GW Instek GDM-8351 - External Trigger

SYSTEM/DISPLAY CONFIGURATION
87
External Trigger
The external trigger uses the digital I/O pin for manual triggering
of the DMM. Pin 5 of the digital I/O port is normally high. To
trigger the DMM a low pulse of ≥10μs is needed.
The *TRG command can also be used to externally trigger the
DMM when the DMM is in the external trigger mode. See page 137
for details.
Digital I/O
Pin 5
Pin 6
Digital I/O Terminal
Trigger input
≥10μs