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Documentation Conventions
Unless otherwise noted in the text, this guide uses the following symbolic
conventions.
Electrostatic Discharge (ESD) Precautions
Electrostatic charges can damage the integrated circuits on printed
circuit boards. To prevent such damage from occurring, observe the
following precautions during board unpacking and installation:
• Stand on a static-free mat.
• Wear a static strap to ensure that any accumulated electrostatic
charge is discharged from your body to ground.
• Create a common ground for the equipment you are working on by
connecting the static-free mat, static strap, routing nodes, and
peripheral units to that piece of equipment.
• Keep uninstalled printed circuit boards in their protective antistatic
bags.
• Handle printed circuit boards by their edges, once you have removed
them from their protective antistatic bags.
user-supplied values Italic words or characters in syntax and command
descriptions represent values that you must supply.
Italics are also used in text for emphasis.
screen display Information that the system displays, commands that
you must use literally, and path names appear in this
typeface.
Enter
Keycaps are presented with a special keycap font as
shown in the left column. (In this document, we refer
to the Enter key. On your keyboard, the key may be
labeled either Enter or Return.)