Boss RC-10R Owner's Manual page 19

3.
Turn the [VALUE] knob to select the phrase
memory that you want to delete, and then
press the [VALUE] knob to confirm.
If you decide to cancel, press the [EXIT] button.
4.
Turn the [VALUE] knob to select "YES," and then
press the [VALUE] knob.
The phrase is deleted.
NOTE
5 Never turn off the power while "EXECUTING... " is shown.
Doing so might cause all saved data to be lost.
Basic Operation
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