Yamaha 02R Version 2 Manual page 67

Secondary Recording Tutorial 61
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 dynamics program is stored.
Note: If you decide you do not like a dynamics 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
dynamics program.
YOU SHOULD ALWAYS BE CAREFUL WHEN THE 02R DISPLAYS A
CONFIRMATION DIALOG BOX!
02R Getting Started Guide