T-45C TS, ADV & IUT ENG-25
Display System and Malfunctions
7.
Utilizes BIT
8.
Warning! HUD shall not be used as a primary flight
instrument
9.
Manual data inputs via Data Entry Panel (DEP)
10. Aft cockpit has DEP only for inputs to the HUD
III. Display system interfaces 1.4.18.4.3
A. Hard-Wired interfaces
1.
Used to transmit/receive analog, video, and discrete
data between DEU and the: HUD, MFD, SADS,
CEU, STRS, IFF, COMM. AMP., MISC. switches/
sensors/relays, CWS, VOR/ILS, TACAN, VTR, and
RALT
B. MIL-STD-1553B Multiplex Data Bus
Fig 6:1.
DEU Functions as
1.
Provides path between DEU (controller) and ADR,
BUS CONTROLLER
GINA, and MDL (remote terminals)
2.
Dual redundant twisted pair of shielded cables to
transmit/receive digital data words
3.
Digital data words used for commands, responses,
status, and information
C. Electrical interfaces
Fig 7:1.
Electrical Diagram
1.
Low resistance electrical power connections
2.
28 VDC Essential services bus
a.
Left MFDs
b.
DEU
c.
VCR/CEU
Original (9-98)
Page 25-6
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