Viavi 3550 Operation Manual page 89

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2-5-5.
MEASURI NG DTF (Distance to Fault) (cont)
3 .
C o n n e c t t h e S y s t e m U n d e r T e s t t o t h e S W R C o n n e c t o r a t t h e p o i n t o f c a l i b r a t i o n .
4 .
T h e G r a p h i c a l D i s p l a y i s u p d a t e d a p p r o x i m a t e l y e v e r y 2 0 s e c o n d s . A l l o w a t l e a s t t w o
u p d a t e s o f t h e G r a p h i c a l D i s p l a y t o e n s u r e d a t a i s v a l i d .
5 .
S e l e c t t h e f o l l o w i n g s e t t i n g s o n t h e C o n t r o l 1 C o n f i g u r a t i o n S c r e e n :
T y p e
Y U n i t
6 .
S e l e c t t h e f o l l o w i n g s e t t i n g s o n t h e C o n t r o l 2 C o n f i g u r a t i o n S c r e e n :
U n i t
E s t i m a t e d L e n g t h
2 - 4 6
D T F
d B
F e e t o r M e t e r s
T o t a l C a b l e L e n g t h o f S y s t e m U n d e r T e s t p l u s 1 5 %

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