EXFO IQS-1600 High-Speed Power Meter for IQS-500/600 - Manual (Page 210)

SCPI Command Reference
202 IQS-1600
Product-Specific Commands—Description
Each power value represents a point in the trace
and is returned in the same unit used to perform
the acquisition.
The number of values in a trace can be retrieved
with the TRACe:POINt query.
Example(s) TRAC:POIN TRC1, 10
INIT:AUTO 1, CONT
TRAC? TRC1
TRAC? TRC2
Notes A trace must be acquired prior to using this
query.
The suffix of TRACe[1..n ] is not useful for this
command.
See Also TRACe:MAX?
TRACe:MIN?
TRACe:POINts
TRACe:POINts?
:TRACe[1..n][:DATA]?