Panasonic CF-VEBC21U Instructions D'utilisation page 16

Specifications
If an unbalanced disc (e.g., a disc with which the balance has been displaced from the center) is inserted, the
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speed may become slower if there are large vibrations while the disc is rotating.
Depending on the disc, the writing speed may become slower.
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1 GB = 1,000,000,000 bytes. Your operating system or some application software will report as fewer GB.
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Does not support DVD-RW Ver.1.0.
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DVD-RAM: Only non-cartridge type or removable cartridge type can be used.
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1 MB = 1,048,576 bytes.
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