FW009 - DC172 FW Update Manual
4. Power on the unit and access the Service Menu.
Press “Enter” then “ZOOM+” in sequence and hold both buttons in a second to call
the Service Menu.
5. Select [ISP] => [Firmware Upgrade] and press [Enter].
6. FW starts upgrading. (around 30sec – 1min taken)
*Note:Please do not stop the upgrade process which may cause the unit not work.