T-45C TS, ADV & IUT ENG-25
Display System and Malfunctions
3.
28 VDC Generator bus
a.
Right MFDs
b.
HUD
c.
DEP
4.
115 VAC NON-Essential Services Bus
a.
DEU cooling fan
5.
26 VAC NON-Essential Services Bus
a.
DEU
IV. Display system bit 1.4.18.4.2
A. Built-In-Test (BIT) for initializing the DEU, MFDs,
and HUD/PDU
1.
Two BIT MENUs
a.
Weight-Off-Wheels gives real time
status of equipment, Continuous BIT
b.
Weight-On-Wheels has selectable
Fig 8:1.MFD-Bit page
W-off-W
options, AUTO/ DSPY for component
Initiated BIT
2.
Maintenance display page.
Fig 9:1.MFD-Bit page
W-on-W
3.
BIT status report; GO, OPGO, DEGD,
OVRHT, IN TEST
4
Display BIT-DBIT selectable on DEU, MFDs, and
HUD/PDU
5.
AUTO BIT-secondary BIT automatically for DEU
followed by GINA, ADR, MDL and RALT
Fig 10:
BIT Status Report
6.
Monitors equipment status and notify aircrew fault
Original (9-98)
Page 25-7
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