INTRODUCTION
This technical manual provides operation and maintenance instructions for the RX-340
HF DSP Receiver. The manual was prepared in accordance with MIL-HDBK- 1221,
"Department of Defense Handbook for Evaluation of Commercial Off-The-Shelf (COTS)
Manuals." It is organized into ten chapters along with a Table of Contents, List of
Illustrations, and List of Tables.
Chapter 1 presents general information about the Receiver, which includes functional
capabilities, performance specifications, and physical dimensions. Chapter 2 provides
information concerning the unpacking and initial installation of the receiver. A general
theory of operation is provided in Chapter 3 which describes the functioning of the
Receiver's individual circuit boards. Chapter 4 provides detailed descriptions of all
front- panel operating controls, plus complete instructions for local operation. Chapter 5
contains information on operation of the multi-drop RS-232 Interface and the Parallel
Data Output. Chapter 6 provides information on maintenance and troubleshooting
measures to be employed at the user's level. Instructions pertaining to the reshipment or
long term storage are provided in Chapter 7. A detailed list of unique single-source parts
is provided in Chapter 8. In addition, Chapter 8 contains a list of manufacturers for these
parts and their addresses. Chapter 9 provides a listing of replaceable modules and parts.
Chapter 10 contains detailed parts lists for each of the replaceable modules. Chapter 10
also contains schematic diagrams for the electronic circuits.
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