T-45A UJPT, E2-C2, ADV, & IUT Eng-21
CNI System
NOTE: Allow a minimum of 2
minutes for warmup when system
is first turned on.
(3) NORM: applies power to
receiver-transmitter at normal
receiver sensitivity for full range
operation
(4) EMER: transmits emergency reply
signals to Modes 1, 2, or 3/A
interrogations regardless of Mode
control settings. In addition, 7700
Mode 3/A is transmitted automati-
cally
b.
STATUS lights
(1) ALT: not functional
(2) KIT: not functional
(3) ANT: illuminates to indicate an-
tenna function failure
c.
Identification of position (I/P) switch
(1) IDENT: initiates identification reply
for approximately 20 seconds
(2) OUT (spring-loaded from IDENT):
prevents triggering of reply
(3) MIC: permits identification
(IDENT) reply to be initiated by
pressing radio microphone switch
d.
Mode 1 code selectors: selects and
displays Mode 1 two-digit reply number
for security identification (not normally
used)
(8-03) Original
Page 21-19
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