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S T E P
P R O C E D U R E
5 .
U s e S E L E C T K e ys t o se l e c t i t e m s a n d
S L E W K e ys t o ch a n g e v a l u e s. ( C u r so r
l i n e u n d e r n e a t h i n d i ca t e s i t e m s e l e ct e d . )
N O T E :
A l l M o d e S r e p l y i n f o r m a t i o n i s
p r o g r a m m e d b y t h e o p e r a t o r a n d
i s u s e d i n t h e M o d e S r e p l i e s
t r a n s m i t t e d b y t h e T C A S - 2 0 1 - 2
i n S c e n a r i o T e st a n d / o r R e p l y
T e st f u n c t i o n s.
R A N G E :
T h e R A N G E : f i e l d i s t h e s a m e a s i n
S ce n a r i o T e s t . R e f e r t o p a r a 1 - 2 - 4 . 4 .
A L T I T U D E :
E n t e r s i m u l a t e d a l t i t u d e , i n f e e t a b o ve
se a l e v e l , o f t h e i n t r u d i n g a i r cr a f t ( T C A S -
2 0 1 - 2 ) . S i n g l e S L E W K e y d e p r e ss i o n s
ch a n g e a l t i t u d e b y 2 5 f t u p t o 5 0 , 2 0 0 f t
a n d b y 1 0 0 f t f o r a l t i t u d e s ≥ 5 0 , 2 0 0 f t .
C o n t i n u o u s d e p r e ss i o n c h a n g e s a l t i t u d e
i n 1 0 0 0 f t i n cr e m e n t s . M i n i m u m a l t i t u d e
i s - 1 0 0 0 f t a n d m a x i m u m a l t i t u d e i s
1 2 6 , 7 0 0 f t .
N O T E :
R e f e r t o A p p e n d i x B f o r d e t a i l e d
d e sc r i p t i o n s o f t h e f o l l o w i n g
d i s p l a y e d D o w n l i n k F o r m a t ( D F )
f i e l d s a n d s u b f i e l d s . A l l f i e l d s
a r e d i sp l a ye d i n h e xa d e ci m a l .
U n l e s s o t h e r w i se sp e c i f i e d , b o t h
si n g l e a n d co n t i n u o u s S L E W
K e y d e p r e ss i o n s c h a n g e v a l u e s
b y 1 .
V S :
E n t e r V e r t i c a l S t a t u s. E n t e r 0 i n t o V S :
f i e l d t o i n d i ca t e i n t r u d i n g a i r cr a f t ( T C A S -
2 0 1 - 2 ) i s a i r b o r n e o r 1 t o i n d i c a t e
i n t r u d i n g a i r c r a f t i s o n t h e g r o u n d . ( T h e
T C A S - 2 0 1 - 2 t r a n sm i t s t h e V S : f i e l d i n
D F 0 a n d D F 1 6 . )
O PERATI ON MANUAL
TCAS- 201-2
S T E P
S L :
E n t e r si m u l a t e d T C A S - 2 0 1 - 2 S e n si t i vi t y
L e ve l ( r e f e r t o 1 - 2 - 4 , T a b l e 4 ) . ( T h e
T C A S - 2 0 1 - 2 t r a n sm i t s t h e S L : f i e l d i n
D F 0 a n d D F 1 6 . )
N O T E :
T h e S L : f i e l d co n t a i n s s i m u l a t e d
s e n si t i v i t y l e v e l i n f o r m a t i o n a n d
d o e s n o t a ct u a l l y se t t h e T C A S -
2 0 1 - 2 t o a p a r t i cu l a r S e n si t i vi t y
L e ve l .
I N P U T
D A T A
0
No Sensitivity Level reported
1
Operates at Sensitivity Level 1
2
Operates at Sensitivity Level 2
3
Operates at Sensitivity Level 3
4
Operates at Sensitivity Level 4
5
Operates at Sensitivity Level 5
6
Operates at Sensitivity Level 6
7
Operates at Sensitivity Level 7
S L : F i e l d V a l i d D a t a
R I a :
E n t e r a i r - t o - a i r R e p l y I n f o r m a t i o n f o r a n
a cq u i si t i o n r e p o r t . S e t R I a : f i e l d ,
co n t a i n i n g a i r s p e e d d a t a , f r o m 8 t o E
a cco r d i n g t o 1 - 2 - 4 , T a b l e 5 . ( T h e T C A S -
2 0 1 - 2 t r a n sm i t s t h e R I a : f i e l d i n D F 0 a n d
D F 1 6 w h e n i n t e r r o g a t o r r e q u e s t s a n
a cq u i si t i o n r e p o r t . )
R I a : F I E L D
I N P U T D A T A
8
9
A
B
C
D
E
R I : F i e l d ( A cq u i si t i o n ) V a l i d D a t a
P R O C E D U R E
D E F I N I T I O N
T a b l e 4
D E F I N I T I O N
( A I R S P E E D )
No data available
≤75 kts
>75 kts and ≤150 kts
>150 kts and ≤300 kts
>300 kts and ≤600 kts
>600 kts and ≤1200 kts
>1200 kts
T a b l e 5
P a g e 1 6
S e p 1 / 0 4
1 - 2 - 4
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