Yamaha DME Designer Owner's Manual page 269

Buttons
There are several types of buttons.
Switches between ON/OFF. When turned on, the button lights up. The color depends on the
button's function.
In button sets of this type, you can select one of several buttons. When you do all other buttons in
the set turn off.
Click here to execute a command.
Displays a menu.
When turned ON When turned OFF
Chapter 5 Components
Click this button
to switch all channels
in the block.
DME Designer Owner's Manual 269