T-45A UJPT, E2-C2, ADV, & IUT Eng-21
CNI System
g.
UHF AM/FM mode switch - place in
AM position
h.
Brightness (BRT) control knob: adjusts
light intensity of frequency/channel
display
3.
Throttle/stick
Sg 2, fr 9
a.
Microphone switch
(1) Location: above speed brake
switch on throttle handle in both
cockpits
(2) Function: three-position slider-
MICROPHONE SWITCH
type switch, spring-loaded to
center (off) position
(a) Up (XMIT-1): allows
transmission on frequency/
channel selected on
COMM radio 1
(b) Down (XMIT-2): allows
transmission on frequency/
channel selected on COMM
radio 2
(c) Depress (ICS): allows
intercommunication between
cockpits and/or between
cockpits and ground crew
when MIC switch is in COLD
position
Sg 2, fr 10
b.
Mute button
(1) Location: left side of control stick
below weapons release "pickle"
button
(2) Function: two-position push button
MUTE BUTTON
(8-03) Original
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