To use the TV sensor, follow these steps:
Connect the TV sensor to the TV Sensor jack on the media console connection panel. (On the panel, the TV Sensor jack is immediately above two other jacks of the same type: the IR Emitter and Serial Data jacks)
Turn the TV on and select the correct video input
on the remote, press system
press the right arrow until the "video" icon is highlighted, and then press enter
press the down arrow until "tv power status" is highlighted
Move the flat side of the TV sensor slowly around the back of the TV until TV Power Status indicates: "TV On"
Attach the TV sensor to this location with the adhesive strip provided
press the up arrow until "tv power" is highlighted, and press enter
press the down arrow until "automatic" is highlighted and press enter
press exit to leave the system menu