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GUI reference

R&S

ZNB/ZNBT

438User Manual 1173.9163.02 ─ 62

The following buttons in the "Trigger" tab open related dialogs:

●

"Trigger Manager...": Trigger Manager dialog

FreeRun / External / Manual / Multiple Triggers

These four buttons select the trigger source:

●

In "FreeRun" mode, a new measurement is started immediately without waiting for

a trigger event and without fixed time reference. The remaining trigger settings are

not valid.

"FreeRun" means that a measurement in "Continuous" sweep mode is repeated as

fast as possible.

●

In "External" trigger mode, the measurement is triggered by an external 5 V TTL

signal, applied to one of the following rear panel connectors:

– BNC connector Trigger In

– Pin 2 of the User Port connector

– Pin 18 of the Handler I/O (universal interface)

The trigger inputs are equivalent; no additional setting for signal routing is required.

For detailed specifications of the trigger signals, refer to Chapter 12.3.1.1, "User

Port", on page 1538.

The "External" trigger mode can be configured using the Sequence, Delay and Sig-

nal Type settings.

●

In "Manual" trigger mode, the trigger signal is generated by the "Manual Trigger"

button.

●

If "Multiple Triggers" is active, the trigger sources for different triggered measure-

ment sequences, the trigger slope, and the trigger delay can be selected individu-

ally using the Trigger Manager dialog.

In particular, it is possible to use different external trigger sources.

Remote command:

TRIGger<Ch>[:SEQuence]:SOURce EXTernal

Manual Trigger

Generates the trigger event for "Manual" trigger mode and is disabled unless this mode

is active.

Sweep Softtool

R&S ZNB Series User Manual

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