KORG D4 - Manual (Page 92)

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→ This will appear after the “CardFull” warning has
appeared. If you select “Yes,” you will be unable to
Undo, but the recording you just made will be saved.
If you select “No,” the recording will be discarded and
not saved to the card.
Wr?>STOP
In Effect mode, writing is not possible since the
recorder is running.
→ Press the [STOP] key to stop the recorder, and then
write the data.