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5. SYSTEM CONNECTIONS
5.1 System connections
This unit has only SD card and USB flash disk input connections, so this unit is used as an audio
output device and send signal to external device like mixer or Amplifier. More details please
refer to Fig 5.1.1.
5.2 Operation precautions
The following will give you some hints and precautions on applications. For more operation
details please refer to Chapter 4.
5.2.1. Make sure that the system is installed properly according to former mentioned way,
each unit is connected correctly.
5.2.2. Suggest connecting to power supply of this unit first and then other connection of the
device. While when shutting down the unit, the power of this unit should be turned off at last. It
can avoid impact on the output device from sudden large signal when turn on/ off the unit.
5.2.3. Besides the power supply adaptor included, this unit also can be powered by other
matched adaptor.
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