PRC-112 SURVIVAL RADIO PowerPoint Presentation on CD

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Contains the following key public domain (not copyrighted) U.S. Government publication(s) on one CD-ROM in both Microsoft PowerPoint and Adobe Acrobat PDF file formats:

TITLE:

AN/PRC-112, 28 pages (slides) 

SLIDE TOPICS, SUBTOPICS and CONTENTS:

AN/PRC-112
Terminal Learning Objective
ACTION: Operate the AN/PRC-112 Survival Radio.

CONDITION: Equipped with an AN/PRC-112 Survival Radio.

STANDARD: In accordance with TM 11-5820-1037-13.
Administrative Information
Safety Requirements: None.

Risk Assessment Level: Low.

Environmental Considerations: It is the responsibility of all soldiers and DA civilians to protect the environment from damage.  This class has no environmental considerations.

Evaluation: None.
SYSTEM DESCRIPTION
PRC-112 is part of the AN/AYD-1 Personnel Locator System

          AN/ARS-6(V) (Aircraft)
    + AN/PRC-112  (Ground Radio)
    = AN/AYD-1

SYSTEM DESCRIPTION

Acts as transponder with individually assigned Survivor ID Code

Located with minimal action from operator

Two-way commo capable

Program Loader used for Survivor ID Code & two frequencies

SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
During mission, functions as transponder in response to interrogation requests without operator input

Aircraft receives range and direction to operator

Increased battery life
EQUIPMENT DESCRIPTION
EQUIPMENT DESCRIPTION
FUNCTIONAL DESCRIPTION
Survivor Radio/Transponder receives interrogation on UHF freq (225.000 to 299.975 MHz in 25 KHz steps)

Transmits response on same frequency

Operator should avoid positioning in a depression for max range
FUNCTIONAL DESCRIPTION
Do not point antenna directly at aircraft

Audio output is thru speaker/microphone unless earphone attached

Battery life for voice commo is:
15 hours @ 25° C with 90% radio usage receiving and 10% transmitting
5 hours in beacon mode
MODES OF OPERATION
TRANSPONDER MODE

Interrogates survivor ID code

If code is identical, radio set transmits ranging modulation

Code is either serial # of radio or pushed from higher

MODES OF OPERATION
TRANSPONDER MODE

Interrogation/reply use ‘A’ or ‘B’ code determined in SPINS

DME indicator indicates properly decoded interrogation/response

Pressing PTT while radio is actively responding to interrogation will disrupt ranging process.
MODES OF OPERATION
EMERGENCY BEACON MODE

Locator transmitter which transmits conventional beacon for ADF equipment

Transmits on 121.5 and 243.0

Reduces battery life to five hours and is overt NOT covert!

Check on Learning
How many frequencies can an operator transmit on utilizing the AN/PRC 112?

What does the DME indicator indicate?

OPERATION PROCEDURES
OPERATION PROCEDURES
Check on Learning
What is the standard Search and Rescue frequency?

What must be done to the Channel/Mode selector switch to select BCN?
PROGRAM LOADER
Easy to use for loading

Survivor Code

‘A’ frequency

‘B’ frequency


Check on Learning
What must be done prior to utilizing the PRC 112?

How many frequencies can an operator transmit on utilizing the AN/PRC 112?

What does the DME indicator indicate?

Check on Learning
What is the standard Search and Rescue frequency?

What must be done to the Channel/Mode selector switch to select BCN?


Summary
AN/PRC-112 Survival Radio
Features of the AN/PRC-112
Equipment description
Functional description
Operation of the AN/PRC-112 Survival Radio
Loading
PLS survivor ID code
Channel A and Channel B frequencies

Questions?