GW Instek GSP-930 User Manual - Manual (Page 83)

BASIC OPERATION
81
Activate External Trigger
Description The external trigger is used when an external
trigger signal is input into the rear panel TRIG
IN port. The external trigger signal can be
configured as positive or negative edge.
Trigger: 3.3V, CMOS
Operation 1. Press
Trigger
>Trigger Condition[F2]>Ext.Edge[F2]
and select the trigger edge:
Pos:
Neg: Positive edge
Negative edge
2. Connect the external trigger signal to the rear
panel TRIG IN port.
Trigger
3. Press Action Now[F5] to activate the external
trigger.
4. The system will now wait the trigger conditions
to be matched before starting a sweep.
Display Icon The EXT Trigger icon is displayed when the
external trigger is activated.
Note
The trigger will revert back to the Free Run mode if
any parameter settings are changed, such as the
span or amplitude settings.