CHAPTER 1. INTRODUCTION - TM-11-5820-518-200009

TM 11-5820-518-20

CHAPTER 1

INTRODUCTION

Section I. GENERAL

Note. Radio Set AN/ARC-51X is similar to Radio Set AN/

1-1. Scope

ARC-51BX. Information in this manual applies to both radio

a. This manual describes Radio Sets AN/ARC-

sets unless otherwise specified.

51X and AN/ARC-51BX (figs. 1-1 and 1-2) and

b. Equipment nomenclature followed by the

covers their operations, preflight check, and or-

designation (*) denotes all models of a particular

ganizational maintenance. Maintenance includes

equipment item covered in this manual. For exam-

preventive maintenance checks and services,

ple Radio Receiver-Transmitter RT-742 (*)/ARC-

troubleshooting, a n d replacement of main

51BX represents Radio Receiver-Transmitters

c o m p o n e n t s of the AN/ARC-51X and the

RT-742/ARC-51BX and RT-742B/ARC-51BX.

AN/ARC-51BX.

Figure 1-2. Radio Set Control C-6287/ABC-5IBX

1-1

Change 2