Panasonic Palmcorder VDR-D100 Operating Instructions Manual page 80

Editing still pictures (VDR-D200 only)
To complete editing
Press the MENU button.
∫ Deleting still picture files recorded on an SD card by other products
A still picture file (other than JPEG) that cannot be played back on this unit may be erased.
≥ In case of [ALL], the deletion may take time if there
are many files on the SD card.
≥ Do not turn off this unit while deleting.
≥ When you delete files, use a battery with sufficient
battery power or use the AC adaptor.
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≥ Do not remove the SD card while deleting.
≥ If files conforming to DCF standard are deleted, all
the data related to the files will be deleted.