Specifications

1-32 Programming Guide
Preparing for Use ESG Family Signal Generators
Getting Started with SCPI
More About Commands
Query and Event Commands
You can query any value that you can set. For example, the presence of the signal
generator FREQuency:OFFSet command implies that a FREQuency:OFFSet? also exists. If
you see a command ending with a question mark, it is a query-only command. Some
commands are events and cannot be queried. An event has no corresponding setting if it
causes something to happen inside the instrument at a particular instant.
Implied Commands
Implied commands appear in square brackets. If you send a subcommand immediately
preceding an implied command, but do not send the implied command, the instrument
assumes you intend to use the implied command and behaves just as if you had sent it.
Notice that this means that the instrument expects you to include any parameters
required by the implied command. The following example illustrates equivalent ways to
program the signal generator using explicit and implied commands.
Example signal generator commands with and without an implied command:
Optional Parameters
Optional parameter names are enclosed in square brackets. If you do not send a value for
an optional parameter, the instrument chooses a default value. The instrument’s command
dictionary documents the values used for optional parameters.
FREQuency[:CW] 500 MHz using explicit commands
FREQuency 500 MHz using implied commands