National Instruments pxi ni 5401 用户手册

The following conventions are used in this manual: 

The » symbol leads you through nested menu items and dialog box options 
to a final action. The sequence File»Page Setup»Options directs you to 
pull down the File menu, select the Page Setup item, and select Options 
from the last dialog box.

♦

The 

♦

 symbol indicates that the following text applies only to a specific 

product, a specific operating system, or a specific software version.

This icon denotes a note, which alerts you to important information.

This icon denotes a caution, which advises you of precautions to take to 
avoid injury, data loss, or a system crash.

This icon denotes a warning, which advises you of precautions to take to 
avoid being electrically shocked.

Bold text denotes items that you must select or click on in the software, 
such as menu items and dialog box options. Bold text also denotes 
parameter names.

Italic text denotes variables, emphasis, a cross reference, or an introduction 
to a key concept.

monospace

Text in this font denotes text or characters that you should enter from the 
keyboard. This font is also used for the proper names of functions, 
variables, and filenames and extensions.

monospace italic

Italic text in this font denotes text that is a placeholder for a word or value 
that you must supply.