Agilent Technologies E6392B Specifications Page 21

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20 Chapter 2
Programming Command Guidelines
Getting Started with Programming Commands
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:
CONFigure:PRINter HPPCL | ESCP
Syntax statements read from left to right. In this example, the :PRINter portion of
the statement immediately follows the :CONFigure 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 :PRINter portion of the
statement is the argument. Additional conventions used in the syntax statements
are defined as follows:
::= means “is defined as.”
| (vertical bar) indicates a choice of one element from a list. For example,
<A>|<B> indicates that either A or B can be chosen, but not both.
[] (square brackets) indicate that the enclosed items are optional.
<>(angle brackets) enclose variable items that represent user choices
(parameters) to be entered.
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 be either 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. Most
commands accept this command when it is entered immediately after the
command name. The returned information, <value>, varies in format according
to the type of the field.
;: (a semicolon and a colon) are used to separate two or more root level
command statements on the same line.
“:TEST:MAN:COND:PCL <num>;:TEST:MAN:SENS:LEV <num>”
; (a semicolon) can also be used to condense command words on one line if the
commands are equal, or of decreasing hierarchy under the keyword.
“:TEST:MAN:COND:PCL <num>;AMPL <num>”
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