EXFO IQS-1500 Power Meters for IQS-500/600 - Manual (Page 157)

SCPI Command Reference
Power Meters 149
Product-Specific Commands—Description
:SLINstrument:CATalog?
Description This query returns a comma-separated list of
<STRING RESPONSE DATA>, which contains the
names of all channels of the module. If no
channels are defined, a single null <STRING
RESPONSE DATA> is returned.
This is not affected by a *RST command.
Syntax :SLINstrument:CATalog?
Parameter(s) None
Response Syntax <Catalog>
Response(s) Catalog:
The response data syntax for <Catalog> is
defined as a <STRING RESPONSE DATA>
element.
The list of <STRING RESPONSE DATA> contains
the names of all channels in the module.
Example(s) SLIN:CAT?
See Also SLINstrument:CATalog:FULL?