Specifications
TM 11-5820-670-30
HOW TO USE THIS MANUAL
This manual is designed to help you maintain Receiver-Transmitter, Radio RT-823/ARC-131 and
Control, Radio Set C-7088/ARC-131 which are components of Radio Set AN/ARC-131.
A front cover index is provided for quick reference to important information contained in this manual.
Each item appearing on the front cover is boxed and identified by topic, with the page number where
the information is located.
Paragraphs in this manual are numbered by chapter and order of appearance within a chapter. A
subject index appears at the beginning of each section to help you find the exact paragraph you are
looking for.
Measurements in this manual are given in both US standard and metric units. A metric to US standard
conversion chart can be found in the back of this manual.
There are warnings at the beginning of this manual. Before doing maintenance on the equipment,
learn the warnings and always follow safety procedures and precautions.
Step by step procedures with illustrations give you all the necessary information needed to maintain
the equipment. The steps must be followed in exact sequence. Do not attempt any shortcuts.
ii