EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 368)

Referencia de instrucciones SCPI
354 OTDR
Product-Specific Commands—Description
:CALCulate[1..n]:RBScatter?
Description This query returns the Rayleigh backscatter used
for the trace corresponding to the specified trace
index.
Since *RST clears the RBS value, the returned
value will be 0.
Syntax :CALCulate[1..n]:RBScatter?TRC1|TRC2|
TRC3|TRC4
Parameter(s) Label:
The program data syntax for the first parameter is
defined as a
element. The allowed
DATA> elements for this parameter are:
TRC1|TRC2|TRC3|TRC4.
Trace index of the available wavelengths.
Response Syntax
Response(s) RBS:
The response data syntax for is defined
as a
element.
Returns the Rayleigh backscatter used by the
trace corresponding to the specified trace index.