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Page Title:
Heading and Attitude Variable Analog Signal Tests (CRC)-continued |
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 TM 55-4920-430-13
DIGITAL
STEP
VOLTAGE
CONTROL/SWITCH
NO.
MEASUREMENT
NORMAL RESULTS
NOMENCLATURE
(a) - 5 . 6 t o - 6 . 2 V a c
( a ) J3-X (line)
to J3-W
(b) -5.6 to -6.2Vac
( b ) J3-Y (line)
to J3-X
(c)
- 1 1 . 2 to -12.4Vac
( c ) J3-Y (line)
to J3-W
e.
ATT SELECT
None
CCDA
None
switch S35
(1) -5.6 to -6.2Vac
( 1 ) J6-L (line)
to J6-J .
(2)
( 2 ) J6-K (line)
-5.6 to -6.2Vac
to J6-L
(3) -11.2 to -12.4Vac
( 3 ) J6-K (line)
to J6-J
( 1 ) None
f.
(1) PITCH HSI
(1) None
(1) PITCH
switch S26 .
( 2 ) SIGNAL-GND
( 2 ) None
( 2 ) SIGNAL
( 2 ) None
switch S27
(3) PITCH ATT
( 3 ) J3-P (line)
(3) Rotate
( 3 ) 10.75 to 12.87 Vac
cw to
to J3 -AA
HSI HDG
954
(4) PITCH ATT
( 4 ) J3-P (line)
- 1 0 . 7 3 to -12.87 Vac
(4)
( 4 ) Rotate
HSI HDG
to J3-AA
ccw to
46
(5) PITCH ATT
( 5 ) J3-P (line)
( 5 ) Rotate
-1.07 to +1.07 Vac
(5)
HSI HDG
to J3-AA
cw to
500
( 1 ) CIRCUIT
( 1 ) None
( 1 ) None
(1) 20, 0
g.
SELECT
B, 6
SWITCHES
4-38
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