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4 .2
CO NNECT I O N
4.2.1
Di rect C o nn ect ion
Pe rfo rm t he fo llow in g s te ps to dir ec t co n ne ct t o t he alt im ete r:
Note:
If te sti ng Lo w P ow e r P uls e- typ e Ra di o, s ee
S T E P
1.
P lac e t he A LT -9 00 0 w ith in ca ble le ng th of the a irc raf t R ad io Alt im ete r.
2.
C on ne ct the L ow L os s R F C oa x Ca b les to the A LT -9 00 0 U UT :T X/ UU T :R X TN C
co nn e cto rs.
3.
P erfo rm S e tup p roc e du re
4.
R em o ve th e R a dio A ltim e ter TX a nd R X ca ble s fro m the a ltim e ter .
5.
R efe r to
S T E P
6.
If th e re is d ou bt ab o ut w h ich R ad io A ltim ete r P o rt is th e T X P ort , se le ct L a un ch
B ar tab to d isp la y la u nc h b a r. S e lec t S im ul atio n fu nc tion k ey to d isp lay S im u latio n
Win do w. P re ss Ru n to sta rt te st a nd co nfir m t ha t a TX P ow e r rea d ing i s dis pla y ed .
Note:
Th e AL T- 90 00 w ill n ot fun c tion c orr ec tly i f ca bl e c on ne ct ion s a re re ve rs ed .
22149669 / Rev. 001
April, 2022
(4.
Caution:
DO N O T C O NN E C T A L T- 90 00 U U T:R X P O R T T O R A DIO A L TI M ET E R TX
PO R T . D AM A G E WIL L R E S U LT T O TH E A LT -9 00 0 U U T :R X PO R T . M A XIM U M
RE V E RS E P O WER : 10 0m W.
F ig. 4-
10. C on ne c t th e U U T :TX R F co ax c ab le t o t he alt im ete r.
F ig. 4- 10 D ire ct C o nn e ctio n
ALT-9000 Radio Altimeter Test Set Operations Manual
T es tin g
S ec tio n: 4.2
P R O CE D UR E
3).
P R O CE D UR E
.
.4.
FINAL
4-3
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