CHAPTER 1. INTRODUCTION - TM-11-7010-201-40-10011

TM 11-7010-201-40-1/ET821-AA-MMI-010/E154 MTS/T O 31S5-2TSQ73-2-1

CHAPTER 1

INTRODUCTION

Section I. GENERAL

1 -1. Scope. This manual contains general support maintenance instructions for Electronic Circuit Plug-In Unit Test Set

TS-3317( )/TSQ-73 (figure 1-1). The electronic circuit plug-in unit test set is used with Automatic Telephone Central

Office AN/TTC-39 and Automatic Message Switching Central AN/TYC-39. The manual is divided into five volumes.

Volume 1 contains three chapters.

Chapter 1 is an introduction to the manual. Chapter 2 contains a functional

description of the equipment. Chapter 3 provides general support maintenance instructions. Appendix A is a list of

reference documents. A glossary is included at the back of volume 1. Volumes 2, 3 and 4 contain wire lists. The

electronic circuit plug-in unit test set is hereinafter referred to as the module test set (MTS). Volume 5 contains the MTS

test aid for use with the MTS.

Figure 1-1. Electronic Circuit Plug-In Unit Test Set TS-3317 ( )/TSQ-73

1-1