Sony DCR-HC1000 - Manual (Page 66)

Using the Menu 66
REC FOLDER
As the default setting, pictures are saved in the 101MSDCF folder. You can select
a folder to save your pictures. Create new folders from the [NEW FOLDER]
menu, then select the folder to be used for recording with
/ and touch .
When you have a lot of pictures, you can search for the desired picture easily when
you sort them in folders.
PB FOLDER
Select the playback folder with / , then touch .