v
Safety Instructions
U
se the following safety guidelines to help protect
your computer system from potential damage and to
ensure your own personal safety.
W
hen Using Your Computer
System
As you use your computer system, observe the following
safety guidelines:
•
If your computer has a voltage selection switch on
the power supply, be sure the switch is set to match
the alternating current (AC) power available at your
location:
— 115 volts (V)/60 hertz (Hz) in most of North and
South America and some Far Eastern countries
such as Japan, South Korea, and Taiwan
— 230 V/50 Hz in most of Europe, the Middle
East, and the Far East
•
Be sure your monitor and attached peripherals are
electrically rated to operate with the AC power avail-
able in your location.
•
To help prevent electric shock, plug the computer
and peripheral power cables into properly grounded
power sources. These cables are equipped with
3-prong plugs to ensure proper grounding. Do not
use adapter plugs or remove the grounding prong
from a cable. If you must use an extension cable, use
a 3-wire cable with properly grounded plugs.
•
To help protect your computer system from sudden,
transient increases and decreases in electrical power,
use a surge suppressor, line conditioner, or uninter-
ruptible power supply.
•
Be sure nothing rests on your computer system’s
cables and that the cables are not located where they
can be stepped on or tripped over.
•
Do not spill food or liquids on your computer.
•
Do not push any objects into the openings of your
computer. Doing so can cause fire or electric shock
by shorting out interior components.
•
Keep your computer away from radiators and heat
sources. Also, do not block cooling vents. Avoid
placing loose papers underneath your computer; do
not place your computer in a closed-in wall unit or
on a rug.
E
rgonomic Computing Habits
For comfort and efficiency, observe the following ergo-
nomic guidelines when setting up and using your
computer system:
•
Position your system so that the monitor and key-
board are directly in front of you as you work.
Special shelves are available (from Dell and other
sources) to help you correctly position your
keyboard.
WARNING: The power supplies in this computer
system produce high voltages and energy hazards,
which can cause bodily harm. Only trained service
technicians are authorized to remove the computer
covers and access any of the components inside the
computer.
WARNING: Improper or prolonged keyboard use
may result in injury.
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