Panels/Remote Control Description & View - Sylvania SB374W Owner's Manual

press PAIR on remote control 5 seconds ,Red light flashing in the bottom of indicator on bar ,around 10seconds later ,
connection successfully when bottom red light on and red light on constantly on subwoofer and subwoofer blue light off .
STANDBY:
Press PAIR button 5 seconds on subwoofer ,PAIR-LED light be blue flashing ,then
Orange
PAIR:Press PAIR button 5 seconds on subwoofer ,PAIR-LED light be
blue flashing ,then press PAIR on remote control 5 seconds ,
Red light flashing in the bottom of indicator on bar ,around
10seconds later ,connection successfully when bottom red light
on and redlight on constantly on subwoofer and subwoofer
blue light off .