1NF1 Output 1 from LIMEX MIDI/MICROPHONE System. 2NF2 Output 2 from LIMEX MIDI/MICROPHONE System. 3NF3 Output 3 from LIMEX MIDI/MICROPHONE System. This output depends on the instrument routing. 4MONO MONO-Output from all LIMEX MIDI/MICROPHONE Signals. Is useful if, for example, only one input is available on a mixing console. 5USB-Port With this USB port, a LIMEX MIDI system can be connected to a computer or tablet. This makes it possible to transfer MIDI signals between the LIMEX MIDI system MPRX and a computer or tablet. A data transfer is indicated by the blueUSB - LED. 6MIDI OUT MONO-Output. The MIDI signals, which come either from the LIMEX MIDI system MPRX or from the computer/tablet, are output here. 7DC IN 9V Connection of a LIMEX power supply with 9 volts. This also supplies the LIMEX MIDI/MICROPHONE system. 8PEDAL Connection for a LIMEX foot pedal. A data transfer is indicated by the redPEDAL - LED. 9INSTRUMENT 6-pin DIN connector for a LIMEX MIDI/MICROPHONE system. A data transfer is indicated by the green MIDI - LED.