To access CAS Menu:

Press Menu button, select system settings, toggle down and select Hot Key.

Left/Right arrow to select CA System

Down arrow to go to Provider name selection

Left/Right arrow to select provider

Press BLUE button on RCU to set default keys

exit to programming

To Set keys:

Press Menu button, select system settings, toggle down and select Hot Key.

left/Right arrow to select CA System

Down arrow to go to Provider name selection

left/right arrow to select provider

press OK to bring up that providers full sets of keys

Leave it on the 1st line or scroll to keys which you want to change

Press BLUE Blue Button to change keys

The Input Value screen pops up

At the top, the first character of the key string is highlighted

Below that is a alpha-numeric pad

Select first new character

Press OK on the RCU

At top, highlighted character moves one character to the left

Select next character and press OK on the RCU, and so on, and so on, until full key data is entered

select the on-screen Done key and press OK on the RCU

down/up arrow to select next line of key data, and press Blue button ... Done, then OK when finished

Press RED button to save new keys data

Note: Press the Back RCU button at any time to back out of a menu.