M-Audio 88 manual Expression Pedal Input, Midi Out Port, USB Port

Oxygen Series User Guide  11

16.Expression Pedal Input:

This socket accepts a standard expression pedal such as EX-P for adding expressive changes during performances.

17.MIDI Out Port:

This standard 5-pin MIDI connector transmits MIDI data to any compatible device such as a synthesizer, sound module, or drum machine.

18.USB Port:

The USB 2.0 port (backward compatible with USB 1.1) delivers power to the keyboard and transmits MIDI data when connected to a computer.