For the device to be protected by a system password, do the following steps:
1. Use UP and DOWN button to find the "Password Set" option and press LEFT and RIGHT button to choose either "On" or "Off".
2. Once the function is turned on, press OK and set the password.
3. Use the LEFT and RIGHT button to alternate between each data slot.
4. Use UP and DOWN button to change the number. Press OK to confirm the changes and press MENU to exit.