KORG MP-10 PRO - Manual (Page 25)

The display and the user interface 21
Scrolling lists and selecting items
When a list (for example, of Songs) is shown on the display, use the DIAL,
the UP and DOWN buttons, or the scrollbars to the side of the list to scroll it .
When you see the item that you are looking for, touch it, and press the OK
button to select it .
Scrollbar
Selected item
Selecting and editing parameters
To select a parameter that’s shown on the screen, you should simply touch it .
Then, depending on the type of parameter, you can edit it by dragging, or by
using the DIAL or the UP/DOWN buttons . When touched a second time, some
parameters open the virtual alphanumeric keyboard or the numeric keypad, or
can be edited by using a connected PC keyboard (as explained later on) .