1. Turn off the CWR
2. Set DIP switches (on the bottom side of the panel PC) as follows: 1-ON, 2-ON, 3-OFF.
3. Connect the CWR's USB DEVICE port to a Windows PC via a USB cable.
4. Turn on the CWR. Check Windows PC's Device Manager and verify that it is enumerated as “Telechips TCC893x VTC USB Driver”. If it is not, install the driver.
5. Run the FWDN_V7_v2.30.exe utility
6. On the “Default” tab, drag the tcboot.rom and nk_comp.rom files to the file list.
7. Be sure the “Default download” option is selected in the bottom right dropdown list.
8. Press the “Start” button and wait for it to complete.
9. Turn off the CWR, set the DIP switches to all OFF, and then power on the CWR again.

The following video provides a demonstration of the above process: