JVC GZ-MG730 Manual Book page 68

Changing the Menu Settings
BASIC SETTINGS
2
FORMAT HDD
This will ensure stable speeds and
operation when accessing the hard
disk drive.
1
CLEAN-UP HDD
Writing speed to HDD tends to
become slow after long periods
of repeated use. Execute cleanup
periodically to regain the writing
speed.
0
DELETE DATA ON HDD
This will make it more difficult to
recover data on the HDD which
has already been erased. It is
recommended that you activate
this function when disposing of
the camera to prevent illegal data
recovery (using commercially
available software).

Menus
(Continued)
Settings: [ ] = Factory-preset
Select [BASIC SETTINGS], then select sub-menus.
[FILE]: Initialises all files in the hard disk drive.
FILE + MANAGEMENT NO: Initialises all files and
management numbers in the hard disk drive.
YES: Performs cleanup.
NO: Cancels the function.
NOTE
Even if you select [YES], you can stop the process by
selecting [STOP].
YES: Deletes data on HDD.
NO: Cancels the function.
NOTE
Even if you select [YES], you can stop the process by
selecting [STOP].