Aeroflex ATC-1400A-2 - X and Y Channel Range and R-NAV Delay Procedure

MAI NTENANCE MANUAL
ATC-1400A-2
2-2-2
Page 3 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
(9) X and Y C h a nne l R a n g e an d R - N A V Delay
PREREQUISITES : 2-2- 2 D ( 1 ) P ower S u p p l y
TEST E Q UI P M E N T : 1 F r e quenc y C o u n ter
1 Dual P u l s e Gen e r a t or
1 Osci l l o sc o p e
3 50 Ω Coa x i a l Cabl e s (BNC to B N C )
1 50 Ω Coa x i a l Cab l e ( BNC to T y pe N)
1 50 Ω Coa x i a l Cabl e ( B NC to E - Z H o ok)
1 L-Ba n d A m p l ifie r
SET-UP DIAGRAM:
T
CH BCH A
SCOPE
DUAL PULSE
GEN
OUT
TRIG
I
POWER
WATTS
MHz
UNIT UNDER TEST
XMTR PWR
XMTR FREQ
REPLY
Hz
XPDR-%
DME-PRF
DISPLAY SELECT
XPDR MODE
RANGE/VEL/ACCEL
XMTRGEN
NORMOUT
-1 NMiIN
R
A
E
L
C
D
A
O
L
FT/S/S
KTS
NMi
ACCELVEL
XXX.00XXX0.0
RNG
XXX.XX
RF I/O
OFF
NORM
CW
-dBm
RF LEVEL
F
FREQ / FUNCTION SELECT
VAR
SUPPRESSOR
OFFON
OFFON
SLS/ECHO
XPDR PULSE WIDTH
CALVAR
RATE
STEP
FREQ
OFF
STEP
MAN
MAN
AUTO
/
CAL O
CAL MARKS
1.45S
1.0S
SYNC
TAC
D
O
T
T
2
DME P DEV
-+
-
+
+
-
V
V
V V V
V
V
232
CALCALCAL
PPP
OFFON
32
XPDR P /P DEVPRF/SQTR
DBL INTERR / INTRF PULSE
PULSE WIDTH
INTRF
DISCRIMINATOR
1 1
F
/
PP
/
F
22
OFF
TONE CODE
IDENT
OFFON
TACAN
A
T
2
1
FEET
CODE
2
1
AC
AC
D
C
B
90
80
70
60
100
40
30
20
10
0
50
EFFICIENCY
DME REPLY
PRF SQTR Hz
FREQ
RANGE
VEL
XPDR
DME DIST
XPDR
000 0
OFF
00 000 0 0
OFF
0000 0
0
0
0
+
0 0 0
0 0 0
0 0 0 0
7506010
TO DME RANGE PC BOARD
ASSEMBLY (TP504)
(TTL OUTPUT)
TO J6, PIN 5
TO J22
COUNTER
FREQUENCY
OUTPUT
AMP
L-BAND
MHz
NMi
KTS
CODE
NMi
X an d Y Chann e l R a n ge a n d R-NAV Del a y C a lib r a t i on T e s t Set u p D i agra m
Figu r e 36
NOTE: Dur i n g per f o r mance o f t his p r o cedu r e , if a c ert a i n co n d i tio n o r sp e c i fic a t i on
cann o t b e ve r i f ied, r e f er t o a ppro p r i a te a s sembly t e s t p r o c e dur e i n 2-2 - 4 for
test i n g an d r e pai r o f fa u l t y as s e m b l y.
STEP PROCEDURE
1. Set A T C - 1 4 00A- 2 c o ntro l s a s f o l l o ws:
CONTROL SETTING
SLS/ECHO ON/OFF S w i t c h OFF
DME DEV P
2
/CAL Swi t c h -
∆
TO /TAC/TD Sw i t c h TD
PRF/SQTR ON/OFF S w i t c h OFF
IDENT TONE/ OFF / C O D E S w i t ch OFF
TACAN ON/OFF S w i t c h OFF
DME REPLY EFF I C I E N C Y Control 100%
FREQ/FUNCT I ON S E L E C T Thumbwhee l s 109 0 M H z Y
DME P
2
DEV T h u m b w h e els 5.0
SLS/ E C H O T h u mbwheels 0 dB
SELF-IN T E R R / O F F Switch OFF