Boss Drive Zone OD-20 Owner's Manual page 13

4. Press the MEMORY SELECT button to select the memory (number) to which
you want to store the sound.
The indicator for the selected MEMORY number blinks.
fig.17
Blink
5. Press the MEMORY WRITE button.
The write operation finishes after the MEMORY indicator and the indicator for the
write-destination memory have begun to blink more rapidly.
fig.18
Blink
* To cancel the write operation, operate a knob or the MANUAL/MEMORY pedal before
you press the WRITE button. And the OD-20 is returned to the status in effect in Step 2.
Blink
Writing
Blink rapidly
Operation
Write finished
Lit
13