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- Make sure that the TV is set up for 3D TV viewing .
- If using a 3D-Ready TV with an optional 3D transmitter, make sure that it is connected securely to the TV. (If using a 3D TV with a built-in transmitter, proceed to step 3.)
- Turn on the TV and begin playing 3D content.
- Using a digital camera or camera phone, point it at the 3D transmitter. If the transmitter is emitting a signal, lights from the transmitter will be seen on the camera LCD.