Fetch[1..n]:trace[1..n][:data – EXFO FTB-7000 OTDR Series for FTB-500 Benutzerhandbuch
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SCPI-Befehlsreferenz
418
Serie FTB-7000
Product-Specific Commands—Description
:FETCh[1..n]:TRACe[1..n][:DATA]?
Description
This query returns all the points of a trace. It can
be used with already-completed acquisitions or
acquisitions in progress.
*RST clears this setting.
Syntax
:FETCh[1..n]:TRACe[1..n][:DATA]?
Parameter(s)
None
Response Syntax
<Data>
Response(s)
Data:
The response data syntax for <Data> is defined
as a <DEFINITE LENGTH ARBITRARY BLOCK
RESPONSE DATA> element.
Returns a list of power values representing the
trace.
Each power value represents a point of the trace
and is always returned in dB as a <NR3
NUMERIC RESPONSE DATA> type.
Example(s)
CONF:ACQ:MODE ACQ
INIT
INIT:STAT? Returns 1 when acquisition is in
progress
FETC:TRAC? Returns a trace, while acquisition is
in progress or complete
See Also
FETCh[1..n]:TRACe[1..n]:POIN?
TRACe[1..n]:CATalog?