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About This Manual
PCI-4451/4452 User Manual x
©
National Instruments Corporation
•The Glossary contains an alphabetical list and description of terms
used in this manual, including abbreviations, acronyms, metric
prefixes, mnemonics, and symbols.
•The Index contains an alphabetical list of key terms and topics in this
manual, including the page where you can find each one.
Conventions Used in This Manual
The following conventions are used in this manual:
<> Angle brackets enclose the name of a key on the keyboard—for example,
<shift>. Angle brackets containing numbers separated by an ellipsis
represent a range of values associated with a bit or signal name—for
example, DBIO<3..0>.
♦ The ♦ symbol indicates that the text following it applies only to a specific
product, a specific operating system, or a specific software version.
* An asterisk following a signal name denotes an ACTIVE LOW signal.
This icon to the left of bold italicized text denotes a note, which alerts you
to important information.
This icon to the left of bold italicized text denotes a caution, which advises
you of precautions to take to avoid injury, data loss, or a system crash.
bold italic Bold italic text denotes an activity objective, note, caution, or warning.
DSA DSA refers to dynamic signal acquisition.
italic Italic text denotes variables, emphasis, a cross reference, or an introduction
to a key concept. This font also denotes text from which you supply the
appropriate word or value, as in NI-DAQ 6.x.
SE SE means referenced single ended (RSE). SE and RSE are equivilant.
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User.book Page x Tuesday, April 14, 1998 10:20 AM