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Key Reference 5
N9340A User’s Guide 91
Minimum Hold
Maintains the minimum level for each trace point
of the selected trace, and updates each trace point
if a new minimum level is detected in successive
sweeps.
Key access: [TRACE]
View
Holds and displays the amplitude data of the
selected trace. The trace register is not updated as
the analyzer sweeps. If a trace is deactivated by
pressing Blank, the stored trace data can be
retrieved by pressing View.
Key access: [TRACE]
Blank
Stores the amplitude data for the selected trace
and removes it from the display. The selected trace
register will not be updated as the analyzer
sweeps. This function is activated for traces 2, 3
and 4 at power-on and Factory Preset.
Key access: [TRACE]
Detector
Selects a specific detector, or uses the system to
pick the appropriate detector for a particular
measurement.
When discussing detectors, it is important to
understand the concept of a trace “bucket”. For
every trace point displayed, there is a finite time
during which the data for that point is collected.
The analyzer has the ability to look at all of the
NOTE
Changing the vertical scale (Amplitude, Scale Type, Log or
Line), or pressing PRESET, or turning averaging on (TRACE,
Average (On)) or switching widow in Zone Span restarts the
held trace.