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Adaptability index for product operating environment
Adaptability for power supply 220V ± 22V, 50Hz ± 1Hz
(China desktops only)
90V - 264V, 50/60Hz
(Adaptive voltage positioning)
90V - 264V, 50Hz ± 1Hz
(With voltage selection switch)
Operating temperature 10˚C - 35˚C
Relative humidity for operation 35% - 80%
Storage & transportation temperature -40˚C - 55˚C
-20˚C - 55˚C (AIO)
Relative humidity for storage & transportation 20% - 93% (40˚C)
Atmospheric pressure 86 kPa - 106 kPa
WARNING:
Powering on the computer after it has been moved from a low-temperature
environment can cause irreversible damage. Leave the computer for 2 hours or
longer to come up to operating temperature before starting it.
2. Select appropriate desks and chairs for operating the product. Adjust the height
of furniture so that your forearms are parallel with the floor when operating the
keyboard and mouse, your eyes are level with the monitor, your thighs are parallel
to the floor and your feet can be placed firmly on the floor. You may also choose
backrest-adjustable seats to enhance your comfort.
WARNING:
Using a keyboard with incorrect posture for extended periods of time may cause
physical injury.
3. Avoid looking at the screen and holding the same posture for extended periods
of time. We recommend changing posture frequently and looking away from the
screen occasionally in order to stay relaxed and reduce eye strain. Take a short
break at regular intervals (e.g. every hour) to reduce physical fatigue.
WARNING:
Looking at the screen for extended periods may cause eye strain or damage.
4. Avoid having sunlight or other bright light falling on the computer, especially if it
would cause reflections on the screen and affect visibility. If the computer is next to
a window, ensure the monitor is adequately shaded when the computer is in use.
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Lenovo Ideacentre 520S Quick start guide - English - 2 pages

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Lenovo Ideacentre 520S Quick start guide - Dutch - 2 pages


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