How to reset the ERT-805 back to factory default?

To reset the ERT-805 to factory default, please find the following steps:
1. Well connect the console port of the router to a PC through the console cable.
[By default, the baudrate will be 9600,n, 8, 1]

2. Power on the router.

3. At the moment of the router power up, press the key "CTL+Shift+6" to go into the router's loader mode.

4. Press 9 "Erase IOS Parameter" and follow with "y" for yes.

5. Press 3 "Restart System"

Then, the router will goes back to the default setting.