Viavi 3900 Series, Programming Manual

Page: 106 / 154

Audio/Demod Signal Rx Meter Remote Commands
5 - 13
5.7 AF HUM & NOISE MEASUREMENTS
5.7.1 AF Hum & Noise - Averages
:CONFigure:AF:ANALyzer:HN:AVERage
:CONFigure:AF:ANALyzer:HN:AVERage?
5.7.2 AF Hum & Noise - Average Measurement Reset
:AF:ANALyzer:HN:CLEAR:AVG
5.7.3 AF Hum & Noise - Lower Limit Enable
:LIMits:AF:HN:LOWer:ENABle
:LIMits:AF:HN:LOWer:ENABle?
Description: Set command defines the number of readings taken to calculate Average AF
Hum & Noise measurement.
Query command returns parameter setting.
Range: 1 to 250
Default Value: 1
Set/Query Format: NR1
Example: :CONFigure:AF:ANALyzer:HN:AVERage 75
Sets number of readings being taken to calculate Average AF Hum & Noise
measurement to 75.
Query Response: :CONFigure:AF:ANALyzer:HN:AVERage?
75
AF Analyzer Noise measurement type must be defined as Signal to Noise Ratio
(:AF:ANALyzer:NTYPe SN) and SNR measurement defined as Hum & Noise
(:CONFigure:AF:ANALyzer:SNR:MODE 0) to obtain valid Hum & Noise
measurement.
Description: Command clears and resets Average AF Hum & Noise measurement.
Parameter/Query: none
Description:
Set command Enables/Disables Lower Limit for AF Hum and Noise
measurement.
Query command returns parameter setting.
Parameter:
OFF | ON | 0 | 1
Default Value:
OFF
Set/Query Format:
Boolean
Example:
:LIMits:AF:HN:LOWer:ENABle ON
Enables Lower Limit for Hum & Noise measurement.
Query Response: :LIMits:AF:HN:LOWer:ENABle?
1
AF Analyzer Noise measurement type must be defined as Signal to Noise Ratio
(:AF:ANALyzer:NTYPe SN) and SNR measurement defined as Hum & Noise
(:CONFigure:AF:ANALyzer:SNR:MODE 0) to obtain valid Hum & Noise
measurement.
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