EXFO FTB-7000 OTDR Series for FTB-500 - Handbuch (Seite 369)

SCPI-Befehlsreferenz
OTDR 355
Product-Specific Commands—Description
Response(s) Reflectance:
The response data syntax for <Reflectance> is
defined as a <NR3 NUMERIC RESPONSE DATA>
element.
Returns the reflectance value in dB, calculated
using all three markers.
Example(s) CONF:ACQ:MODE ACQUISITION
INIT
INIT:STAT? Returns 0 when acquisition is
complete.
CALC:REF? TRC1,0,0.1 KM,200 Ex.: Returns –
24.549
CALC:REF? TRC1,0 M,100,200 M Ex.: Returns –
24.549
CALC:REF? TRC1,0 KM,100 M, 0.2 KM Ex.: Returns
–24.549
Notes See the section on reflectance measurement in
the FTB-7000 Optical Time Domain
Reflectometer user guide.
See Also CALCulate[1..n]:ANAlysis:[UNIDirectional]
CALCulate[1..n]:EVENt:COUNt?
CALCulate[1..n]:EVENt?
MMEMory[1..n]:LOAD:TRACe
TRACe[1..n]:CATalog?
:CALCulate[1..n]:REFLectance?