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Safety Instructions: Dell™ PowerEdge™ 6400 Systems User's Guide

Overview Ergonomic Computing Habits
When Using Your Computer System When Working Inside Your Computer

Overview

Use the following safety guidelines to help protect your computer system from potential damage and to ensure your own personal safety.

CAUTION: 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.
CAUTION: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
CAUTION: This system may have more than one power supply cable. To reduce the risk of electrical shock, a trained service technician must disconnect all power supply cables before servicing the system.

When Using Your Computer System

As you use your computer system, observe the following safety guidelines:


Ergonomic Computing Habits

CAUTION: Improper or prolonged keyboard use may result in injury.
CAUTION: Viewing the monitor screen for extended periods of time may result in eye strain.

For comfort and efficiency, observe the following ergonomic guidelines when setting up and using your computer system:

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1 Monitor screen at or below eye level
2 Wrists relaxed and flat
3 Arms at desk level
4 Feet flat on the floor
5 Monitor and keyboard positioned directly in front of the user

 


When Working Inside Your Computer

Take note of these safety guidelines when appropriate.

NOTICE: To help avoid possible damage to the system board, wait 5 seconds after turning off the system before disconnecting a peripheral device from the computer.

When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before disconnecting the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, make sure that both connectors are correctly oriented and aligned.


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