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DOC1212B
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INSTALLATION INSTRUCTIONS
DNA78X4 DIGITAL NETWORK 4CH POWER AMPLIFIER
Figure 8 -
Connecting the Fault Relay
OPTIONAL - CONNECT AMBIENT SENSORS
Connect 540S ambient sensors using the supplied 3-position Phoenix plug. Ensure that the connections
are made to match the terminals on the 540S sensor. The following wiring scheme is recommended if using
3-conductor shielded audio cable.
Terminal
Wire
Function
V
Red
+27 VDC to power 540S sensor
IN
Black
Input signal from 540S sensor
GND
Shield
Ground for 540S sensor
Note:
Ambient sensors must be configured and calibrated properly in software before use.
Figure 9 -
Ambient Sensor Connections