R&S FSL Notation
1300.2519.12 6.3 E-11
Special Characters
| A selection of key words with an identical effect exists for several commands. These
keywords are indicated in the same line; they are separated by a vertical stroke. Only one of
these keywords needs to be included in the header of the command. The effect of the
command is independent of which of the keywords is used.
Example:
SENSe:FREQuency:CW|:FIXed
The two following commands with identical meaning can be created. They set the
frequency of the fixed frequency signal to 1 kHz:
SENSe:FREQuency:CW 1E3
SENSe:FREQuency:FIXed 1E3
A vertical stroke in parameter indications marks alternative possibilities in the sense of "or".
The effect of the command is different, depending on which parameter is used.
Example: Selection of the parameters for the command
[SENSe<1|2>:]AVERage:TYPE VIDeo | LINear
If parameter SINGle is selected, full screen is displayed, in the case of SPLit, split screen
is displayed.
[]
Key words in square brackets can be omitted when composing the header. 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 "Remote Control – Basics", 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>
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