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You need to know the EFC (Extended Function Code) for the Sleep function on your TV. I can't tell you what this code is, because it's very different per TV manufacturer. I will tell you my SAMSUNG Plasma TV's EFC Codes for certain functions that I use are:00022 - Zoom00213 - PIP on/off00151 - PIP Ch Up00155 - PIP Ch Down00187 - Sleep timer On Comcast Red OK button remote to make TV functions work even when on Cable mode.Press CablePush and hold setup until the light blinks twicePress 9 9 4Press TVPress SetupPress EFC Code ie) 00187 for Sleep timer codePress CablePress Button you want to activate that EFC code. If you want to have to push TV on the remote first, then the button, you would program it only to the "TV" device:Push TVPush and hold setup until the light blinks twicePush 9 9 4Push setupEnter the 5 digit EFC codeLastly press the button on the remote that you want to assign that code to.To get EFC Codes, the best thing to do is a Google search. I've found them on forums from
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