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Operate SINCGARS Radio Single Channel


TASK: Operate SINCGARS Radio Single Channel

TEST CONDITIONS: Given an AN/PRC 119 or AN/PRC 119A, an SOI or ANCD, and a requirement to prepare the radio for operation.

TEST STANDARDS: Load the SINCGARS radio with the required single-channel frequency(ies) within five minutes IAW TM 11-5820-890-10 8.

1. Install battery(ies).

2. Set operator's switches and controls.

a. COMSEC switch in PT.

b. Function switch in LD.

c. Mode switch in SC.

3. Set battery life condition.

4. Install antenna and handset on proper connectors (connects handset to audio/data connector).

5. Preset channel frequency(ies).

6. Perform shutdown procedures.

a. Set COMSEC switch to Z.

b. Turn function knob to Z-FH, then to OFF.

c. Turn radio off.

d. Remove battery.

7. Complete this task within three minutes.

TECHNICAL MANUAL CROSSWALK: This task is the same as that in TM 11 5820 890 10 8, page 4-5.

EQUIPMENT REQUIRED FOR POINT: The SOI extract or ANCD with SOI information already installed, AN/PRC-119 radio, stopwatch, clipboard, BA 5590 battery, antenna, handset H 250, two field tables, a pencil and a ballpoint pen, and FB Form 20 18.1-R.

SITE SETUP: Place the AN/PRC 119 radio, SOI extract or ANCD, stopwatch, clipboard, BA 5590 battery, antenna, and handset H 250 on two field tables with a pencil and a ballpoint pen.

INSTRUCTIONS TO CANDIDATES: Say to the candidates--

"Let me have your attention. At this point you must put the SINCGARS radio into operation within three minutes. You are the platoon leader, 1st Platoon, B Company, 1st Battalion."

"You must perform this task without injuring yourself or damaging the equipment. Do you understand what you must do?"

If anyone has questions, repeat the instructions but do not elaborate on what you have read. Do not penalize the candidate for equipment failure.

Pause five seconds and then say--


Allow the candidate to proceed for three minutes and say--



The lithium battery contains hazardous materials. To prevent personal injury or equipment damage--


  • Heat, incinerate, crush, puncture, disassemble, or otherwise mutilate battery.
  • Short circuit, recharge, or bypass internal fuses.
  • Store battery in equipment.
  • Place used batteries in ordinary trash.
  • DO

  • Turn off equipment and leave the area immediately if you feel the battery case becoming very hot, hear battery hissing or burping, or detect a smell like rotten eggs.
  • Remove the battery only after it cools down.
  • Turn in equipment through supply channels.
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