LG S77S - Function Input Modes

16
Function
1
2
3
OPTICAL/HDMI ARC
LED1 lights up white.
1
2
3
Bluetooth ready
LED2 blinks blue.
1
2
3
Bluetooth
LED2 lights up blue.
1
2
3
HDMI IN
LED3 lights up white.
1
2
3
USB
LED3 lights up purple.