Air Comm Systems ACS 179A User Manual
Air Comm Systems, Inc.
AirComm
Airborne Audio Products
Six (6) Passenger ICS/Transmit Expansion Unit
Installation and Operations Manual
ACS 179A
Air Comm Systems Inc.
1640 W. Acoma Blvd., Suite A-118.
Lake Havasu City, AZ 86403
Phone(928)854-5402
FAX (928) 854-8919
E-Mail aircomminc@aol.com
ACS 179A Installation and Operations Manual
Table of Contents
Installation
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Physical and Operating Specifications
Physical Dimensions Page 4
InterfaceSchematic Page 5
Operation
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Operation of the ACS 179A Page 6
Typical System Layout Page 7
Page 3
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Instruction for Continued Airworthiness
Instruction for Continued Airowrthiness Page 8
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Warranty Information
Air Comm Systems Warranty Page 9
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Supplemental Information
Product Schematics
Air Comm Systems, Inc. Page 2
ACS 179A Installation and Operations Manual
Physical and Operating Specifications
Physical Specifications
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SIZE: 5.750 W WEIGHT: 1.0 lb.
1.875 H
4.550 D w/ connector ILLUMINATION: n/a
MOUNTING:
CONTROLS:
Operating Specifications
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INPUTS:
during transmit and normal ICS. Mixed audio is unmuted during hot ICS operation.
DUTY CYCLE:
MAXIMUM OPERATING ALTITUDE:
OPERATING TEMP. RANGE:
CURRENT DRAIN:
AUDIO OUTPUT:
FREQUENCY RESPONSE:
Dzus rail mount or remote mounting using 4 hole configuration.
Unit slaves off of an existing audio mixer panel, typically a co-pilot
4 audio inputs. 2 for mixed audio and 2 for the ICS buss. Mixed audio is muted
or crew member.
Continuous
-40 C to +85 C (operating), -65 C to +125 C (storage)
20 mA at 28V (standby), 800 mA at 28V (max. signal)
500 mW into 600 ohms
Within 6 db - 300-3000Hz
POWER REQUIREMENTS:
20,000 ft.
28V DC +/- 10%
ICS INPUT IMPEDANCE:
INPUT ISOLATION:
AUDIO MUTING:
MIKE SENSITIVITY:
DISTORTION:
Not less than 40 db during transmit/ICS (optional)
Less than 10% at 1000 Hz for maximum output
600 ohms
Not less than 60 db between mixed audio and ICS buss.
300 mV for rated output
Air Comm Systems, Inc. Page 3
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