Viavi 3900 Series, Programming Manual

Page: 109 / 154

Audio/Demod Signal Rx Meter Remote Commands
5 - 16
5.7.10 AF Hum & Noise - Upper Limit Value
:LIMits:AF:HN:UPPer:VALue
:LIMits:AF:HN:UPPer:VALue?
Description:
Set command defines the Upper Limit Value for AF Hum and Noise
measurement.
Query command returns parameter setting.
Range:
-100.0 to +100.0 dBr
Units:
dBr
Default Value:
10.0 dBr
Set/Query Format:
NRf | NR2
Example:
:LIMits:AF:HN:UPPer:VALue 25dBr
Sets Lower Limit Value for AF Hum & Noise measurement to 25.0 dBr.
Query Response: :LIMits:AF:HN:UPPer:VALue?
25
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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