3 Short-Range Comms & IoT Mode
3.5 Channel Power Measurement
Preset Swept SA and Monitor Spectrum: WRITe
All other measurements: AVERage
Following Preset, all traces are cleared (all trace points set to mintracevalue)
State Saved The type of each trace is saved in instrument state
Annunciation The type for each trace is indicated in the Trace annunciator panel on the Measurement Bar
Trace Mode Backwards Compatibility Commands
In earlier instruments, the “Trace Modes” were: Clear/Write, Max Hold, Min Hold,
View and Blank. Averaging was global to all traces and was controlled under the
BW/Avg menu.
In X-Series, trace averaging can be done on a per-trace basis. The Trace Modes
(now called Trace Types) are Clear/Write, Trace Average, Max Hold and Min Hold.
View and Blank are set separately under "View/Blank" on page 1736.
While this provides more flexibility, it also gives rise to potential backwards
compatibility problems. To mitigate these, the old Trace Mode command has been
retained and a new Trace Type command has been added. The :TRACe:MODE
command is retained for backwards compatibility, and the :TRACe:TYPE,
:TRACe:UPDate and :TRACe:DISPlay commands introduced for ongoing use. The
old Trace Modes are selected using :TRAC:MODE, whose parameters are mapped
into calls to :TRACe:TYPE, :TRACe:UPDate and :TRACe:DISPlay, and the old
global Averaging command [:SENSe]:AVERage[:STATe] is provided for
backwards compatibility. See the individual command descriptions for details.
When Average/Hold in the Meas Setup, Legacy Compatibility menu is ON, the
following is true for traces in Max Hold and Min Hold:
–
They ignore the Average/Hold number; Single for Max Hold causes one sweep
only, so switching to Single stops after the current sweep, and switching to Cont
starts again without clearing the accumulated result
–
Max Hold is not cleared on a Restart, Single or :INIT:IMM, but changing a
measurement parameter, like frequency or bandwidth etc., still restarts the Max
Hold
Preset
WRITe
State Saved The trace mode is an alias only
Backwards
Compatibility
SCPI
:TRACe[1]|2|…|6:MODE WRITe | MAXHold | MINHold | VIEW | BLANk
:TRACe[1]|2|…|6:MODE?
Backwards
Compatibility
Notes
The legacy :TRACe:MODE command is retained for backwards compatibility. In conjunction with the
legacy :AVErage command, it works as follows:
–
:AVErage ON|OFF sets/clears a variable that we will call average for the sake of this
discussion. This variable is maintained by the instrument solely for backwards compatibility. See
Short Range Comms & IoT Mode User's &Programmer's Reference 665
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