4.Operation Instruction
4.1 Connection of amplifier
(The short circuit of the terminals between the left and right channels shall not be allowed; the output of the power
amplifier is the bridging output; the negative output shall not be connected to the enclosure or grounded)
5.Working Mode
5.1 Microphone Broadcast Mode
In case of the microphone broadcast in any mode, the system will test the voice of the microphone to mute the
other sound sources. If there is no signal from the microphone for 5s, it will restore the original status of playing.
The volume shall be adjusted only in the AUX mode.
5.2 Bluetooth Mode
Press the MODE key to enter the digital screen displaying BLUE, and the name of such bluetooth is “Bluetooth
audio player”. It has the excellent wireless transmission function for the range of visibility at the wireless
transmission distance less than 10m.
5.3 U-Disk/SD Mode
When connecting U-disk, it is necessary to press the MODE key to enter the U-disk playing status; when inserting