3 Spectrum Analyzer Mode
3.4 Occupied BW Measurement
does not restart the sweep or sequence if the sweep is not in the idle state (for
example, if you are taking a very slow sweep, or the instrument is waiting for a
trigger). Even though pressing Cont/Single in the middle of a sweep does not restart
the sweep, sending :INIT:IMM does reset it.
If the instrument is in Single sweep, and not Averaging/Holding, and you want to
take one more sweep, press Restart.
If the instrument is in Single sweep, and Averaging/Holding, and you want to take
one more sweep without resetting the Average trace or count, go to Meas Setup and
increment the average count by 1 by pressing the Step-Up key while Average/Hold
Num is the active function. You can also do this by sending :CALC:AVER:TCON UP.
Restart
Restarts the current sweep, or measurement, or set of averaged/held sweeps or
measurements. If you are Paused, pressing Restart performs a Resume.
The front-panel key Restart performs exactly the same function.
The Restart function is accessed in several ways:
–
Pressing the Restart key
–
Sending :INIT:IMM
–
Sending :INIT:REST
See "More Information" on page 837
Remote
Command
:INITiate[:IMMediate]
:INITiate:RESTart
Example
:INIT:IMM
:INIT:REST
Notes :INIT:REST and :INIT:IMM perform exactly the same function
Couplings Resets average/hold count k. For the first sweep overwrites all active (update = on) traces with new
current data. For application modes, it resets other parameters as required by the measurement
Status Bits/OPC
dependencies
This is an Overlapped command
The STATus:OPERation register bits 0 through 8 are cleared , except bit 6 (Waiting for Periodic
Sync). Initiating a measurement and Waiting for Periodic Sync could be asynchronous
The STATus:QUEStionable register bit 9 (INTegrity sum) is cleared
The SWEEPING bit is set
The MEASURING bit is set
Backwards
Compatibility
For Spectrum Analysis Mode in ESA and PSA, the Restart hardkey and the :INIT:REST command
restarted trace averages (displayed average count reset to 1) for a trace in Clear Write, but did not
836 Spectrum Analyzer Mode User's &Programmer's Reference
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