CHAPTER 1. INTRODUCTION - TM-11-5820-509-120006

TM 11-5820-509-12

CHAPTER 1

INTRODUCTION

Section I. GENERAL

b. Report of Packaging and Handling Deficiencies.

1-1. Scope

Fill out and forward DD Form 6 (Report of Packaging and

This manual describes Radio Set AN /PRC-47 (fig. 1-1)

Handling Deficiencies) as prescribed in AR 700-

and includes instructions for installation, operation, or-

58/NAVSUP PUB 378/AFR 71-4/MCO P4030.29, and

ganizational maintenance, shipment and limited storage,

DSAR 4145.8.

and demolition to prevent enemy use. The manual pro-

c. Discrepancy in Shipment Report [DISREP] [SF

vides instructions for operation under usual and unusual

361]. Fill out and forward Discrepancy in Shipment Re-

conditions, and includes procedures for the cleaning, in-

port (DISREP) (SF 361) as prescribed in AR 65-

spection, and maintenance of the AN/PRC-47 by the op-

38/NAVSUPINST 4610.33/AFM 75-18MCO P4610.19A,

erator and organizational maintenance personnel. The

and DSAR 4500.15.

repair parts list is contained in Appendix B and the

d. Reporting of Equipment Manual Improvements. Re-

maintenance allocation in Appendix C.

port of errors, omissions, and recommendations for im-

1-2. Indexes of Publications

proving this publication by the individual user is encour-

a. DA Pam 310-4. Refer to the latest issue of DA Pam

aged. Reports should be submitted on DA form 2028

310-4 to determine whether there are new editions,

(Recommended Changes to Publications and Blank

changes, or additional publications pertaining to this

Forms) and forwarded direct to Commander, U.S. Army

equipment.

Electronics Command, ATTN: AMSEL- Fort Monmouth,

b. DA PAM 310-7. Refer to DA Pam 310-7 to deter-

NJ 07703.

mine whether there are modification work orders

e. Administrative Storage. For procedures, forms and

(MWO's) pertaining to this equipment.

records, and inspections required during administrative

1-3. Forms and Records

storage of this equipment, refer to TM 740-90-1.

a. Reports of Maintenance and Unsatisfactory Equip-

f. Destruction of Army Materiel to Prevent Enemy Use.

ment. Maintenance forms, records, and reports which are

For information on this subject, refer to TM 750-244-2.

to be used by maintenance personnel at all maintenance

levels are listed in and prescribed by TM 38-750.

Section II. DESCRIPTION AND DATA

1-4. Purpose and Use

a. Purpose. Radio Set AN/PRC-47 (fig. 1-1) is a high

but can be vehicular-mounted or used as a fixed station,

frequency radio communications system. The radio set

such as in a shelter. In the portable configuration, one

primarily provides 10,000 channels of upper sideband

member of the two- team carries the receiver-

(usb) voice transmission and reception, continuous wave

transmitter, and the other member carries the battery

(cw) telegraphy, or frequency shift keying (fsk) teletype

pack and accessories. When the radio set is vehicular-

in the 2.000- 11.999-mHz frequency range. The radio

power is supplied from the dc vehicular generator; when

set can be operated from its own control panel or con-

used as a fixed station, normal single-phase power is

trolled by a remote power control panel, such as Control

required. The radio set is also capable of frequency shift

Group AN/GRA-6, for at least a 2-mile distance.

keying (fsk) communication when used in conjunction

b. Use. Radio Set AN/PRC-47 is used for two-way

with the fsk converter such as Converter-Oscillator CV-

high-frequency (hf) radio communications. It is nor-

786/TRC-75.

mally used in the portable (man carried) configuration,

1-1