Dell E1913S Руководство по технике безопасности - Страница 5
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Protecting Against Electrostatic
Discharge
Electrostatic discharge (ESD) events can harm electronic
components inside your equipment. To prevent ESD damage,
you should discharge static electricity from your body before
you interact with any of your equipment's internal electronic
components by touching a metal grounded object, such as
an unpainted metal surface on your computer's I/O panel.
In addition, as you work inside the equipment,
periodically discharge any static charge your body may
have accumulated.
General Power Safety
Observe the following guidelines when connecting your
equipment to a power source:
•
Check the voltage rating before you connect the equipment
to an electrical outlet to ensure that the required voltage
and frequency match the available power source.
•
Your device is equipped with either an internal power
source or an external adapter. For internal power sources,
your device is equipped with one of the following:
–
An auto-sensing voltage circuit - Devices with
an auto-sensing voltage circuit do not have
a voltage selection switch on the back panel and
automatically detect the correct operating voltage.
OR
Safety, Environmental, and Regulatory Information
–
A manual voltage selection switch - Devices with a
voltage selection switch on the back panel must be
manually set to operate at the correct operating
voltage. Set the switch to the position that most
closely matches the voltage used in your location.
NOTE: The switch on your system may be different
than the one pictured.
CAUTION: To help avoid damaging a computer with a
manual voltage selection switch, set the switch for the
voltage that most closely matches the AC power available
in your location.
•
To prevent electric shock, plug the equipment power cables
into properly grounded electrical outlets. If the equipment is
provided with a 3-prong power cable, do not use adapter
plugs that bypass the grounding feature, or remove the
grounding feature from the plug or adapter.
•
To remove a portable computer from all power sources,
turn the computer off, disconnect the AC adapter from the
electrical outlet, and remove any battery installed in the
battery bay or module bay.
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