Common Measurement Settings
R&S
®
ESW
187User Manual 1177.6298.02 ─ 08
Trigger Source.............................................................................................................187
└ Free Run.......................................................................................................187
└ Ext. Trigger 1/2............................................................................................. 187
Trigger Level............................................................................................................... 187
Trigger Offset.............................................................................................................. 188
Trigger Slope...............................................................................................................188
Gated Trigger.............................................................................................................. 188
Gate Mode.................................................................................................................. 188
Gate Delay.................................................................................................................. 188
Gate Length................................................................................................................ 189
Trigger Source
Selects the trigger source.
If you select a trigger source other than "Free Run", "TRG" is displayed in the channel
bar and the trigger source is indicated.
Remote command: 
TRIGger<tp>[:SEQuence]:SOURce on page 516
[SENSe:]SWEep:EGATe:SOURce on page 514
Free Run ← Trigger Source
No trigger source is considered. Data acquisition is started manually or automatically
and continues until stopped explicitly.
In its default state, the R&S ESW performs free run measurements.
Remote command: 
TRIGger<tp>[:SEQuence]:SOURce on page 516
Ext. Trigger 1/2 ← Trigger Source
Data acquisition starts when the TTL signal fed into the specified input connector
meets or exceeds the specified trigger level.
Note: The "External Trigger 1" softkey automatically selects the trigger signal from the
TRIGGER 1 INPUT connector on the front panel.
For details, see the "Instrument Tour" chapter in the R&S ESW Getting Started manual.
"External Trigger 1"
Trigger signal from the TRIGGER 1 INPUT connector.
"External Trigger 2"
Trigger signal from the TRIGGER 2 INPUT / OUTPUT connector.
"External Trigger 3"
Trigger signal from the TRIGGER 3 INPUT / OUTPUT connector on
the rear panel.
Remote command: 
TRIGger<tp>[:SEQuence]:SOURce on page 516
Trigger Level
Defines the trigger level for the selected trigger source.
Remote command: 
TRIGger<tp>[:SEQuence]:LEVel[:EXTernal] on page 515
Trigger Configuration