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KSG
Video Averaging On
The KSG command enables video averaging. During video averaging, two traces are displayed simultaneously.
Trace C contains signal responses as seen at the input detector. Trace A or B contains the same responses digitally
averaged. The digital reduces the noise floor level, but does not affect the sweep time, bandwidth, or any other
analog characteristics of the analyzer.
Before executing KSG, select trace A or B as the active trace (CLRW) and blank the remaining trace.
The active function readout indicates the number of sweeps averaged; the default is 100 unless otherwise speci-
fied. Increasing the number of sweeps averaged increases the amount of averaging.
Use KSG to view low level signals without slowing the sweep time. Video averaging can lower the noise floor more
than a 1 Hz video bandwidth can, if a large number of sweeps is specified for averaging. Video average may also
be used to monitor instrument state changes (such as changing bandwidths or center frequencies) while maintain-
ing a low noise level. (See Chapter 11 in Section I. Also see KSH and VAVG .)
OUTPUT 718;"KSG;"
The functions of the KSG command and the @ m keys are identical.
1 4 6 P r o g r a m m i n g
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