GW Instek GDM-906 Series - Use External Trigger

GDM-906X Series User Manual
78
Change mode
 Under Single Trigger mode, press and hold the
TRIG button for at least 2 second to return to
Auto Trigger mode.
 Under Auto Trigger mode, simply press the
TRIG button to return to Single Trigger mode.
Use External Trigger
Background
The GDM-9060/9061 uses the internal trigger by default, for
example to count the frequency and the period. Using an
external trigger allows customized triggering conditions.
Signal
connection
Connect the external trigger signal to the Digital I/O port
located on the rear panel.
DB-9, female
Digital I/O
pin
assignment