
ST2 SETUP AND CONNECTIONS
CAi SERIES AND A-BUS  CONNECTIONS
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  | ST2 Smart Tuner  | 
  | LOOP  | 
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  | TUNER 2  | 
  | LOOP  | 
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  | TUNER 1  | Serial#  | 
NEWMARKET, NH U.S.A.  | FM COAX  | ANTENNA  | 
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  | FM COAX  | ANTENNA  | 
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  | LINK  | 
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  | AUDIO OUTPUT  | 
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  | AUDIO OUTPUT  | 
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  | KEYPAD PORTS  | 
  | IR  | L  | R  | 
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  | IR  | L  | R  | 12VDC 1.5A  | ||
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  | INTERFACE  | 
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  | KOREA  | 
IN  | OUT  | 
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  | E IN  | 
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  | MAD  | ||
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IR Link Cable
RCA Cable
RCA Cable
IR Link Cable
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 CA6.4i NEWMARKET, NH U.S.A.
SOURCE INPUTS![]()
1 2 3 4
R
L
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  | 1  | 
  | LINK  | IR EMITTERS  | 
IN  | OUT  | 
KEYPAD PORTS
1  | 2  | 3  | 4  | 5  | 6  | 
VARIABLE
FIXED
  | OUTPUT TO 8 OHM SPEAKER  | 
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2  | 3  | 4  | 5  | 6  | 
ZONE PREAMP
OUTPUTS
1  | 2  | VARIABLE  | ~110VAC  | 
R
FIXED
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  | MUTE  | 
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  | VOLTAGE  | FUSE  | 
IN  | 12V TRIG  | 
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  | 110V  | F4A  | |
OUT  | WARNING : SHOCK HAZARD – DO NOT OPEN  | ~110VAC  | F2A  | |||
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  | AVIS : RISQUE DE CHOC ELECTRIQUE –  | 
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  | NES PAS OUVRIR.  | 
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  | SERIAL #  | 400W  | 
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RCA Cable  | IR Link Cable  | 
Pos (+)
Neg 
Source Connections with CAi Series Controller/Amplifier
The diagram depicts a typical setup using the ST2 Tuner with a CAi Series amplifier. Each tuner in the ST2 unit must be connected as a separate source for audio inputs.
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  | ST2 Smart Tuner  | 
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  | LOOP  | 
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  | TUNER 2  | 
  | LOOP  | 
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  | TUNER 1  | Serial#  | |
NEWMARKET, NH U.S.A.  | 
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  | FM COAX  | ANTENNA  | 
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  | FM COAX  | ANTENNA  | 
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  | LINK  | 
  | KEYPAD PORTS  | 
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  | AUDIO OUTPUT  | 
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  | AUDIO OUTPUT  | 
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  | IR  | L  | R  | 
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  | IR  | L  | R  | 12VDC 1.5A  | |||||
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  | INTERFACE  | 
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  | OREA  | 
IN  | OUT  | 
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  | IN K  | 
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  | MADE  | ||
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  | RCA Cable | 
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  | RCA Cable  | 
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  | IR Link Cable | 
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  | IR Link Cable  | 
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NEWMARKET, NH U.S.A.  | 
  | SOURCE AUDIO INPUT  | 
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  | L  | 
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  | LINK  | OUT | 
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  | IN  | 
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TRIGGER OUT  | 
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  | 12VDC  | 1  | 2  | 3  | 
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  | 100mA  | 
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  | SYSTEM ON  | 
  | SOURCE IR  | 
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4   | 
  | COMMON IR  | 
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PANEL MOUNT AUDIO HUB  | 
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  | A/B   | 
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  | 1A  | 2A  | 3A  | 4A  | POWER FOR  | KOREA  | 
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  | A KEYPADS  | 
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  | OUTPUT TO  | 
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  | MADE IN  | 
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  | RCA Cable  | 
  | IR Link Cable  | 
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  | A KEYPADS  | 
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  | Pos (+)  | ||||||
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  | +24V  | USA  | 
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  | 4A  | 
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  | OUTPUT TO  | 
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  | DESIGNED  | 
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  | B KEYPADS  | 
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  | 1B  | 2B  | 3B  | 4B  | POWER FOR  | 
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  | Neg   | |
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  | B KEYPADS  | 
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SERIAL#  | 
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Source Connections with A-BUS  Audio Distribution Hub
The diagram depicts a typical setup using the ST2 Tuner with an 
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