Programming Information ESG-D Series Option H98 Signal Generators
Getting Started with SCPI
5-4 Manual Supplement
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
reference documents the values used for optional parameters.
Command Syntax
Following the heading for each programming command entry is a syntax statement
showing the proper syntax for the command. An example syntax statement is shown here:
POWer[:LEVel] MAXimum|MIN
Syntax statements read from left to right. In this example, the [:LEVel] portion of the
statement immediately follows the
POWer portion of the statement with no separating
space. A separating space is legal only between the command and its argument. In this
example, the portion following the
[:LEVel] portion of the statement is the argument.
Additional conventions used in the syntax statements are defined as follows:
• Italics are used to symbolize a program code parameter or query response.
• ::= means “is defined as.”
•
| (vertical bar) indicates a choice of one element from a list. F
or example, <A>|<B>
indicates <A> or <B> but not both.
• {} (braces or curly brackets) indicate that the enclosed items may be included zero or
more times.
• [] (square brackets) indicate that the enclosed items are optional.
• Upper-case lettering indicates that the upper-case portion of the command is the
minimum required for the command. For example, in the command
FREQuency, FREQ is
the minimum requirement.
• Lower-case lettering indicates that the lower-case portion of the command is optional; it
can either be included with the upper-case portion of the command or omitted. For
example, in the command
FREQuency, either FREQ, or FREQUENCY is correct.
•
? after a subsystem command indicates that the command is a query.
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