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Parameters Parameter Types. The following table contains explanations and examples
of parameter types you might see later in this chapter.
Table 5-1. SCPI Parameter Types
Parameter Type Explanations and Examples
Numeric Accepts all commonly used decimal representations of
numbers including optional signs, decimal points, and
scientific notation.
123, 123E2, -123, -1.23E2, .123, 1.23E-2, 1.23000E-01.
Special cases include MIN, MAX, and INF.
Boolean Represents a single binary condition that is either
true or false.
ON, OFF, 1, 0.
Discrete Selects from a finite number of values. These parameters
use mnemonics to represent each valid setting.
An example is the TRIGger:SOURce <
source> command
where <
source> can be BUS, EXT, HOLD, or IMM.
Optional Parameters. Parameters shown within square brackets ( [ ] ) are
optional parameters. (Note that the brackets are not part of the command
and are not sent to the instrument.) If you do not specify a value for an
optional parameter, the instrument chooses a default value. For example,
consider the
ARM:COUNt? [<MIN | MAX>] command. If you send the
command without specifying a parameter, the present
ARM:COUNt value is
returned. If you send the
MIN parameter, the command returns the
minimum count available. If you send the
MAX parameter, the command
returns the maximum count available. Be sure to place a space between the
command and the parameter.
Linking Commands Linking IEEE 488.2 Common Commands with SCPI Commands. Use
a semicolon (;) between the commands. For example:
*RST;OUTP ON or TRIG:SOUR HOLD;*RST
Linking Multiple SCPI Commands. Use both a semicolon (;) and a colon
(
:) between the commands. For example:
ARM COUN 1;:TRIG:SOUR EXT
Chapter 5 HP E1366A/E1367A RF Multiplexers Command Reference 39