Operating instructions

Structure and Syntax of the Device Messages R&S ESCI
1166.6004.12 5.10 E-1
Optional key words: Some command systems permit certain key words to be optionally inserted
into the header or omitted. These key words are marked by square
brackets in the description. The full command length must be recognized
by the instrument for reasons of compatibility with the SCPI standard.
Some commands are considerably shortened by these optional key words.
Example: [SENSe]:BANDwidth[:RESolution]:AUTO
This command couples the resolution bandwidth of the
instrument to other parameters. The following command has
the same effect:
BANDwidth:AUTO
Note: An optional key word must not be omitted if its effect is specified
in detail by a numeric suffix.
Long and short form: The key words feature a long form and a short form. Either the short form
or the long form can be entered, other abbreviations are not permissible.
Beispiel: STATus:QUEStionable:ENABle 1= STAT:QUES:ENAB 1
Note: The short form is marked by upper-case letters, the long form
corresponds to the complete word. Upper-case and lower-case
notation only serve the above purpose, the instrument itself
does not make any difference between upper-case and lower-
case letters.
Parameter: The parameter must be separated from the header by a "white space". If
several parameters are specified in a command, they are separated by a
comma ",". A few queries permit the parameters MINimum, MAXimum and
DEFault to be entered. For a description of the types of parameter, refer to
Section "Parameters".
Example: SENSe:FREQuency:STOP? MAXimum Response: 3.5E9
This query requests the maximal value for the stop frequency.
Numeric suffix: If a device features several functions or features of the same kind, e.g.
inputs, the desired function can be selected by a suffix added to the com-
mand. Entries without suffix are interpreted like entries with the suffix 1.
Example:. SYSTem:COMMunicate:SERial2:BAUD 9600
This command sets the baudrate of a second serial interface.