Panasonic Lumix DMC-ZR3 Operating Instructions Manual page 346

Writing to a memory card or DVD (AVCHD format/DVD-Video format)
Disc format
A DVD must be formatted in the following cases.
- When the DVD-RAM to be used for recording data is not formatted in the UDF 2.5 format, or is new.
- When you want to record data onto a used DVD-RAM/RW.
(However, data can be additionally recorded to DVD-RAM if the content already recorded is in the AVCHD standard.)
Important
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Formatting will delete all existing data on the disc. Since the format process cannot be canceled, be careful and confirm the contents of the disc.
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When recording the data in AVCHD standard to a DVD with this software, the disc must be formatted by this software. The format tool that comes
with the DVD drive may not support the AVCHD standard.
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If you cannot format the disc, change the Auto Protect Setting to on or cancel the setting with the device that set the protection. (If a disc has the
Auto Protect Setting enabled, format will clear the Auto Protect Setting.)
Editing AVCHD/AVCHD Lite or MPEG2 motion pictures/copying to media
1
Click [Initialize] in the selection window
for the copy destination drive (→111).
The [Disc initializing tool] screen is displayed.
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You can also display it by clicking [Initialize] in the top menu
creation window (→112).
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