Specifications

276 Chapter 17
GPIB Command Reference
Format
Conventions
This section defines the terms and symbols used as conventions in the command
references.
Format
The section titled “Format” shows the format(s) that is (are) used to transmit the command
to the E4991A. Each format consists of the command label and parameter fields, which are
separated by spaces.
If two or more parameters appear in a format, they are separated by commas (,). Two
periods (..) inserted between commas indicate that at least one parameter has been omitted.
If there are character string parameters (e.g., <character-string>, <character-string-1>),
each parameter must be enclosed within double quotation marks (").
Any lowercase alphabetic characters in a command may be omitted. For example, the
command label
:SYSTem:PRESet may be abbreviated to the SYST:PRES command on
page 523.
The following symbols are used in the format section:
<> A character string enclosed within angle brackets represents a
parameter that is required to transmit the command.
[] Anything enclosed within brackets may be omitted.
{} Only one of the items enclosed within braces can be selected. These
items are separated by vertical strokes (|).
Description
The section titled “Description” describes how to use the command and what is does when
executed.