Model FA2100 CVR
Instruction Manual
Installation & Operation
165E1846–00
Jan. 01/03
Rev. 07
Page 16
Future Systems: Audio control panels and systems designed to meet or exceed the characteristics of
Radio Technical Commission for Aeronautics RTCA/DO–170 for “hot” boom microphone capability
may be determined to be acceptable.
3.9
Microphone Installation Criteria
The most desirable location for the Cockpit Area Microphone is forward of a vertical plane oriented
laterally through the pilot’s and co-pilot’s normal head position. The Cockpit Area Microphone must face
the crew members. Refer to Figure 5 for an illustration of the preferred placement for the Cockpit Area
Microphone. Ensure that the microphone is mounted such that the exposed portion of the microphone
element is unobstructed.
3
3
1
2
2
RECOMMENDED MICROPHONE LOCATIONS
ARE NUMBERED IN ORDER OF PREFERENCE
Figure 5.
Recommended Cockpit Area Microphone Mounting Location
3.10
Cessation of Recording
Federal Air Regulations 23.1457 (d), (2), 25.1457 (d), (2), 27.1457 (d), (2), and 29.1457 (d), (2) state that
“There [must be] an automatic means to simultaneously stop the recorder and prevent each erasure
feature from functioning, within 10 minutes after crash impact.” The Installer must demonstrate this
function.
Since the FA2100 CVR System can be powered by either 115 Vac at 400 Hz, or 28 Vdc, the following
methods are acceptable to ensure automatic cessation of recording: