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Item 11. Radio Set AN/ARC-134, Vhf Communication
RATINGS
PROCEDURE
GREEN
AMBER
RED
Set pilot's and copilot's C-161
Received and transmitted signals
No sidetone heard. No
I(*)/AIC for vhf communication. Set
heard in pilot"' and copilot"'
reliable two-way
the VHF control to the frequency of a
headsets and strength and
communication possible
local vhf station and establish two-
readability of signals are adequate
from either position(pilot's
way communication from the pilot's
to maintain two-way communication
or copilot's).
position, and then from the copilot's
at each position (pilot's and
position. After communication
copilot's) Squelch is operative.
check, tune to an unused channel
Sidetone heard in headsets
and check squelch((:OMM TEST)
switch.
Item 12. Radio Set AN/ARC-102 Hf Communications
RATINGS
PROCEDURE
GREEN
AMBER
RED
Set pilot's. copilot's. and troop
Strength and readability of signals
Two-way communication
No reliable two-way communication possible
commander's C- 161 I(*)/AIC for hf
are adequate to maintain reliable
possible from one
from any position.
operation. On HF control panel,
communications from the pilot's.
position for usb. Isb. or
apply power to set and select an
copilot's. and troop commander's
am. only. No sidetone
operating channel. Establish two-
positions for sidebands and am.
heard.
way communication with a local hf
station from pilot's, copilot's. and
troop commander's positions, using
upper sideband (usb). lower
sideband (Isb), and amplitude
modulation (am.).
11
TM 11-1520-209-ESC
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