3 Spectrum Analyzer Mode
3.5 ACP Measurement
Pressing Min Hold for the selected trace, or sending :TRAC:TYPE MINH for the
specified trace, sets the Trace Type to Min Hold, clears the trace, initiates a new
sweep, and restarts the hold sequence, even if you are already in Min Hold.
When in Min Hold, if a measurement-related instrument setting is changed(that is,
one which requires new data to be taken, like Center Frequency or Attenuation), the
Min Hold sequence restarts and a new sweep is initiated but the trace is not cleared.
Restarting the Min Hold sequence means:
–
The average/hold count k is set to 1, so that the next time the min hold trace is
displayed it simply represents one trace of new data
–
A new sweep is initiated
Remember that restarting Min Hold also restarts Max Hold and averaging, because
there is only one count for Trace Average and Hold.
Clear and Write | Restart Averaging | Restart Max/Min Hold
Starts the trace writing, as though the "Trace Type" on page 1927 had just been
selected. The effect is exactly the same as reselecting the current Trace Type again
– the control is provided because it may not be obvious that reselecting the same
selection from a radio button menu will take any action.
This control displays different labels, depending on the selected Trace Type:
–
Clear/Write: Clear and Write
–
Trace Average: Restart Averaging
–
Max Hold: Restart Max Hold
–
Min Hold: Restart Min Hold
View/Blank
Lets you set the state of the two trace variables: Update and Display. The choices
available in this dropdown menu are:
Active Update and Display both ON
View Update OFF; Display ON
Blank Update OFF; Display OFF
Background Update ON, Display OFF
Allows a trace to be blanked and continue to update “in the background”, which
was not possible in the past
Spectrum Analyzer Mode User's &Programmer's Reference 1115
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