Lenovo 30141DU - IdeaCentre Q100 Mini PC Safety And Warranty Manual page 51

Warning
It will cause irremovable failure when the computer is powered on immediately after it is moved from the
environment with low temperature to the operating temperature, so make sure your computer to restore
for more than 2 hrs under the operating temperature.
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.
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Safety and warranty guide