A POWER switch
Press this switch to turn the main power on and off.
C SIGNAL switch
Slide this switch to turn the subwoofer ON/AUTO/OFF. ON: The subwoofer is always ON. If it is difficult to detect a signal in AUTO, turn the SIGNAL switch to ON.
AUTO: When the input signal is detected, the subwoofer turns on. When no signal is detected for 15 to 20 minutes, the subwoofer turns off (standby). OFF: The equipment draws nominal non-operating power from the AC outlet with its POWER switch in the OFF position. Turns OFF the subwoofer.
B POWER indicator
When the power is on, the indicator lights green. When the power is in standby, the indicator lights red.