from time to time, which will help you maintain a relax posture and reduce visual

fatigue. Furthermore, take break for a moment or relax every some time (such

as 1 hour) to help you eliminate your physical fatigue.

Warning

Watching the screen of the display for a long time may lead to your visual

fatigue or even damage eyesight.

4. Avoid direct sunlight or other strong light to irradiate the computer, especially to

avoid the reﬂection of the screen of the display caused by the direct irradiation

to the display and the effect on your vision. If the computer is next to the

window, take shading measures when the computer is used.

5. Both its mainframe and monitor will eradiate heating while the computer

operates. Both the mainframe and the monitor are equipped with corresponding

heating eradiation vents, and the system failure or damage may occur once

these vents are blocked. Hence, ensure that the computer system is placed at a

place with well ventilation and unblocked heating eradiation. It is recommended

that the host, monitor and other objects be 5cm away from each other at least.

Warning

Must fully remove the dustproof shield (if provided) to facilitate the heating

eradiation and ventilation when the computer is running or before the power

supply of the computer is completely switched off.

6. Keep the computer away from objects or environments with electromagnetic

interference (EMI) such as magnets, working mobile phones and electrical

appliances.

Safety and warranty guide