Front and rear panels
This slider adjusts the volume of the AUDIO OUTPUT
L/MONO, R outputs, as well as the volume of the
headphone jack. (See page 23)
2. SW1, 2 and Joystick
SW1 and SW2
These switches are used to control the programs or
effect parameters, or to turn the joystick lock function
on/off. (See page 19)
You can control synthesis parameters or effect
parameters by moving the joystick up/down/left/
right. (See page 19)
3. Control Surface
The control surface consists of the four knobs located
to the left of the display, the three REALTIME
CONTROL, EXTERNAL, and ARP switches, and the
RESET CONTROLS switch that resets the function of
You can use these as realtime controllers to modify the
sound, as external controllers to transmit MIDI
messages to an external MIDI device, or to control the
As explained below, you can use the front panel
CONTROL ASSIGN switches to switch between the
various control surface functions. You can also view
and edit the control surface settings in the display (P0–
8: Control Surface page in each mode).
Front and rear panels Front panel
* The diagram shown is for M50-61
The functions of these four knobs will change based on
the REALTIME CONTROL, EXTERNAL, and ARP
switches, as described below.
For more details, please see "Control Surface knobs"
on page 20.
REALTIME CONTROL switch
When you press this switch, knobs 1–4 will modify the
sound and effects. You can press this switch repeatedly
to cycle between different control functions. (See
page 20, and page 30)
When you press this switch, knobs 1–4 and chord
trigger switches 1–4 will transmit MIDI messages to an
external MIDI device. You can press this switch
repeatedly to cycle between different control functions.
(See page 85, and PG page 224)
When you press this switch, knobs 1–4 will control the
arpeggiator settings. (See page 73)
RESET CONTROLS switch
This resets the controllers of the control surface,
returning them to the saved values or default values.
For details, please see "Resetting the controller
settings" on page 21.