Keysight E4980A - Notational conventions in this command reference

316 Keysight E4980A/AL Precision LCR Meter
SCPI Command Reference
Notational conventions in this command reference
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Notational conventions in this command reference
This section describes the rules to read the description of the commands in this
chapter.
Syntax
A part with the heading “Syntax” describes the syntax to send a command from
the external controller to the E4980A/AL. A syntax consists of a command part
and a parameter part. A space is used to separate the command part and the
parameter part.
If there are several parameters, a comma is used instead as the separator
between adjacent parameters. Three periods (…) between commas indicate
that parameters in that part are omitted. For example,<numeric
1>,…,<numeric 4> indicates that four parameters,<numeric 1>,<numeric
2>,<numeric 3>, and <numeric 4>, are required.
String-type parameters,<string>,<string 1>, and so on, must be enclosed in
double quotation marks (“). Furthermore,<block> indicates block-format data.
You can omit the lowercase letters in syntax. For example,
“:BIAS:POLarity:CURRent” can be shortened to “BIAS:POL:CURR.”
The definitions of symbols used in the syntax are as follows.
<> Characters enclosed in this pair of symbols are necessary
parameters when sending a command.
[] A part enclosed in these parentheses can be omitted.
{} A part enclosed in these parentheses indicates that you must
select one of the items in this part. Individual items are
separated by a vertical bar (|).
For example, “BIAS:CURR 0.001,” “:BIAS:CURRENT:LEVEL 1E-3,” and so on
are valid for the syntax given below.
Syntax :BIAS:CURRent[:LEVel] <numeric>
Description
A part with the heading “Description” describes how to use the command or
the operation when executed.
Parameters
A part with heading “Parameters” describes parameters necessary for sending
the command. When a parameter is a value type or a string type enclosed with
<>, its description, allowable setup range, preset (factory-set) value, and so on
are given; when a parameter is a selection type enclosed by {}, the description
of each selection item is given.