Viavi 3900 Series Operation Manual page 245

7. 5. 1. A. 9 I nfo rma tio n F l ag s
7. 5. 1. B P ow er M e ter F ie ld Defi n iti o ns
Th e P ow e r M e ter s ec tion o f t he A na ly ze rs Tile d is pla ys p ow e r m e as ur em e nts a nd r ea din g
pa ra m ete rs .
7. 5. 1. B. 1 P ow er
In dic ate s the R F Po w er rea d ing . T he b roa d ba nd p ow er m ea su re m en t fu n ctio n is o nly
av ail ab le w h en th e T/R C o nn ec to r is se lec te d fo r t he R F I np ut.
7. 5. 1. B. 2 Un its
Se ts th e u ni t of m ea su re m en t fo r th e RF P o we r r ea din g.
7. 5. 1. B. 3 P ow er T yp e
Th is bu tto n t og gle s be tw ee n Inb an d an d Br oa db an d po w er m ea su re me n ts. Th e Inb an d
Po w er m ea su re m en t fu nc tio n i s a va ilab le w he n t he A NT (A n te nn a) Co n ne cto r o r T /R
C on ne cto r is s ele cte d for R F I np ut. Th e Br oa db an d /In ba nd b utto n is o n ly a cti ve w he n t he
T/ R Co nn e cto r is se le cte d.
7. 5. 1. B. 4 Cal i br ate
Whe n pr es se d, the T es t S et co m pe ns at es m ea su re m en t v aria tio ns re su ltin g f rom
te mp e rat ure c ha ng es . T his fu nc tio n is th e sa m e a s r un nin g th e U T ILS m o de U se r
C alib ra tion p ro ce du re. Th is bu tto n i s o nly a va ilab le wh e n I nb an d Po w er m ea su re me n ts
ar e s ele ct ed .
7. 5. 1. B. 5 Ze ro
Whe n pr es se d, the T es t S et ze roe s ou t a ny in tern a l ca bl e lo ss . T his b utt on is on ly
av ail ab le w h en B ro ad ba nd P o we r m e as ur em e nts a re se lec ted .
A n al og D up le x S y st em
Sq u elc h Wh e n th e Inc o mi ng sig n al is su p pre ss ed b y t he S qu elc h filte r, a
S q ue lch fla g ind ica to r a pp ea rs on th e A n aly ze rs Til e. W he n t he tile
is m in im ize d, (S Q) is d is pla ye d; w he n t he tile is m ax im ize d
S Q U EL C H is d is pla ye d.
Fig . 7 -2 8 An al yze rs T ile - P ow er M et er F ie lds
7 - 35