Specifications

Audio International, Inc. A/V-9691-01(-02)-x Installation & Operation Manual
Document # 540250, Rev D, 07/2004
Page 5 of 33
2.0 Application
2.1 Introduction
2.1.1 The A/V-9691-01(-02)-x typically interfaces to various source
equipment and audio signal manipulation devices. This unit is
capable of interfacing and accepting input from all Audio
International and standard COTS (Commercial-Off-The-Shelf)
audio source equipment including but not limited to: CD, Cassette,
DVD, and Videocassette players. A/V-9691-01(-02)-x is capable of
providing output to various Audio International and COTS audio
signal manipulation devices including, but not limited to:
equalizers, surround sound processors, power amplifiers, and
headsets. Additionally, the unit is capable of interfacing to cockpit
microphones, cabin briefer and call systems. A/V-9691-01(-02)-x
generates two-tone and single-tone high and low chimes with
multiple inputs for each allowing flexible configuration of chime
function.
2.1.2 The A/V-9691-01(-02)-x provides amplification on four (4) channels
at 75 WRMS at output impedance of 4Ω. This amplifier is
configurable via the RS-485 data bus as dual independent stereo
amplifiers or as a bi-level amplifier. Additionally, the amplifiers may
be specified to power-up with speakers active or inactive. The
weight-on-wheels (WOW) function is configurable to affect
entertainment audio and or chime/page audio.
2.1.3 A weight-on-wheels (WOW) input is provided to increase or
decrease the amplifier output levels by 50 steps for attenuation.
The WOW input is constant ground active (<1.2 VDC to activate).
This level adjustment will continue until the ground input is
removed.
2.1.4 A/V-9691-01(-02)-x allows up to eight (8) audio inputs and 16 audio
outputs. Dual ten-band digital equalizers are provided for internal
use to the unit. Each ten-band digital equalizer provides for the
capability of the user to specify settings for eight (8) individual
preset selections.
2.1.5 Two (2) unit ID inputs are provided. The ID inputs allow up to four
(4) units to be installed on the same data bus. The unit is
configurable via the data bus to individually set power up defaults
for audio selection, volume, bass and treble control for each audio
output. This unit also provides for the capability for the user to
electronically trim each audio input level to match individual user
specifications.