Other T-45 Systems
T-45C TS, ADV & IUT ENG-23
4.
VCR switch
a.
Location: upper left instrument panel, fwd
cockpit only
b.
Description: operates VCR system either full
time (ON) or when master armament switch is
in ARM (AUTO)
E.
HUD BIT
Sg 6, fr 5
HUD Controls/
1.
Momentarily press MODE push-button on DEP
Indicators
NOTE: The aircraft must be on the ground and the
system must be in the navigation master mode for
the BIT circuits to function properly.
2.
All detectable failures will be logged in memory and
displayed on far right side of PDU
3.
System will return to navigation master mode when
CLR push-button on DEP is pressed
VII. ACS and HUD aircraft interfaces 1.4.17.2
Sg 7, fr 2
Lesson Organization
A.
Electrical system
OTHER T-45 SYSTEMS
1.
28 VDC essential services bus supplies power for
*
Airborne data recorder (ADR)
emergency jettison of pylon stores
*
ADR major components, operating
characteristics, and interfaces
*
Armament control system
(ACS) overview
2.
28 VDC generator bus: supplies power to 28 VDC
*
Armament control system (ACS)
major component identification
armament control bus when
*
ACS operational characteristics
*
HUD system
a.
Generator bus ARMAMENT circuit breaker: IN
*
ACS and HUD aircraft interfaces
b.
Nose and main landing gear WOW relays are
energized (aircraft airborne)
c.
Master armament (MASTER) switch (fwd
cockpit): ARM
d.
Master armament override switch (aft cockpit):
NORMAL
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