S Oft Ke - Viavi 3900 Series Operation Manual

3.8.6. Sof t K eys
Th e re a re si x s oft ke ys lo ca ted o n th e fro nt pa ne l o f th e 39 00 . A so ft ke y is ac tiv e o n ly
w he n a la be l is sh ow n a dja ce nt to it. T he te xt on th e la b el id e ntif ies th e s oft ke y, wh ile
th e o utlin e a n d b ac kg ro un d c olo r o f the ke y p ro vid e in fo rm at ion ab ou t th e p ur po se , st ate
an d typ e of a c tion th e so ft k ey init iate s.
3. 8. 6. A Acti o n S o ft K eys
Ac tio n ke ys init iate im m e dia te ac tio ns w he n p re ss ed .
3. 8. 6. B Nex t L ev el S o ft Key s
N ex t L e ve l s of t k ey s h av e an arr ow sh ap ed go ld b ac kg rou n d. P res sin g o ne of th es e ty pe s
of so ft k ey s le a ds to a s of t ke y su b-m e n u. I n s om e c as es the re is m ore th an o ne s ub -
m en u lev el.
3. 8. 6. C Retu rn S oft Ke y
3. 8. 6. D To g gl e S o ft K eys
To g gle S oft Ke ys o ffe r a ch oic e of t wo , th re e or fou r o pt ion s.
Te st Se t O p er at ion
F or e xa m ple , th e P ea k Re se t A L L So ft Ke y res e ts p e ak va lu es fo r a ll
m e as ur em e nts o n t he as so cia te d scr ee n.
P re ss ing th is so ft k ey dis pl ay s a su b -m en u of r ela te d s of t ke ys . In
th is ex am p le, th e s oft ke y s u b-m e nu re la tes to th e R F O utp u t
F re qu en cy in cre m e nta l c ha ng e va lue .
T he R E TU R N pr om p t a pp ea rs at the b ott om o f th e so ft k ey ar ea
w h en a su b -m en u c ho ice of s oft k ey s is d isp la ye d. T his pr om p t is to
r em in d u se rs to us e the R E TU R N So ft K e y t o m o ve b ac k to th e
p re vio us m en u lev el .
F or e xa m ple , th e R F Ge n S oft Ke y of fers th e op tio n of O N or O FF . In
th is ex am p le th e RF G en is OF F ; pr es sin g th e RF G en S oft Ke y t urn s
th e R F G e n ON .
3 - 28