Rohde & Schwarz R&S UPP, User Manual

Page: 360 / 938

Instrument Functions
R&S
®
UPP
344 User Manual 1411.1055.32 ─ 10
Remote command:
TRIGger:CHANnel
on page 734
Start Cond
Specifies the event which triggers a measurement.
Depending on the "Start Cond" selected, the measurement starts either immediately
(Auto) or only once the required trigger condition is met.
Note: With the two-channel analyzers, the trigger conditions appear together with the
possible trigger channels in the parameter list; in this case, only the active channels
are offered as trigger channels.
In the
multichannel analyzers , first a trigger channel must be specified so that all start
conditions are available. If the trigger channel is switched off, only "Auto" or "Time Tick"
can be selected.
Note: With the multichannel analyzers, the trigger conditions appear in the parameter
list without an explicit channel specification.
Note: If the reference points of a sweep are modified under the influence of the start
condition during the sweep (e.g. due to over long measurement times during a time tick
sweep), some sweep points may be outside of the visible x-axis of the sweep graphs.
A further Autoscale call at the end of the sweep will enter the new X limits in the sweep
graph.
"Auto" Continuous measuring mode without trigger condition.
Values are recorded in the measured value buffer only if the fre-
quency sweep for the selective RMS measurement or any type of
generator sweep is active at the same time.
It is possible to switch between single and continuous measurements
by pressing [Single ] or [Start ] if a sweep is not active.
Setting Start Condition