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Page Title:
Item 2. Control, Intercommunications Set C-1611(*)/AIC, Interphone Operation |
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 4
TM 11-1520-209-ESC
Item 2. Control, Intercommunications Set C-1611(*)/AIC, Interphone Operation
RATINGS
PROCEDURE
GREEN
AMBER
RED
Note: The following serviceability
Adequate sidetone heard
Audio heard in pilot's
Audio not heard in pilot's
test applies only to the interphone
in headsets; undistorted
and copilot's headset;
or copilot's headsets.
function of the C-161 I(*)/AIC. Other
audio heard at a comfortable level
other positions
functions of the C-161 1(*)/AIC, with
in the pilot's, copilot's and
inopoperative.
communication and navigation equip
crewmember's headsets.
ment interconnected, are tested in
other items.
Set pilot's,. copilot's and
crewmember's C-161 I(*)/AIC for
interphone operation. Operate pilot's
microphone switch for interphone
and speak into microphone. Repeat
from copilot's and crewmember's
positions.
Item 3. Radio Set AN/ARC-44, Fm Communications
RATINGS
PROCEDURE
GREEN
AMBER
RED
Note: Establish two-way
Strength and readability of signals
Reliable communications
No reliable two-way communication possible
communication with a tactical fm
are adequate to maintain reliable
possible from one posi
from either position
station located not less than I mile
communication from both positions
tion only. No sideone
from the aircraft. Caution: Do not set
(pilot's and copilot's). Squelch
heard; squelch disabling
the REM-LOCAL switch to REM; the
disabling operative sidetone heard
inoperative.
receiver-transmitter unit will not
operate properly. Set the pilot's and
copilot's C-161 1(*)/AIC for fm
communication. Turn the SB-
327/ARC-44 on and set to a fre
quency of a local tactical fm station.
Set the FM-HOME switch on the SA-
474/AR to FM. Establish two-way
.
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