Digi-Frame DF-1044r Instrukcja Użytkownika Strona 169

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Measurements
R&S
®
RTO
153User Manual 1316.0827.02 ─ 06
Measurements Setup - Spectrum ........................................................................167
Measurements Setup - Histograms.......................................................................168
Measurements - Gate/Display Tab.......................................................................170
Measurements - Long Term/Statistics Tab...........................................................173
Measurements - Event Actions Tab......................................................................176
Measurements - Sensors Tab...............................................................................177
Histogram Setup...................................................................................................179
5.2.3.1 Reference Level Settings
Some measurements refer to specific reference or signal levels, e.g. rise time/fall time,
counting pulses. Generally, these settings are determined automatically. However, for
irregular data it may be useful to configure them manually. You can define reference and
signal levels, as well as hystereses for reference levels and tubes for signal levels.
Selection Settings
The general settings in the "Selection" area are the same for all tabs in the "Reference"
dialog box.
Source
Defines the source from which the reference is taken. The source can be any signal input,
math or reference waveform.
SCPI command:
Source is defined by suffix <m> in "REFLevel" subsystem, see chapter 16.2.9.2, "Ref-
erence Level", on page 527
Reference level mode
Defines whether the reference level is configured manually or automatically.
SCPI command:
REFLevel<m>:LDETection on page 528
Automatic Measurements
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