Sony RDR-GX330 Operating Instructions Manual page 38

"_° Hint
By reformatting, you can chmge the recording
format on DVD-RWs, or record again on DVD-
RWs that have b_:_:n finalized.
Note
On this model, 1 (-;B (reid "gigabyte") is equivalent
to 1 billion bytes. The larger the nun/ber, the larger
the disc space.
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