EXFO IQS-2400 WDM Laser Source for IQS-500/600 - Manual (Page 157)

SCPI Command Reference
WDM Laser Source 151
Product-Specific Commands—Description
:SOURce[1..n]:PULM:SOURce?
Description This query returns the current source of the
modulation signal (Internal or External). If the
instrument is not in Dither or On/Off modulation
mode, the returned value is undefined. If the
instrument is in Dither modulation mode, the
returned value will always be INTernal.
At *RST, the synchronization mode is internal.
Syntax :SOURce[1..n]:PULM:SOURce?
Parameter(s) None
Response Syntax <Source>
Response(s) Source:
The response data syntax for <Source> is
defined as a <CHARACTER RESPONSE DATA>
element.
The <LimitMax> response is the current source
of the modulation signal (Internal or External).
EXTERNAL- Source set to External modulation.
INTERNAL- Source set to Internal modulation.
Example(s) SOUR:PULM:STAT ON
SOUR:WAV:MODE HRES
SOUR:PULM:SOUR EXT
SOUR:PULM:SOUR? Returns EXTERNAL
See Also SOURce[1..n]:PULM:SOURce
SOURce[1..n]:PULM:STATe
SOURce[1..n]:PULM:STATe?
SOURce[1..n]:WAVelength:MODE