User`s guide

116 N9320A Spectrum Analyzer
4 Key Reference
View/Trace
Accesses the trace keys to store and manipulate trace
information. Each trace consists of a series of points in
which amplitude data is stored. The analyzer updates the
information for any active trace with each sweep.
Select Trace
1 2 3 4
Selects the trace for current use.
Key access:
Clear Write Erases any data previously stored in the selected trace, then
continuously displays any signals during each sweep of the
analyzer. This function is activated for trace 1 at power- on
and Factory Preset.
Key access:
Max Hold Retains the maximum level for each trace point of the
selected trace, and updates each trace point if a new
maximum level is detected in successive sweeps.
Key access:
Min Hold Retains the minimum level for each trace point of the
selected trace, and updates each minimum trace point if a
new minimum level is detected in following sweeps.
Key access:
View Holds and displays the amplitude data of the selected trace.
The trace register is not updated as the analyzer sweeps.
press View to retrieve a stored trace previously deactivated
by pressing Blank.
Key access:
Blank Stores the amplitude data for the selected trace, then
removes the trace from the display. The selected trace
register no longer updates as the analyzer sweeps. To
activate this function for traces 2, 3 and 4 at power- on press
Preset (when Preset Type is set to Factory).
Key access:
View/
Tra c e
View/
Tra c e
View/
Tra c e
View/
Tra c e
View/
Tra c e
View/
Tra c e