Item 7 Radio Set AN/AR(:-5(*). Uhf Communications

Item 6. Radio Set AN/ARC-54 or AN/ARC-131 and Discrete Signal Discriminator MD-736/A (Continued)

RATINGS

PROCEDURE

GREEN

AMBER

RED

fm communication. Establish two-

way communication from the pilot's.

copilot's. and troop commander's

position in turn. While the distant

station is transmitting, select the uhf.

vhf. and hf transmit position at the

pilot's C1611(*)/AIC. At each

transmitter position. operate the

pilot's P/T switch to 2ND-POS-

RADIO. Observe that fm reception is

interrupted at the pilot's headset each

time the uhf, vhf, or hf transmitter is

keyed. Similarly. select and key

each transmitter (uhf, vhf, and hf)

from the copilot's position. Observe

that fm reception is interrupted at the

copilot's headset Select and key the

hf transmitter at the troop

commander's position Observe that

fm reception is interrupted at the

troop commander's headset.

Item 7 Radio Set AN/AR(:-5(*). Uhf Communications

RATINGS

PROCEDURE

GREEN

AMBER

RED

Note: This radio set operates within

Strength and readability of signals

No reliable two-way

No reliable two-way communication possible

line-of-sight. Man made or natural

are adequate to maintain reliable

communication Possible

from either position.

obstructions between the aircraft and

from one position only

communicating stations may prevent

Squelch inoperative;

TM 11-1520-209-ESC