This function is only available for models with a micro SD slot.
Go to System Storage to go to the interface shown below.
SD Card
When the card is used for the first time, click the "Format" button to format the SD card. All data on the card will be cleared by clicking this button.
Click the "Eject" button to stop writing data to the SD card. Then the SD card can be ejected safely.
Recording Settings
1. Go to the Record tab to go to the interface shown below.