COMPONENT MAINTENANCE MANUAL
AVIATION RECORDERS
FA2100CVR
Apr. 14/16
Table of Contents
23–70–04
Rev. 15 Page xxxix
Use or disclosure of information on this sheet is subject
to the restrictions on the cover page of this document.
TABLE OF CONTENTS (Cont.)
E. Data Recording Storage 12..............................................
F. Audio Monitoring 17.....................................................
G. Storage Capacity 17....................................................
H. Data Retrieval 18.......................................................
I. Data Reproduction 19...................................................
J. Built-In-Test (BIT) 19....................................................
K. Crash Survivable Memory Unit 20.........................................
L. Crash and Fire Protection 20.............................................
M. Control Unit, Microphone & Preamplifier Equipment 20......................
N. Remote Microphone Module 21...........................................
O. Ground Support Equipment Interface 22...................................
P. BIT and Fault Detection 22...............................................
4. FA2100 CVR SPECIFICATIONS 23..............................................
A. Applicable Documents 23................................................
B. Physical Characteristics 24...............................................
C. Electrical Characteristics 24..............................................
D. Environmental Characteristics 24.........................................
E. Crash and Fire Protection 24.............................................
F. CSMU Torque Requirement 24...........................................
5. INSTALLATION 24............................................................
6. THEORY OF OPERATION 32...................................................
A. MODEL FA2100 CVR SYSTEM THEORY OF OPERATION 32...............
B. Aircraft Interface (AI) PWA 33............................................
C. Audio Compressor (AC) PWA 37..........................................
D. Acquisition Processor (AP) PWA 40.......................................
7. SOFTWARE CONSIDERATIONS (ALL P/NS EXCEPT 2100−1X25/1X26/1X27−( ) and
2100−1X20−( ) MOD−DOT #7) 43..............................................
A. Store Manager Processor Software Organization 43........................
B. Software Operating States 44............................................
C. Data Structures 49......................................................
D. Fault Processing 51.....................................................
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