O Ptio N Al I Ns Tru Me N T F Un Ctio N; Au D Io An Alyz Er ( 390X Opt055) - Viavi 3900 Series Operation Manual
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Also See for 3900 Series:
- Operation manual (403 pages) ,
- Programming manual (315 pages) ,
- Manual (39 pages)
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6 .7
O PT IO NAL I NST RUM ENT F UNCT I ON S
6.7.1
Au d io An alyz er ( 390X OPT055)
Th e Au d io A n aly ze r is an o pt ion al fea tu re (39 0X O P T0 5 5) tha t a llow s us er s to e va lua te
th e a ud io fre qu en cy b an d o f a d em o du lat ed o r ex te rna lly inp u t sig n al. T h e A u dio A na lyz er
is on ly av aila ble w h en th e Au d io A n aly ze r O p tio n ( 39 0X O P T0 5 5) ha s b e en in sta lle d in th e
Te st Se t.
6. 7. 1. A
Bas ic S e tti ng s
Th e fre qu en cy s pa n o f th e dis pl ay m us t in clu de th e AF F req u en cy be in g e xa m in ed . T he
R efe re nc e L e ve l of the d isp la y m u st b e se t s o t ha t th e A F sig n al le v el fa lls w ithin th e
dis pl ay ar ea .
6. 7. 1. B
Acc ess in g th e Au di o Ana l yzer
Th e Au d io A n aly ze r is ac ce ss e d fr om th e dr op -d ow n m en us on S ys te m Te st
M ea su re m en ts Tile s.
R a di o T e st Ins tru me nt s
F ig . 6 -44 A cc e ssi ng A ud io An aly ze r
6 - 41
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