T-45C TS, ADV & IUT ENG-21
CNI System
(1) Warning tone: in conjunction with illumina-
tion of warning (red) light on warning/cau-
tion/advisory light panel, the FIRE warning
light, or L BAR warning (red) light
(2) Caution tone: in conjunction with illumina-
tion of caution (amber) light on caution
advisory panel
(3) Wheels warning tone in conjunction with a
red wheels warning light on the right side of
the AOA indexer in both cockpits: indicates
LDG GEAR handle is not set to DN, the
throttle is below 95% N2 rpm position and
either of the following conditions exists:
(a) Altitude is less than 7,700 feet MSL
and the airspeed is less than
170 KIAS, or
(b) The FLAPS/SLATS levers are not in
the UP position
(4) Low altitude tone: indicates aircraft has
descended below altitude index set on
radar altimeter
(5) Weapon release tone: sounds when
weapon pickle button is depressed
(6) Simulated gunfire tone: generated when
trigger is depressed and armament control
system (ACS) is armed for guns
(7) Stall warning tone: indicates impending
aircraft stall, associated with rudder pedal
shaker
2.
COMM control panel
Sg 2, fr 10
Fig 2:
a.
Provides selection of comm amplifier (normal or
Control Panel
alternate)
Page 21-20
(9-98) Original
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