
Button And Interface Function Operation Instructions
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1. USB 2.0 interface
2. Play/Pause
3. Previous song
4. Next song
5. Input status indication
6. Infrared receiving port
7. Input channel selection button (press the
button to select the input channel in turn,
and the selected input channel indicator is
on). The system has a power-off memory
function. When there is no microphone input,
it will automatically recover to the input
channel before power-off after power on.
8. Volume increase button (The volume will
increase by one level when short-pressed,
and it will increase rapidly when long-
pressed. When the maximum volume is
reached, the system will prompt with a beep
sound). The system volume has a power-off
memory function, and the previous volume
will be restored automatically after power-on.
9. MIC input socket (Note: This interface has
a built-in 48V phantom power supply, please
do not connect dynamic microphones!) The
microphone has the highest priority. When
the microphone is turned on and the system
detects a microphone signal, the sound of
the source being used will be reduced by
20dB. When the microphone is turned off, its
volume is automatically restored.
10. AUX input(Mono mode)
11. Power Indicator
12. Device on / off button (if the device is not
used for a long time, please turn off the
power supply of the adapter)
13. Volume down button (volume decreases
by one level when short press, volume
decreases quickly when long press, when the
volume is reduced to the minimum, the
system will prompt with a beep sound) The
system volume has a power-off memory
function, and it will automatically restore to
the previous volume after power-on.
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