Audio Authority Access EZ 922, System Installation Manual

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46
Definition of Terms
To successfully install your new Access Demonstration Network , you should familiarize yourself with the
following terms:
Address A number that pinpoints the identity and location of a switch module within that system.
The installer sets numeric switches like the ones in Figure 26 on page 17 for each module
that provides a unique address in the proper sequence for each component connected to
the system.
AutoDamping
™
When merchandising many pairs of different speakers in a showroom, the drivers of the
unselected speaker pairs become passive radiators when the currently active speaker
pair is playing, absorbing much of the sound coming from the speakers being played.
AutoDamping
™
is a circuit in the Model 932 and 939 that electrically disconnects (shorts)
speakers not being played, thereby automatically damping them as passive radiators and
improving sound quality in the showroom.
Bus A Bus is a pathway for signals to travel from module to module; a cable connecting
modules. There are three types of buses found in most AccessEZ Systems:
•
System Bus A four wire harness (red, black, yellow, blue) connected to every
Access module. The System Bus carries the signals that control the selection of
the components and perform various housekeeping functions among the modules
in the system.
•
Speaker Bus (or High-level Bus ) A four wire harness (green, white, brown, gray)
that carries speaker-level signals from source and/or amplifier modules to
speaker modules.
•
Low-level Bus
A signal bus using RCA patch cables to carry low-level audio
signals between source modules and equalizer or amplifier modules.
Bypass
A way to hear a system without a particular in-line component (EQ, Crossover, Amplifier,
etc.) For example, when you wish to hear a system without the processor, the system can
route the signal past the processor group and directly to the amplifiers. In this expample,
Position #4 on the last module in the Processor Product Group is used as the bypass
location. When this position is selected, or the bypassed Product Group is deselected, the
audio signal continues through the bypassed group to the next Product Group. To activate
Bypass, find the last 922 module in the Processor group and turn on its Bypass switch.
Control Panel Control Panels, like the 903, 906G or third party Touchscreen, add central control and
display capabilities to a system. Any control panel can operate hand-in-hand with product
select buttons.