4 

 

Features 

 

Front Panel 

 

1.

 

LED Screen: 

The

 

Oxygen 25 features a 3-digit LED display providing visual information regarding current 

operation, programing and controller status.

 

2.

 

Function Buttons: 

The

 

Oxygen 25 features function buttons for programming, access to settings and advanced 

features. 

 

3.

 

Slider: 

Sends different types of standard MIDI CC messages or advanced MIDI messages based on the 

assigned parameter or the active preset. 

 

4.

 

Knobs: 

Sends various MIDI messages when turned. Each knob can be individually assigned to a different MIDI 

parameter. 

 

5.

 

Pads: 

Press these velocity-sensitive pads to send Note On/Off and velocity data when performing.

 

To change 

the pad octave assignment, hold down the Shift and the + or - octave button. These changes affect all eight pads 
globally. To transpose from the default pad assignments, hold down the Shift and Select button and press the + 
or - octave buttons. To reset the pads to the default factory assignments, hold down the Shift and both octave 
buttons.    

 

6.

 

Transport Buttons: 

These buttons send standard MIDI CC, MIDI note, MMC (MIDI Machine Control) or other 

advanced MIDI messages based on the parameter they are assigned to or the active preset. 

 

7.

 

Velocity-Sensitive Keyboard: 

The velocity-sensitive keyboard is not only the primary method of sending Note 

On/Off and velocity data when performing, it is also used to access extended programing functions listed along 
its upper edge. 

 

8.

 

Octave Buttons: 

The Octave buttons are used to shift the keyboard’s octave range up or down in one octave 

increments, extending the octave range of the pads or keys. To learn more about additional features, please see 
the full User Guide available at 

m-audio.com/oxygen25

.

 

9.

 

Pitch Bend Wheel: 

The assignable pitch bend wheel is primarily used to bend the notes played on the keyboard 

up or down.

 

You can assign other functions to the Pitch Bend wheel in Edit Mode. To learn more about this, 

please see the full User Guide, available at 

m-audio.com/oxygen25

.

 

10.

 

Modulation Wheel: 

This wheel is used to add expression to performances by changing the intensity of certain 

effects. Rolling the Modulation Wheel upward will increase the modulation effect, while rolling downward will 
reduce the effect. You can assign other functions to the Modulation Wheel in Edit Mode. To learn more about 
this, please see the full User Guide, available at 

m-audio.com/oxygen25

.

  

 

 

Rear Panel 

 

1.

 

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.

 

2.

 

Sustain Pedal Input: 

This

 

input accepts a momentary-contact 

foot pedal (not included). When pressed, this pedal will sustain 
the

 

sound you are playing without having to keep your fingers 

pressing down on the keys.

 

3.

 

On/Off Switch: 

Use this switch to power the device on or off. When this switch is set to the “on” position, 

Oxygen 25 is powered through

 

the USB connection to your computer.

 

4.

 

Kensington Lock Connector: 

This connector is compatible with standard laptop-style Kensington

 

security 

cables for theft protection.

 

  
 
 
 

GLOBAL

SHIFT

OCTAVE

PITCH

C15

MOD

C16

EDIT

SELECT

AUTO

C9

C10

C11

C1

C2

C3

C4

C5

C6

C7

C8

C12

C13

C14

AUTO

POWER

PGM

PRESETS

1

2

3

4

5

6

7

8

CTRL

SEL

CTRL

ASGN

CHAN
ASGN

GLOBAL

CHAN

DATA 1

DATA 2

DATA 3

PROG

BANK

LSB

BANK

MSB

VEL

CURVE

MEM

DUMP

STORE

0

1

2

3

4

5

6

7

8

9

ENTER

PANIC

1

2

3

4

5

6

7

8

9

10

10

1 2 3 4

USB

SUSTAIN

C17

POWER

ON        OFF

1

2

3

4

5

6

7

8

9

10

1 2 3 4