1. Function Description
<center></center>
<p><strong>① Smart foot switches:</strong> 6 MIDI foot switches with LED indicator A, B, C, D, E, F; When the foot switch is pressed, the corresponding LED lights up and Pro sends MIDI commands outward. You can specify any features that you want to control via MIDI in software effects. For more details, please refer to the MIDI chapter below.</p>
<p><strong>② Working mode indicator:</strong> If Pro is to work normally, this indicator must light up, otherwise it will not enter the normal working condition. This indicator lights up when the smart device is connected. At the same time, the indicator has 3 light colors: green, blue and red, indicating that they are in different MIDI command groups. For more details, please refer to the MIDI chapter below.</p>
<p><strong>③ Output volume control:</strong> This knob controls the output master volume, including stereo line, XLR, and headphone output. </p>
<p><strong>④ HW monitor indicator:</strong> This indicator lights up when the hardware monitor function is on. Long press the E foot switch to turn on/off the hardware monitor function.</p>
<p><strong>⑤ Phantom power indicator: </strong>This indicator lights up when the phantom power is on. Long press the F foot switch to turn on/off the phantom power.</p>
<p><strong>⑥ Preamp gain control: </strong>This knob is used to adjust the gain of the microphone preamp and only acts on the INR input. The gain range is 4 ~ 50dB.</p>
<p><strong>⑦ Clip Indicator:</strong> This indicator lights up when the input signal amplitude exceeds the limit. Only acts on the INR input.
</P></p>
<center></center>
<p><strong>① Guitar and line input:</strong> Specialized input interface for guitar, bass, it is left channel. The interface does not pass any preamp, ensuring pure clear sound. This also means that the interface can be used for line input.</p>
<p><strong>② Expression pedal input:</strong> This interface can be connected to the expression pedal using the TRS cable. You can specify any desired expression control in software effects. For more details, please refer to the MIDI chapter below.</p>
<p><strong>③ Microphone Input:</strong> Specialized interface for microphone input, it is right channel. The interface provides 4~50dB preamp and 48V phantom power, support dynamic or condenser microphone.</p>
<p><strong>④ Auxiliary power input:</strong> Usually not connected. Connect the 9V DC adaptor, then Pro will stop taking power from the USB interface.</p>
<p><strong>⑤ USB interface:</strong> Used to connect iPhone, iPad, PC, Mac. Pro can be powered directly by these devices. Use the USB cable to connect to your PC or Mac; use the OTG cable + USB cable to connect to your iPhone or iPad.</p>
<p><strong>⑥ MIDI IN/OUT:</strong> MIDI IN can be used to connect MIDI keyboards or other MIDI control devices. The command received by the MIDI IN will be forwarded to MIDI OUT and USB in real time. MIDI OUT can be connected to MIDI controlled devices such as KPA, AXE, etc.</p>
<p><strong>⑦ Headphone output:</strong> Used to connect headphones, support low and high impedance headphones.</p>
<p><strong>⑧ Balanced Output:</strong> For long-distance anti-jamming transmission with ground switch. Professional audio equipment such as mixers can be connected. Toggle the ground switch to eliminate noise caused by long-distance transmission.</p>
<p><strong>⑨ Stereo line output:</strong> Unbalanced stereo line output for connecting monitors, guitar amps, mixers, etc.</p>