Performance Series
System Description
© 3M 2002
1
System Description
Introduction
The Performance Series Intercom System (Model 2470
Communications Controller) provides two-way audio
communications between a keypad interface (called a Model 2475
Station Selector) and several remote Call Stations. It is intended
for use in service stations, convenience stores, and other
applications.
The system also provides communication (Paging) between Station
Selectors
Modes of Operation
The system has five modes of operation described below.
Standby Mode The system is in this mode when SBY is displayed.
The Standby mode occurs when no station is
connected, no key is pressed, and the Station
Selector is not in Off Line mode.
Listen Mode The system is in this mode when LIS is displayed.
The Listen mode occurs when a station is
connected and the Talk key is not pressed.
Inbound audio is emitted from the Station Selector.
Talk Mode The system is in this mode when TLK is displayed.
The Talk mode occurs when a station is connected
and the Talk key is pressed. Audio received at the
Station Selector microphone is transmitted.
All Call Mode The system is in this mode when ALL CALL is
displayed. The All Call mode occurs when the
ALL CALL key is pressed. The All Call mode
allows the Station Selector to simultaneously
connect to all Call Stations.
Off Line Mode The system is in this mode when OFF LINE is
displayed. In this mode, the Station Selector is
powered on, but is silent.
: :SBY
_:
: :LIS
S=01: PUMP # 01
: :TL
S=01: PUMP # 01
: :TL
ALL CALL
* OFF LINE *
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