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canadair challenger OPERATING MANUAL SECTION 6 COMMUNICATIONS TABLE OF CONTENTS Subject GENERAL COMPONENTS Headphone, Loudspeaker, Microphone, and Transmit Control Facilities Audio Electronics Unit Audio Control Unit Ground Crew Interphone Unit VHF Communication Radio Components Radio Control Units POWER SUPPLY EMERGENCY OPERATION Pilot's Station Copilot's Station Ground Crew Interphone Stations LIST OF ILLUSTRATIONS Figure Number Title 1 Communication System Controls 2 Pilot's or Copilot's Audio Control Unit 3 Ground Crew Interphone Unit 4 VHF 1 Radio Controls 5 VHF 2 Radio Controls 6
canadair ctiaiienQer OPERATING MANUAL SECTION 6 COMMUNICATIONS 1 . GENERAL The aircraft is equipped with two VHF communication radio systems and an intercom system. The intercom consists of the pilot's and copilot's stations with f u l l radio and flight deck interphone f a c i l i t i e s , and ground crew interphone stations in the nose wheel well, in the radio rack, and at the APU station. The interphone circuits provide two-way communication between all five stations when the aircraft is on the ground. The audio signal from the aircraft aural warning system is fed to both pilots1 headphone channels and direct to both pilots1 loudspeakers. 2. COMPONENTS For the arrangement of communication system controls, refer to Figure 1. The components of the systems are as follows: A. Headphone, Loudspeaker, Microphone, and Transmit Control Facilities Each of the five stations is equipped with separate headphone and microphone jacks, and the pilot's and copilot's stations each have an additional jack for an oxygen mask microphone. The pilot's and copilot's main microphone jacks include circuits for headset boom microphone talk switches. Each pilot's station is also provided with a press-to-transmit switch on the aileron control wheel, and an overhead mounted loudspeaker. B. Audio Electronics Unit All the audio signals from radio communication, radio navigation, and interphone systems, and the transmit control circuits, are processed by the audio electronics unit in the underfloor radio rack. The unit is functionally divided into pilot's and copilot's channels, each channel having i t s operating controls on the corresponding audio control unit. C. Audio Control Unit (Figure 2) The p i l o t 's and copilot's audio control units are located on the side consoles and contain the main system controls. Each unit has nine monitor switches for routing system outputs into the headphone-speaker channel. Also included are a volume control for the headphones and speaker, a switch for selection of either headphones or speaker or both, a switch for selection of headset boom or oxygen mask microphone, and a rotary switch for selection of two-way communication on either of the two communication radio systems or on interphone. Operation of the pilot or copilot PTT switch allows transmission over the selected radio channel. SECTION 6 Page 1 May 28/82 canadair chanentjer OPERATING MANUAL PILOT'S AUDIO CONTROL UNIT COPILOT'S AUDIO CONTROL UNIT PILOT'S OXYGEN MASK STOWAGE (Mask microphone jack inside) COMM-1 \ CONTROL UNIT COPILOT'S OXYGEN MASK STOWAGE (Mask microphone jack inside) NOTE Ground crew interphone units not shown (refer to Figure 3). HEADPHONE AND MICROPHONE JACKS © Communication System Controls SECTION 6 Figure 1 Page 2 May 28/82 canadair chanencjer OPERATING MANUAL MONITOR SWITCHES ^ Used to select (up position) audible output of communication and navigation radios separately or in combination. Each radio must first be switched on independently. * SPKR VOL CONTROL & Varies volume of audio to speaker and headphones except aural warning. Turn clockwise to increase volume. SPKR-PHONE-BOTH SWITCH ^ Switches audio to speaker, headphones, or both, but pilot's speech on interphone is not transferred to speaker. NAV DME MKR ADF VHF g S 0 0 0 0 0 8 9 SPKR BOOIV @ BOTH Q BOOM - O XY SWITCH Connects headset boom microphone or oxygen mask microphone to system. NOTES 1 The pilot's facilities are described; the copilot's are similar except as noted. /£\Emerqencv Operation: if power fails in either channel of the audio electronics unit, controls marked /2\do not function. Pilot can use VHF 1 and hear NAV 1 without volume control. Copilot can www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：Bombardier-Challenger_00-Communications
