Yamaha O2R Owner's Manual page 43

34 Introductory Recording Tutorial
02R Getting Started Guide
CANCEL is the default. To cancel the STORE operation, either press the
[ENTER] button or wait about 10 seconds—the STORE operation will be
automatically cancelled.
To store your settings, use the CURSOR buttons to select the "EXECUTE"
icon and press the [ENTER] button. The EQ program is stored.
Note: If you decide you don't like an EQ program after you have stored it, it is
very easy to overwrite it by creating new settings and storing them to the same
location. Conversely, it is also very easy to accidentally overwrite a valued EQ
program.
YOU SHOULD ALWAYS BE CAREFUL WHEN THE 02R DISPLAYS A
CONFIRMATION DIALOG BOX!