Gilderfluke&Co 16 Bit CD-Quality Digital Audio Systems - Manual (Page 21)

tions is provided by the PA interface.
¥ Each DR-3000 or DR-4000 Repeater added to the Intelligent PA system adds another possible
PA output to it.
¥ The PA system can act as a bridge to run animation systems, Digital Audio Repeaters, etc.
from PA stations.
The PA system consists of one PA Master, one PA Interface Panel for each eight PA stations (the first
one of these is part of the PA Master), and the PA Stations themselves. These are available in four differ-
ent styles:
Each PA Interface Panel has connections for eight PA stations, eight balanced ÔlocalÕ PA outputs, and
one (optionally eight) balanced Back Ground Music (BGM) inputs. The BGM is normally fed to the eight
local PA outputs. When one of these responds to a PA zone request, the PA announcement is fed to it as
the BGM is half-muted. Each local PA output can respond to four different prioritized PA zone requests.
Local PA Outputs (8)
Local PA Outputs (8)
UP TO 256
PA/INTERCOM
STATIONS
EXT. INPUTS
UP TO 256
DIGITAL
REPEATER/
MIXER CARDS
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
Digital
Repeater/
Mixer Card
AMP
EXT. INPUTS
EXT. INPUTS
EXT. INPUTS
EXT. INPUTS
EXT. INPUTS
EXT. INPUTS
EXT. INPUTS
EXT. INPUTS
Serial Port Printer Port Analog Output BGM input (1 or 8)
MA-100
PA Master
BGM input (1 or 8)
up to 31
MA-200
PA Interface Cards
As shown by the darkened audio path in the previous illustration, when a user at any PA station re-
quests a PA ZONE, an audio path is opened to any of the Local PA Outputs and DR-3000s in the system
that have been configured to respond to requests for that PA ZONE (in this example there are three DR-
3000s or DR-4000s and four Local PA Outputs responding). The normal audio on those outputs is
dropped to the half muted level (this level is adjustable on each output) while the audio from the PA sta-
tion is routed to the outputs (the volume of the announcement is also adjustable on each output). The
rest of the audio system and the Repeaters on the affected DR-3000s continue to operate as usual. Up
to sixteen such PA announcements can go on at the same time.
G ILDERFLUKE & C O . ¥ 205 S OUTH F LOWER S T . ¥ B URBANK , C ALIF . 91502-2102 ¥ 818/840-9484 ¥ FAX 818/840-9485
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