Rear Panel

1.Power Switch: The Power Switch turns on the M-Audio Ozone. You probably figured that one out for yourself.

2.Power Jack: This jack is used to connect the keyboard to the supplied 9VAC 1000mA “wall-wart” type power supply.

3.USB Port: This USB connector jack is used to connect the M-Audio Ozone to the computer’s USB port using a standard USB cable (included).

4.MIDI Out Jack, USB:This standard MIDI jack receives its source from the computer when software’s set to M-Audio Ozone MIDI Out - & is used to send MIDI messages to other MIDI instruments (such as a sound module).

5.MIDI Out Jack, Keyboard:This standard MIDI jack is a direct MIDI out from the keyboard in “standalone” mode (independent of the computer), and is used to send MIDI messages to another MIDI instrument (such as sound module).

6.Sustain Jack:This jack allows you to connect an optional footswitch to the keyboard. When the footswitch is depressed, MIDI controller “pedal sustain” information is sent from the M-Audio Ozone, while notes played on the keyboard will continuously sound as long as the footswitch is held.

7.Headphone Out: This jack is a 1/4” TRS stereo headphone output which plays the same signal as the main outputs. Headphone Out level is controlled by the Headphone Level control.

8.Outputs 1 and 2: These are the main stereo audio outputs of the M-Audio Ozone. This signal includes the stereo output from the computer (via the USB cable), the Aux Input (when in Monitor mode), and the Direct Monitor signals all mixed together.

9.Aux Input Monitor/Record switch:When this switch is set to Monitor, the Aux Inputs are sent directly to the M-Audio Ozone’s Outputs 1 and 2, while Mic In (Channel 1) and Instrument In (Channel 2) are being sent to the computer and also to the Direct Monitor circuitry. When this switch is set to “Record,” the Mic In (Channel 1) and Instrument In (Channel 2) are switched off (defeated), and the Aux Inputs are passed to your computer and to the Direct Monitor circuitry.

10.Aux Input:This is a stereo 1/4” TRS jack for the two (L/R) Aux Inputs. The Monitor/Record mode switch will determine its signal path.

11.Instrument In (Channel 2): This is a 1/4” TRS Balanced input for instrument or line level signals. The Instrument In’s preamp gain is controlled by the top panel “Inst Gain” control. This Channel is defeated if the Aux Input is plugged in, and the Monitor/Record button is pressed to the “Record” position.