Linear Altitude Ramp Test - Viavi ALT-8000 Getting Started Manual

Radio altimeter flight line test set
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ST E P
PR OC ED U R E
1 2. Se l e c t Sa v e & Re tu rn to s to r e v a l ue a n d re t u rn to th e
In f o S cre e n w i nd o w. Se l e c t th e Do n e k e y to re t u rn t o
Te st S e tu p (Ge n e ra l Ta b ). Th e te st s e t i s n ow r e a dy t o
p er fo r m t h e L i n e a r Al ti t u de Ra mp Te s t .
A LT -8 0 0 0 G e tti n g St a rt ed Ma nu a l
9

LINEAR ALTITUDE RAMP TEST

T h e L i n e ar A l ti t u de Ra mp Te s t p e r fo rms a li n e a r up a n d
d o wn a lt i tu d e ra mp , ve ri f yin g ad e q u a te UU T l oo p g ai n . T h is
i s th e lo we st le ve l o f f l ig h t -l i ne te st i n g re c o mme n d e d t o
c o n f ir m r e p or te d p ro b l ems , or to ver i fy sy ste m o p er a ti o n
a f te r L RU r e p la ce me n t.
P e rf o rm th e fo l l ow in g s te p s to co mp le t e t h e L i n ea r A l ti tu d e
R a mp T e st:
S T E P
1 .
C o nf i rm th e fo l l ow i ng s e tt i ng s a nd c h a ng e a s n e ce ssar y.
N O T E:
A l ti t ud e Ra t e i s se l e cte d 1 t o 1 2 0 ,0 0 0 f t /mi n . I f tr i p
o p e ra t io n i s t o b e ve r if i e d , a r ec o mme n d e d r a te o f
< 1 0 0 0 f t/ mi n sh o u ld b e e n t er e d .
2 6
PR O C ED U RE
Co n tr o l
St a rt A l ti tu d e = 0 f t ( 5 0 t o 7 5 f t f o r pu l se t yp e )
St o p A lt i tu d e = 2 ,5 0 0 f t ( o r max i mu m fo r syst e m
u nd e r t e s t)
Al t it u d e Ra t e = 1 ,0 0 0 f t/ mi n ( 2 .5 min s d u ra t io n )

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