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278 Chapter 5
Language Reference
MEASure Group of Commands
Timebase Frequency Measurement
The general functionality of CONFigure, FETCh, MEASure, and READ
are described at the beginning of this section. See the
SENSe:TBFRequency commands for more measurement related
commands.
You must be in the Service mode to use these commands. Use
INSTrument:SELect to set the mode.
:CONFigure:TBFRequency
:FETCh:TBFRequency[n]?
:READ:TBFRequency[n]?
:MEASure:TBFRequency[n]?
Remarks: For auto adjustment of the internal frequency reference
(10 MHz timebase), use the
CALibration:FREQuency:REFerence:AADJust
command after this measurement has been selected.
Front Panel
Access:
Measure, Timebase Freq
After the measurement is selected, press Restore Meas
Defaults
to restore factory defaults.
Measurement Results Available
Waveform (Time Domain) Measurement
This measures the power in your input signal with respect to time and
is equivalent to zero-span operation in a traditional spectrum analyzer.
You must select the appropriate mode using INSTrument:SELect, to
use these commands.
n Results Returned
0 Not valid
not specified or n=1 Returns 3 scalar results:
1. RF input average amplitude
2. Average frequency error
3. Adjustment in process (returns 1 if an adjustment is being performed,
returns 0 if no adjustment is in process)
2 Frequency error stripchart trace data.