SN502-4CH 29MAIN MENUHDD FormatFormatting the HDD erases all recorded video and audio on your hard disk drive. Formatting will not erase any ofyour custom settings on your DVR.To Format the HDD:1. Highlight the “Format HDD” button and press “select”.2. A screen will come up asking you if you are sure you want to format everything on your HDD.3. Select “OK” to format the HDD or “Cancel” to prevent formatting.4. It may take a few minutes to format the HDD. Formatting cannot be stopped halfway through.5. Once formatting has completed a screen will come up and let you know that the HDD has formatted successfully.6. Select “OK” then, exit the menu and the DVR will restart.• Formatting HDD does not change any settings, it only erases all your recorded footage.USB FormatUSB format erases anything you have stored on your USB device. Before formatting, make sure your USB device isconnected to the bottom USB port on the back of the DVR.To Format the attached USB drive:1. Highlight and select the “USB Format” button.2. A screen will come up asking if you are sure you want to format your USB device.3. Select “OK” to format the USB or “cancel” to prevent formatting.4. It may take a few minutes to format the attached USB. Do not remove the USB drive during this time.5. Once formatting has completed a screen will come up and let you know that the USB has formatted successfully.6. Select “OK” and you will have successfully formatted the attached USB drive.HDD and USB format buttonsWarning Screen