Rohde & Schwarz FSW43 - Page 428

Common Measurement Settings
R&S
®
FSW
428User Manual 1173.9411.02 ─ 19
(See "Squelch" on page 517).
Remote command:
TRIGger[:SEQuence]:SOURce on page 854
[SENSe:]SWEep:EGATe:SOURce on page 857
Free Run ← Trigger Source ← Trigger Settings
No trigger source is considered. Data acquisition is started manually or automatically
and continues until stopped explicitely.
In the Spectrum application, this is the default setting.
Remote command:
TRIG:SOUR IMM, see TRIGger[:SEQuence]:SOURce on page 854
External Trigger 1/2/3 ← Trigger Source ← Trigger Settings
Data acquisition starts when the TTL signal fed into the specified input connector (on
the front or rear panel) meets or exceeds the specified trigger level.
(See "Trigger Level" on page 430).
Note: The "External Trigger 1" softkey automatically selects the trigger signal from the
TRIGGER INPUT connector on the front panel.
For details see the "Instrument Tour" chapter in the R&S FSW Getting Started manual.
"External Trigger 1"
Trigger signal from the TRIGGER 1 INPUT connector on the front
panel.
"External Trigger 2"
Trigger signal from the TRIGGER 2 INPUT/OUTPUT connector on
the front panel.
Note: Connector must be configured for "Input" in the "Outputs" con-
figuration (see "Trigger 2/3" on page 383).
"External Trigger 3"
Trigger signal from the TRIGGER 3 INPUT/ OUTPUT connector on
the rear panel.
Note: Connector must be configured for "Input" in the "Outputs" con-
figuration (see "Trigger 2/3" on page 383).
Remote command:
TRIG:SOUR EXT, TRIG:SOUR EXT2
TRIG:SOUR EXT3
See TRIGger[:SEQuence]:SOURce on page 854
SWE:EGAT:SOUR EXT for gated triggering, see [SENSe:]SWEep:EGATe:SOURce
on page 857
Video ← Trigger Source ← Trigger Settings
Defines triggering by the video signal, i.e. the filtered and detected version of the input
signal (the envelope of the IF signal), as displayed on the screen.
Define a trigger level from 0 % to 100 % of the diagram height. The absolute trigger
level is indicated by a horizontal trigger line in the diagram, which you can also move
graphically to change the trigger level.
Trigger and Gate Configuration