National Instruments 3.x 用户手册

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NI-DAQmx Base Getting Started Guide
2
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Conventions
The following conventions are used in this guide.
»
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.
This icon denotes a tip, which alerts you to advisory information.
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. When this symbol is marked 
on the device, refer to the Read Me First: Safety and Radio-Frequency 
Interference
 document, shipped with the device, for precautions to take.
bold
Bold text denotes items that you must select or click in the software, such 
as menu items and dialog box options. Bold text also denotes parameter 
names.
italic
Italic text denotes variables, emphasis, a cross-reference, or an introduction 
to a key concept. Italic text also denotes text that is a placeholder for a word 
or value that you must supply.
monospace
Text in this font denotes text or characters that you should enter from the 
keyboard, sections of code, programming examples, and syntax examples. 
This font is also used for the proper names of disk drives, paths, directories,