Rigol DG4000 Series

Parameter
Name Type Range Default
-- Keyword INTernal|EXTernal|MANual INTernal
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Return Format
The query returns INT, EXT or MAN.

Example
The command below selects manual trigger source.
:BURSt:TRIGger:SOURce MANual
The query below returns MAN.
:BURSt:TRIGger:SOURce?