Vizio SB4021EB0 Speaker User Manual


 
USB - Input 4*
Optical - Input 3*
AUX - Input 2
AUX - Input 1
Indicator LEDs flash according
to input selection:
LED Indicators located here:
*Rapid flash indicates incompatible source or file format. If there is no sound output, see Help & Troubleshooting page.
INDICATOR LEDS