You need the latest underworld file, just type underworld189 into a search engine and you will soon find it.
To program the cam you need to first download Cas Interface Studio 8.7 and set up your CAS programmer, if you already have you Cas programmer set up then download underworld 189, unrar, or unzip, it and place underworld189.dup on your computer desktop.
Also look for the latest Diablo keys.bin file, at the same place as you locate underworld189, download this and place it on your computer desktop.
Next insert you Diablo Cam into your Cas programmer.
Start up the Cas Studio software, click on the Cam module tab, and the two Diablo Cam icons, not the Diablo2cam icon.
Click on the little icon, with 3 dots, at the end of the file address bar, navigate to underworld189.dup, and click open.
The green light should now be showing on the Start Update icon, click this and wait for it to load.
Once complete click on the Cam File system tab, second from the left at the top.
Click on Connect.
In the right hand pane you will see the current files stored on your Cam.
In the bottom left hand pane locate the new keys.bin file you have downloaded.
Click on this, to highlight it, and then click on the green arrow pointing right.
Click Yse to overwrite the old one, it only takes a second.
Once complete exit the program and insert your cam in your receiver.
Now all you need to do is turn Emulators to ON in the configuration menu.
Enter the Cams menu, using your receivers options, and enter underworld 189.
Now enter the Configuration folder, and select Emulators, once this is turned ON exit and you should be able to open the available channels.