TDS5000B Online Programmer Guide
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Command Syntax
Syntax Overview
You can control the operations and functions of the instrument through
the GPIB interface using commands and queries. The related topics
listed below describe the syntax of these commands and queries. The
topics also describe the conventions that the instrument uses to process
them. See the Command Groups topic in the table of contents for a list-
ing of the commands by command group, or use the index to locate a
specific command.
Backus--Naur Form Notation
This documentation describes the commands and queries using Back-
us--Naur Form (BNF) notation. Refer to the following table for the
symbols that are used.
Symbols for Backus--Naur Form
Symbol Meaning
<> Defined element
::= Is defined as
| Exclusive OR
{} Group; one element is required
[] Optional; can be omitted
... Previous element(s) may be repeated
() Comment
Command and Query Structure
Overview
Commands consist of set commands and query commands (usually
called commands and queries). Commands modify instrument settings
or tell the instrument to perform a specific action. Queries cause the
instrument to return data and status information.
Most commands have both a set form and a query form. The query
form of the command differs from the set form by its question mark on
the end. For example, the set command ACQuire:MODe has a query
form ACQuire:MODe?. Not all commands have both a set and a query
form. Some commands have set only and some have query only.
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