Symbol Description
The following four symbols are not the content of SCPI commands and will not
be sent with the commands, but are usually used to describe the parameters in
the commands.
Braces { }
The parameters enclosed in braces are optional and can be ignored or set for
one or more times. For example,
In the [:TRACe]:DATA[:DATA] VOLATILE,<value>{,<value>} command, the
floating point voltage in {,<value>} can be omitted or be set to one or more
values.
Vertical Bar |
The vertical bar is used to separate multiple parameters and one of the
parameters must be selected when sending the command. For example,
In the :DISPlay:SAVer[:STATe] ON|OFF command, the command parameters
available are "ON" and "OFF".
Triangle Brackets < >
The parameter enclosed in the triangle brackets must be replaced by an
effective value. For example,
Send the :DISPlay:BRIGhtness <brightness>|MINimum|MAXimum command in
:DISPlay:BRIGhtness 10 format.
Square Brackets [ ]
The content (parameter or keyword) enclosed in the square brackets can be
omitted. When the parameter is omitted, the instrument will set the parameter
to its default. For example,
for the [:SOURce<n>]:MOD[:STATe]? command,
sending any of the four commands below can generate the same effect:
:MOD?
:MOD:STATe?
:SOURce1:MOD?
:SOURce1:MOD:STATe?
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