BOMBARDIER Challenger 601-3A CL-600-2B16 Pilot Training Manual page 419

AUDIO INTEGRATING SYSTEM
An audio integrating system provides volume,
interphone, and navaid monitoring controls.
The audio integrating system consists of an in-
terphone, loudspeakers, microphone jacks,
and associated radios for transmission and re-
ception. The interphone provides cockpit and
ground crew communications. Ground crew
may use the interphone from the nose wheel
well, avionics bay, and aft equipment bay
(Figure 16-6).
The audio control units permit listening ca-
pabilities for the following:
• VHF navigation (VHF NAV 1 and 2)
• Marker beacon (MKR 1 and 2)
NOSE WHEEL
WELL STATION
Figure 16-6. Audio Integrating System Exterior Plug-in Locations
RADIO RACK
STATION
FOR TRAINING PURPOSES ONLY
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CL-600-2B16 PILOT TRAINING MANUAL
• Automatic direction finder (ADF 1 and
2)
• Distance measuring equipment (DME
1 and 2)
The audio control units provide transmission
and listening capabilities for the following:
• VHF 1 and 2 communications
• HF 1 and 2 communications
The audio control units (Figure 16-7) allow use
from either the headsets or oxygen masks.
The units also provide hot microphone and
loudspeaker functions.
APU
STATION
L t é e
L t d .
HDPH MIC
INTERPHONE UNIT
CL 601-3A/R 16-7