Rohde & Schwarz R&S NRP - Page 327

Annex: Remote Control - Commands R&S NRP
1144.1400.12 Annex - I.8 E-2
Example:
CONF
TRIG:SOUR BUS
INIT
FETCh? ( Å -214, "Trigger deadlock", *TRG or GET is not possible if FETCh? is waiting).