TCL S643W, User Manual

Page: 21 / 36

20
Connect with the optical cable
1 Remove the protective caps from the optical cable when
necessary.
2 Connect one end of the optical cable to the optical input
connector on your Soundbar and another end to the
optical output connector of your TV or device.
Note
• If there is no sound output from the Soundbar, try to
activate the PCM signal output on your TV or device.
PCM is used to convert analog audio signals into digital
audio signals in most devices. For more information of
how to activate the PCM signal output, check the user
manual of your TV or device.