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Conventions
[ ]
»
bold
italic
monospace
GPIB terms used within this manual are:
GPIB
System controller
The following conventions are used in this manual:
Square brackets indicate the key to be pressed.
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 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 symbol is marked on a product, it denotes a warning advising you to
take precautions to avoid electrical shock.
When symbol is marked on a product, it denotes a component that may be
hot. Touching this component may result in bodily injury.
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 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.
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,
programs, subprograms, subroutines, device names, functions, operations,
variables, filenames, and extensions.
General Purpose Interface Bus
The system controller has the unique ability to retrieve active control of the
bus or to enable devices to be remotely programmed. It takes control of the
bus by issuing an IFC (Interface Clear) message for at least 200 µsec. It also
can put devices into the remote state by asserting the REN (Remote Enable)
line.
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