MAI NTENANCE MANUAL
ATC-1400A-2
2-2-2
Page 5 3
Subj e c t to E x p o rt Con t r o l, s e e C o ver P a g e fo r d e tail s . F e b 2/ 0 9
STEP DATA RESULT
59. Wi d e 109 0 M H z X pul s e spa c i n g b e l o w acc e p t ed
min i mu m 9 . 5 µs (±0. 4 µs) ____ _ _ _ _
62. W i d e 109 0 M H z X pu l s e sp a c i ng a b o v e a c c e pte d
max i m u m 1 4 .5 µs (±0. 4 µs) ______ _ _
65. 109 0 X P D R D M E - P RF Hz/ X P D R - % R E P LY Dis p l a y
i n d i cat e s 1 00% f o r a c c e pte d p u lse s p aci n g in r e p l y. ___ _ _ _ __ ( √)
66. ‘F ’ d oes n o t app e a r in X P D R C o de d i s p lay f o r ac c e p ted 1 0 9 0
XPDR Sp a c i ng __ _ _ ___ _ (√)
68. 10 9 0 XPDR Co d e D i spl a y
i n d i cat e s pul s e spa c i ng b e l ow ac c e pte d m i n imum
1 9 . 9 µs (±0.1 5 µs) ____ _ _ _ _
70. 10 9 0 XPDR Co d e D i spl a y
i n d i cat e s pu l s e sp a c i ng a b o ve a c c ep t e d maxi mum
2 0 . 8 µs (±0.1 5 µs) ____ _ _ _ _
73. 10 9 0 X PDR Narr o w W i ndow a d j u sted t o 20. 1 9 u S +
10n s ___ _ _ _ __
75. 10 9 0 X PDR Narr o w W i ndow a d j u sted t o 40. 4 1 u S + 1 0 n s ______ _ _
(9) X and Y C h a nne l R a n g e an d R - N A V Delay
5. 8.0 9 1 2 69 MHz ( ±4 0 0 Hz) ____ _ _ _ _
8. Osci l l o sc o p e di s p lay s 3 6 µs in t e r roga t i o n p u l s e pa i r . ______ _ _ (√)
Oscil l o sco p e dis p l a ys 1 0 9 0 MHz Y r a nge r e ply . __ ___ _ _ _ (√)
Rang e r epl y d e la y i s 56 µs ( ±2 4 7 ns ) . ____ _ _ _ _
11. Oscil l o sco p e dis p l ays 1 2 µs int e r r o gat i o n pul s e pai r . _ _ _ _ ____ (√)
Oscil l o sco p e dis p l a ys 1 0 9 0 MHz X r a nge r e ply . __ ___ _ _ _ (√)
Rang e r epl y d e la y i s 50 µs ( ±2 4 7 ns ) . ____ _ _ _ _
12. 10 9 0 MHz X ra n g e re p l y del a y (lo a d e d ra n g e can c e l ed
out b y - 1 NMi/NORM Switch ) i s 50 µs ( ±2 4 7 n s ) . _ _ _ ____ _
14. 10 9 0 MHz Y ra n g e re p l y del a y (lo a d e d ra n g e can c e l ed
out b y - 1 NMi/NORM Switch ) i s 56 µs ( ±2 4 7 n s ) . _ _ _ ____ _
16. 10 9 0 MHz Y ra n g e rep l y del a y w i th 3 9 9 nmi ra n g e
4 9 8 7 . 2 µs (±0.4 9 µs ) ____ _ _ _ _
18. 10 9 0 MHz X ra n g e rep l y del a y w i th 3 9 9 nmi ra n g e
4 9 8 1 . 2 µs (±0.4 9 µs ) ____ _ _ _ _
21. Ec h o rep l y del a y i s 4 2 0 . 8 µs (±12 µs) _ _ _ _ ___ _
23. 10 9 0 M H z X R NAV p u l se s p a c ing 5 0 .0 µs ( ±0 . 2 5 µs) ____ _ _ _ _
24. 10 9 0 M H z X R NAV p u l s e wi d t h s 7 µs ( ±1 . 0 µs ) ___ _ _ _ __
26. 10 9 0 M H z Y R NAV p u l se s p a c ing 5 6 .0 µs ( ±0 . 2 5 µs) ____ _ _ _ _
27. 10 9 0 M H z Y R NAV p u l s e wi d t h s 7 µs ( ±1 . 0 µs ) ___ _ _ _ __