Tone screen
This is the screen that appears when you start up the RD-800 or 
when you press a TONE button.
Currently selected rhythm 
or song
Tone name
Layer
Tone number
Navigating among items to be set (cursor)
When more than one parameter is present in a screen, the name 
and value of the parameter to be changed is shown with a box 
around it. This box is referred to as the “cursor.” The cursor is moved 
with the Cursor [H] [I] [K] [J] buttons.
Cursor button
Cursor
Live Set screen
This is the screen that appears when you press a LIVE SET button.
Currently selected rhythm 
or song
Tone name
Live set name
Key regions that 
can be played 
by each layer are 
highlighted.
Layers that are 
turned on are 
highlighted.
Live Set bank/
number
When changing settings values, you can use the [DEC] and [INC] 
buttons, value dial, or the TONE buttons (numeric keys).
Cursor
Value 
dial
[DEC] button, [INC] button
Pressing the [INC] button increases the value, and the [DEC] button 
decreases it.
Purpose Panel operation
To continuously 
change the value
Hold down the [DEC] button or [INC] button.
To rapidly change 
the value
While holding down the [INC] button, press the 
[DEC] button.
While holding down the [DEC] button, press the 
[INC] button.
To set the item to its 
default value
Press the [DEC] button and [INC] button simultane-
ously.
Basic Operation
VALUE dial
Turn the dial clockwise to increase the value, or counterclockwise to 
decrease the value.
TONE buttons ( numeric keys)
For some settings, you can use the TONE buttons as a numeric 
keypad of [0]–[9] buttons to specify a numeric value directly.
When you enter the number, the value will blink. This indicates that 
the value has not yet been nalized. To nalize the value, press the 
[ENTER] button.
Knob and slider operations
When you use a knob or slider to modify a setting, the modied 
parameter and its value appears in a popup screen.
This screen will automatically close after a time.
Parameter
Value
The layer that can be 
controlled by the knobs 
and sliders is highlighted.
Editing a value
*  Illustrations and screen shots included in this document are for the purposes of explaining the functions and operation; they may dier slightly from what 
you actually see on your instrument.
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