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6
Audio Sentinel
®
+ Streaming Installation and Operation Manual
INSTALLATION
LED indicators
• “Pwr/HB” LED: Illuminates when power is applied and flashes to indicate
microprocessor operation. (Green)
• “EXT” LED: Lit when EXTernal alarm input is active. (Yellow)
• “SS1” LED: Lit when silence is detected on Input 1. (Red)
• “SS2” LED: Lit when silence is detected on Input 2. (Red)
• “Auto” LED: Lit when in automatic switching mode, in manual mode when not
lit. (Green)
• “Enable” LED: Illuminates when the front panel enable push button option is enabled.
• “ON” LEDs: Lit when input is routed to output. (Green)
• “ACT” LEDs: Lit when input audio is above threshold. (Yellow)
Front Panel Controls
“1” and “2” pushbuttons: Used to select which input is routed to the output when in
Manual mode. Each push button has an associated LED indicator, which will illu-
minate when that particular channel is selected. When a channel is selected, the pre-
vious channel is deselected (interlock).
“Auto” pushbutton: Used to toggle between automatic and manual switching modes.
“Enable” pushbutton: The enable (safety) push button can be enabled to require the
user to hold down the enable push button while selecting any of the other front panel
push buttons, the enable LED is illuminated when this function is enabled
Audio Input Connections
Connect your audio sources to either of the two stereo balanced channels. For
unbalanced inputs, connected the high side of the source to the (+) positive input and
the shield along with a jumper between the “–” input and GND terminals. Single
(monaural) input sources should have their left and right inputs connected in paral-
lel. Proper phasing must be observed.
Audio Output Connections
Connect the load to the terminals labeled “OL–/+ CM and OR–/+ CM. For
unbalanced loads, use the “+” and GND terminals only. Shields should be tied to
the “GND” terminals.
NOTE: The switching function is not required for proper ope
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Input 1
(Top row, TB1)
2L-
2L+
Gnd
2R-
2R+
1L-
1L+
Gnd
1R-
1R+
Input 2
(Bottom row, TB1)
Output
(Top row, TB3)
OL-
OL+
Gnd
OR-
OR+
See Remote Control Input Connections
(Bottom Row, TB3)
