6.2 [MIDI-IN & MIDI-OUT] Ports
Use standard MIDI wire to connect to a MIDI keyboard with a standard MIDI serial
port.
6.3 [Line Out L&R] Port
Use an audio wire connect to an external amplifier or speaker.
6.4 [ ] Headphone port
Use headphone connect to this port.
6.5 [Volume] Knob
When you need to adjust the overall external volume of the PianoBox Pro Host,
please turn this knob. Increase volume - turn right, decrease volume - turn left.
6.6 [DI] Port
Instrument input port, please use audio cable to connect guitar or other instruments.
6.7 [Panic] Button
When there is abnormal sound or continuous sound inside the PianoBox Pro Host,
please press this button to eliminate all sounds.
6.8 [USB Host] Port
Use USB cable to connect to the external MIDI keyboard. This port provides 5V
power supply, which is suitable for supplying power to the external MIDI keyboard.
At this time, PianoBox Pro Host acts as a host audio source box.
6.9 USB Host connection indicator
When the USB Host port of the PianoBox Pro Host is not connected to an external
MIDI device, this indicator is red; When the USB Host port of the PianoBox Pro Host
is connected to an external MIDI device, this indicator appears green.
6.10 Power switch
When the [USB 5V Power] port of the PianoBox Pro Host is connected to the power
line, please move the power switch to the ON position to indicate that the power is
turned on; Fluctuation to OFF indicates shutdown.
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