User Manual

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EX-3
■ Rear Panel
21
Multifunctional Digital Power Amplifier
1. BNC Antenna Connector: Allow full rotation to the best position. In normal operation, the
antenna should be placed in a vertical position.
2. USB Port: Connect to the PC software through the USB port for the fine adjustment of
internal parameters.
3. Optical Fiber Coaxial Input: It is an interface for optical fiber signal and coaxial digital
signal.
4. REC Output Interface: It can be connected when recording is needed.
5. MIC Input Interfaces: Connect and expand the other two wired and wireless microphones.
The input volume can be matched through PC software.
6. CENTER & SUBWOOF XLR Balanced Outputs: These two output ports can be connected to
subwoofers and center speakers.
7. VOD Input: VOD audio input interface.
8. Power Output Interfaces: Used to connect main speakers, with the red terminal connected
to the positive pole and the black terminal connected to the negative pole.
9. Heat Dissipation Window: It is used to dissipate heat and ensure the normal operation of
the equipment.
10. AC Power Input Socket: Connect to a qualified and matched AC power supply through a
power cord.
11. Fuse: Protect the whole machine from being burnt out by strong electricity.