IFR ATC-601-2, Operation Manual

Page: 53 / 131

O P E R A T I O N M A N U A L
A T C - 6 0 1
1 - 2 - 4
P a g e 1 4
J u n 1 / 9 7
T E S T D E S C R I P T I O N
6 . M o d e S A l l - C a l l
R e f e r t o 1 - 2 - 4 , F ig u r e 1 6 .
T h e A T C - 6 0 1 i n t e r r o g a t e s w i t h t h e
A T C R B S ( M o d e A ) / M o d e S A l l - C a l l
a n d d i s p l a y s t h e D F 1 1 r e p l y a d d r e s s .
T h i s a d d r e s s i s t h e n s e n t i n a U F 4
i n t e r r o g a t i o n . T h e D F 4 r e p l y a d d r e s s
i s i n d i c a t e d o n D I S P L A Y a n d
c o m p a r e d w i t h t h e o n e u s e d . T e s t
f a i l s i f M o d e S r e p l y i s n o t r e c e i v e d o r
a d d r e s s i s i n c o n s i s t e n t .
7 . I n v a l i d A d d r e s s
R e f e r t o 1 - 2 - 4 , F ig u r e 1 7 .
T h e A T C - 6 0 1 t r a n s m i t s M o d e S
i n t e r r o g a t i o n s u s i n g a d d r e s s e s
d i f f e r e n t f r o m t h e a d d r e s s d e t e r m i n e d
b y t h e M o d e S A l l - C a l l ( U F 1 1 ) a n d
v e r if i e s n o r e p l y i s r e c e i v e d . R e s u l t s
a r e i n d i c a t e d o n D I S P L A Y .
8 S P R O n / O f f
R e f e r t o 1 - 2 - 4 , F ig u r e 1 8 .
T h e A T C - 6 0 1 i n t e r r o g a t e s w i t h a
M o d e S i n t e r r o g a t i o n w i t h S P R O n
a n d i n d i c a t e s i f r e p l y i s r e c e i v e d . T h e
s a m e i n t e r r o g a t i o n i s s e n t a g a i n w i t h
S P R O f f a n d t e s t v e r if i e s n o r e p l y i s
r e ceived. D I SPLAY indicat e s r e sult s.
** MODE S ALL-CALL TEST - PASSED **
ALL CALL ADDRESS = 3AC421 [16542Ø41]
TAIL NUMBER = N12345
Press RUN to start
** MODE S ALL-CALL TEST - FAILED **
ALL CALL ADDRESS = 3BD532 [16752462]
TAIL NUMBER = N12345
DF4 REPLY ADDRESS= 3AC421
Press RUN to start
S a m p l e M o d e S A l l - C a l l T e s t S c r e e n s
F ig u r e 1 6
** INVALID ADDRESS TEST - PASSED **
PASSED TEST
Press RUN to start
** INVALID ADDRESS TEST - FAILED **
REPLIED TO INVALID ADDRESS = 3AC422
Press RUN to start
S a m p l e I n v a l i d A d d r e s s T e s t S c r e e n s
F ig u r e 1 7
** SPR ON/OFF TEST - PASSED **
SPR ON : REPLY
SPR OFF: NO REPLY
Press RUN to start
** SPR ON/OFF TEST - FAILED **
SPR ON : REPLY
→
SPR OFF: REPLY
Press RUN to start
S a m p l e S P R O n / O f f T e s t S c r e e n s
F ig u r e 1 8