T-45A UJPT, E2-C2, ADV & IUT Eng-23
Other T-45A Systems
VI. ACS operational characteristics 1.4.17.2.1, 1.4.17.3
Sg 6, fr 1
Lesson Organization
A.
ACP: provides switch logic and control over
weapon stores and HUD system
1.
Master armament (MASTER) switch: two-
Sg 6, fr 2
position toggle switch controls power to
ACP
NOTE: To prevent inadvertent release of
weapons on the ground, 28 VDC electric
power to the master armament switch is
removed by the nose and main landing
gear WOW relays (proximity switches).
ARMAMENT CONTROLS/INDICATORS
a.
SAFE position removes all power from
28 VDC armament control bus
b.
ARM position
(1) Applies power from 28 VDC
generator bus to 28 VDC
armament control bus
(2) Illuminates red MSTR ARM light in
aft cockpit
(3) Activates VCR when VCR switch is
in the AUTO position
NOTE: Assumes VCR switch in
the aft cockpit is not set to off.
2.
Weapons selector: five-position rotary
switch with selections for OFF, BOMBS,
ROCKETS, GUN A/A, and GUN A/G
a.
OFF disables all release and firing
circuits
b.
BOMBS, ROCKETS, GUN A/A, and
GUN A/G initiate weapons release
logic for appropriate weapon and
Page 23-14
(8-03) Original
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