This manual is written only about the function added by JJ OS.
Please refer to the manual of AKAI for the basic function of MPC.

When you change OS, please switch on a power supply, pressing the ERASE button first.
Please press the ERASE button until a main screen is displayed.
If this operation is not performed, MPC may freeze or it may crash.

Notes
Please be sure to carry out contrast adjustment of LCD, and sensitivity adjustment of PAD first.

The contrast of LCD should turn a DATA wheel, pressing the [STOP] button.
Moreover, if a DATA wheel is turned pressing [SHIFT] or the [TAP TEMPO] button,
change of a value will increase 10 times.

When [FULL LEVEL] button is ON (the LED is lit), the velocity of MIDI IN NOTE is also set to FULL LEVEL.

NOTE REPEAT does not work to NOTE from the outside.

The data of 16 LEVELS of AKAI OS, OS1, and OS2 is not reflected.
Moreover, 16 levels made with XL do not work in AKAI OS, OS1, and OS2

An audio track is skipped when a track is changed during the recording of a sequence.
The type of a track cannot be changed during playback or recording. (Also in a grid, it is the same)

Important

Adjustment of pads sensitivity

Name edit

Splash Screens (OS-XL)

Splash Screens (OS128SP)

Main Screen

Basic operation in a main screen

Relation between a pad number and a note number

Grid

Simult Sequence

Output Midi Program Change

Pad Mode

Setting of pads to midi note out

Q-link of a main screen

Real Time Pitch Shift

Audio track

Chord

Arpeggiator

Loop setting of a sequence

Wait for key

Sequence List

Track List

Program List

Sample List

Rearranging the sequences

Movement of pad events

Customize of [MAIN] and numeric button


Selecting a tempo source (master tempo)

Behavior selection of next sequence

Customizable Click/Metronome Sounds (Adjustment of level and selection of OUT are also possible)

5 tracks display mode (OS128SP is 14 tracks)

PATTERN

Registration of patterns

Pattern Bank

Creation of a pattern track

Next Pattern

Pad status display mode

GRID EDIT

DRUM

Line Pattern (Only OS-XL)

MIDI

CHORD

ARPEGGIATOR

AUDIO

SONG

Mix down (A sequence is converted to WAVE)

Global Program Edit

[DRUM Program]

Basic operation

A program and samples are packed and it is made one file.

Copy Pad

SAMPLE
Sample Layer Crossfade
Auto-Chromattc Assignment
PURGE (Delete all the unused samples at the same time)


AMP

FILTER

PITCH

LFO

MUTE / Simult Pad / CYCLE

OUT / FX (OS-XL)

OUT / FX (OS128SP)

[INST Program]

SAMPLE

AMP

FILTER

PITCH / Portamento

LFO

OUT / FX (OS-XL)

OUT / FX (OS128SP)

The value of the parameter of an effect is controllable by a MIDI controller (Only OS2XL)

NEXT SEQ

Program is switched by hitting the pads

TRACK MUTE

Pad mute

TRIM

Non-Destructive Chop

RECORD (OS-XL)

RECORD (OS128SP)

SLIDER

MIXER (OS-XL)

MIXER (OS128SP)

TRACK MIXER (OS-XL)

TRACK MIXER (OS128SP)

Pan and level of a mixer are controlled by a MIDI controller (OS-XL)

Pan and level of a Pad mixer are controllable by a MIDI controller (OS128SP)

Input thru

MIDI/SYNC

Multi timbre

Pitch Bend Sensitivity (Variable range of Pitch Bend)

Midi in monitor

A function is assigned to MIDI NOTE/CC (MPC is operated by a MIDI controller)

MMC - MTC - CLOCK

Save / Load / Auto Load / Format

Setups of a system is saved to a file.

Recording from CD

OTHER

Voice monitor

Looping recorder

Other functions

The value of FULL LEVEL can be adjusted.

Hold (Step Edit)

Strength (Timing Correct)

Function of tap tempo is assigned to a pad

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