Panasonic Lumix S1H Operating Instructions Manual page 94

4. Image Recording
Each folder can store up to 1000 files.
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File numbers are assigned sequentially from 0001 to 9999 in the order of
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recording.
If you change the storage folder, a number continuing on from the last file
number will be assigned.
In the following cases, a new folder with an incremented folder number will be
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created automatically when the next file is saved:
– The number of files in the current folder reaches 1000.
– The file number reaches 9999.
New folders cannot be created when there are folders numbered from 100 all
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the way up to 999.
We recommend backing up your data and formatting the card.
[Select Folder] is not available when [Backup Rec] in [Double Card Slot
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Function] is being used.
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