DESCRIPTION
General 06−10−1
Audio Integrating System 06−10−1
Description 06−10−1
Components and Operation 06−10−1
Communication Radios 06−10−5
Description 06−10−5
Radio Tuning 06−10−6
Description 06−10−6
CDU Tuning 06−10−6
MFD Tuning 06−10−14
Tune Inhibiting 06−10−17
Cockpit Voice Recorder System 06−10−18
Description 06−10−18
Static Dischargers 06−10−20
Description 06−10−20
EICAS Messages 06−10−21
SUMMARY
Power Supply and Circuit Breaker Summary 06−20−1
LIST OF ILLUSTRATIONS
DESCRIPTION
Figure 06−10−1 Communication System 06−10−1
Figure 06−10−2 Audio Integrating System Components 06−10−3
Figure 06−10−3 Audio Control Panel 06−10−5
Figure 06−10−4 Flight Management System Control Display Units 06−10−7
Figure 06−10−5 CDU TUNE Page 06−10−9
Figure 06−10−6 VHF Radio CONTROL Page 06−10−11
Figure 06−10−7 HF Radio CONTROL Page 06−10−13
Figure 06−10−8 Cursor Control Panel 06−10−14
Figure 06−10−9 MFD Radio Tuning Block 06−10−15
Figure 06−10−10 VHF Comm Submenu Control 06−10−16
COMMUNICATIONS
Table of Contents
Vol. 2 06−00−1
Oct 05/06
CHAPTER 6 - COMMUNICATIONS
06−00−1
CL−605 Flight Crew Operating Manual
PSP 605−6
TABLE OF CONTENTS
Page
TABLE OF CONTENTS
LIST OF ILLUSTRATIONS
DESCRIPTION
Figure 06−10−11 HF Comm Submenu Control 06−10−17
Figure 06−10−12 TUNE INHIBIT Switch/lights 06−10−18
Figure 06−10−13 Cockpit Voice Recorder 06−10−20
Figure 06−10−14 Static Dischargers Location 06−10−21
COMMUNICATIONS
Table of Contents
Vol. 2 06−00−2
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
Page
GENERAL
The aircraft communication system includes those components and subsystems providing
air-to-ground, interphone and cabin communications. The system is also responsible for recording
communications and cabin audio. It includes the following:
• Audio integrating system;
• Communication radios;
• Radio tuning system;
• Cockpit voice recorder; and
• Static dischargers.
Communication System
Figure 06−10−1
AUDIO INTEGRATING SYSTEM
Description
The audio integrating system integrates and manages audio from several audio sources, including
crew and service interphone, communication radios and navigation receivers. In addition, the
system integrates audio signals, tones and messages from the engine indication and crew alerting
system (EICAS), and provides a summation of crew communications to the cockpit voice recorder
(CVR).
Components and Operation
The audio integrating system includes the following components:
• Audio electronics control unit;
• Audio control panels;
• Flight compartment speakers;
• Microphone and headphone jacks;
• Hand-held microphones;
• Microphone push-to-talk (PTT) keying switches; and
• External ground interphone jacks.
COMMUNICATIONS
Description
Vol. 2 06−10−1
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
AUDIO INTEGRATING SYSTEM (CONT'D)
Audio Electronics Control Unit
The audio electronics control unit is responsible for receiving and processing audio and
microphone keying input. The unit interfaces with the following:
• Boom, hand-held and oxygen mask microphones;
• Microphone keying switches;
• Ground interphone communication stations;
• Communication and navigation radios;
• Engine indication and crew alerting system (EICAS); and
• Recording systems (voice, flight data).
The unit integrates audio from the crew intercom, communication and navigation radios, and
receives command input from the audio control panels. In addition, the unit receives microphone
keying and audio, and routes it to the associated radio system. The audio is also provided to the
voice recorder system for recording.
EICAS audio is provided in the form of aural tones, chimes and voice messages. This audio is
triggered by the DCUs, processed by the audio electronics control unit, and played through the
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