Sony MAS-A100 Manual page 44

1000Base-T PoE
Other audio sources
Internet
PCS-XG100
PoE L2 switch
1000Base-T PoE+
Symetrix Prism 4x4
Loudspeakers
Power amplifier
Front
PC for control
ARC Wall Panels
Ceiling
The following diagram shows an example with Prism 4x4 configured using Symetrix
Composer.
Design the audio system so that manual volume adjustment by the mixer and volume
adjustment of the audio system for speech reinforcement (channel volume, master
volume) for the Main output from the MAS-A100 is not possible during normal
operation. To make volume adjustments during normal operation, use the MASM-1,
the web interface of each MAS-A100 unit, or the external control API.
For a sample program for control using the external API, see "B.6 Sample program"
(page 116).
This example uses the echo canceler function of the PCS-XG100. Since the echo
canceler includes non-linear processing, it may affect speech reinforcement and audio
capture. In addition, the microphone input volume of the PCS-XG100 and other
communication devices that have an echo canceler function greatly affects the
effectiveness of the echo canceler.
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