INTRODUCTION
Control communications system C-6533/ARC provides voice communications between
crew positions in an aircraft, under high ambient noise conditions, and when used with like
communications controls. It also provides switching facilities to permit the operator to select
and control associated radio equipment for voice transmission and reception. During this
lesson, you will be trained and tested on the theory of operation, on major components and
their function, and on troubleshooting and repair procedures for communications system
control C-6533/ARC.
NOTE:
The communications system control C-6533/ARC will be referred to as the C-
6533 throughout this subcourse.
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