Command Description R&S SMB
1407.0806.32 6.2 E-2
Example: Selection of the parameters for the command
SOURce:COUPling AC | DC
If parameter AC is selected, only the AC content is fed through,
in the case of DC, the DC as well as the AC content.
[ ] Key words in square brackets can be omitted when composing the header
(cf. Chapter 5, Optional Keywords). The full command length must be
accepted by the instrument for reasons of compatibility with the SCPI
standards.
Parameters in square brackets can be incorporated optionally in the
command or omitted as well.
{ } Parameters in braces can be incorporated optionally in the command,
either not at all, once or several times..
Description of parameters Due to the standardization, the parameter section of SCPI commands
consists always of the same syntactical elements. SCPI has therefore
specified a series of definitions, which are used in the tables of commands.
In the tables, these established definitions are indicated in angled brackets
(<...>) and will be briefly explained in the following (see also Chapter 5,
Section "Parameters").
<Boolean> This keyword refers to parameters which can adopt two states, "on" and
"off". The "off" state may either be indicated by the keyword OFF or by the
numeric value 0, the "on" state is indicated by ON or any numeric value
other than zero. Parameter queries are always returned the numeric value
0 or 1.
<numeric_value>
<num> These keywords mark parameters which may be entered as numeric
values or be set using specific keywords (character data).
The following keywords given below are permitted:
MINimum This keyword sets the parameter to the smallest possible
value.
MAXimum This keyword sets the parameter to the largest possible value.
DEFault This keyword is used to reset the parameter to its default
value.
UP This keyword increments the parameter value.
DOWN This keyword decrements the parameter value.
The numeric values associated to MAXimum/MINimum/DEFault can be
queried by adding the corresponding keywords to the command. They
must be entered following the quotation mark.
Example: SOURce:FREQuency? MAXimum
eturns the maximum possible numeric value of the center frequency as
result.
<arbitrary block program data>
This keyword is provided for commands the parameters of which consist of
a binary data block.
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