119Disk managementStep 1Display the top page of the operation window.(☞ Page 77)Step 2Click the [Setup] button.→ The setup menu will be displayed.Step 3Click the [Maintenance] button.→ The [Product information] tab of "Maintenance" ofthe setup menu will be displayed.Step 4Click the [Disk] tab.→ The [Disk] tab will be displayed.On the [Disk] tab of "Maintenance" of the setup menu, it is possible to perform operation relating to the harddisk drives in the recorder or in an optional extension unit, DVD and SDHC/SD memory card.The following are descriptions of how to delete images recorded on the hard disk drives and of how to format(initialize) a DVD or an SDHC/SD memory card from a PC.Delete images recorded on the hard disk drives manuallyThe following are descriptions of how to manually delete images recorded in the normal recording area and theevent recording area on the hard disk drives in the recorder.By designating a time and date, all the images recorded until the day before the designated time and date willbe deleted. It is useful to delete unnecessary images.Important:• Note that the deleted images cannot be recovered and the remaining disk capacity will not increase eventhough deletion is performed.Note:• It is possible to delete recorded images automatically when the set days have passed from the day theimage was recorded (HDD auto deletion). Refer to the Installation Guide for further information.