Vizio SB4021E-A0 SB4021E-A0 Quick Start Guide - Page 12

USING THE REMOTE Power Press to turn on or off. Play/Pause/Mute Press to play/pause. Press to mute. Fast Rewind/Back/SUB Press and hold to fast rewind. (USB Mode) Press to return to previous track. (USB Mode) Press to decrease subwoofer volume. SRS TruVolume Press to enable/disable SRS TruVolume. Input Press to change input source. SUB - MUTE SUB + SRS TVOL SRS TSHD Volume Up Press to increase volume. Fast Forward/Next/SUB + Press and hold to fast forward. (USB Mode) Press to advance to next track. (USB Mode) Press to increase subwoofer volume. Volume Down Press to decrease volume. SRS TruSurround HD Press to enable/disable SRS TruSurround HD. When using the remote, point it at the center of the Sound Bar. The sensor is located there. If your remote stops responding, you may need to replace the battery. To replace the battery, insert a flat-head screwdriver into the slot as shown. Gently push down on the tab, then press and pull downward on the battery cover to open.