Sp E Ctru M A Na Ly Ze; B As Ic S E Ttin; A Cce S Sin G T He S Pe Ctr Um A N Aly Ze - Viavi 3900 Series Operation Manual

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6 .4
SPE CTRU M ANAL YZ ER
Th e Sp e ctru m A na ly ze r is an a syn c hro no u s, s w ep t a na lyz er th at d is pla ys th e R F
sp ec tru m of th e r ec eiv ed R F S ign a l. Th e S p ec tru m A n aly ze r fre qu e nc y sp a n m u st in clu de
th e R F F req u en cy b ei ng e xa m in ed a n d th e R efe re nc e L ev el m u st b e se t so the RF sig na l
lev el fall s w ith in the d isp lay a rea . T he S pe c trum An aly ze r is a cc es se d f rom T E S T M o de
by p res sin g the T es t K ey . R e fer to 39 00 P lat for m Sp ec ific ati on s fo r t he S pe ctr um
An a lyz er' s o pe ra ting p ar am e ter s.
6.4.1
Basi c Set t in gs
Whe n us ing th e Sp ec tru m A na lyz er , th e f req u en cy sp an m u st inc lud e the R F Fre q ue nc y
be in g e xa m ine d an d the R ef ere n ce Le ve l m u st be se t s o t he R F s ig na l le ve l fa lls w ith in
th e d isp la y a re a.
6.4.2
Acce ssing t h e Sp ect ru m A nal yzer
Th e Sp e ctru m A na ly ze r is ac ce ss ed fro m th e TE S T F lo atin g m en u of e a ch 39 0 0 T es t
Sy st em .
R a di o T e st Ins tru me nt s
Fi g. 6 -2 2 Ac ce ss in g S p ec tru m An a lyz er - T ES T Flo a ting M e nu
6 - 20

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