Entering "codes k*ys" on SL 20000... While on any channel, hit "0" on the remote control. The CAS systems will pop up. Select the CAS you want to edit and enter the new keys. Instructions for hex "letters" are at the bottom of the screen. Example, the top buttons on your remote are a, b, c, d...
Now that we've covered that, does anybody know how I can ADD CAS Systems to the SL 20000?