SCPI Command Structure and Syntax  R&S FSL 
1300.2519.12 5.10  E-11 
Overview of Syntax Elements 
The following survey offers an overview of the syntax elements. 
 
: The colon separates the key words of a command. In a command line the separating 
semicolon marks the uppermost command level. 
; The semicolon separates two commands of a command line. It does not alter the path. 
, The comma separates several parameters of a command. 
? The question mark forms a query. 
* The asterisk marks a common command. 
" Quotation marks introduce a string and terminate it. 
# The hash symbol # introduces binary, octal, hexadecimal and block data. 
Binary: #B10110 
Octal:   #O7612 
Hexa:    #HF3A7 
Block:   #21312 
  A "white space" (ASCII–Code 0 to 9, 11 to 32 decimal, e.g. blank) separates header and 
parameter.