VX4792 User Manual
3-1
Command Syntax
A large set of commands can be used to control the operations and functions of
the VX4792 Arbitrary Waveform Generator from an external controller. The
Command Syntax section describes the syntax and communication rules for
using these commands to operate the waveform generator.
Be sure to read this section before attempting to send commands to your
waveform generator.
Command Notation
The command syntax is in extended BNF (Backus-Naur Form) notation. The
extended BNF symbols used in the command set are shown in the Table 3–1.
Table 3-1: BNF Symbols and Meanings
Symbol Meaning
Program and Response Messages
Programs created or placed in an external controller are transferred to the
VX4792 Arbitrary Waveform Generator as a program message. A program
message is a sequence of zero or more program message units delimited by the
program message unit delimiter, the semicolon (;).
A program message unit is a set command or query command. The waveform
generator performs a function or changes a setting or mode when it receives a set
command; when the waveform generator receives a query command, it returns
measurement data, settings, status codes and/or status messages. The waveform
generator transfers these response messages to the external controller.
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