TCL Q6510 - Optical Connection; Connecting via Optical Cable; Optical Cable Handling Warning

AC~IN
Connect the Sound Bar to the TV with an
Optical cable.
Connect the Sound Bar to the power supply with
the included power cord.
Warning:
Do not bend or kink the optical cable (SPDIF) as it
is fragile and can easily get damaged and broken.
7b
Optical
AC~IN OPTICAL USB HDMI (ARC) AUX