Yamaha YST-SW515 Owner's Manual - Page 15

AUTOMATIC POWER-SWITCHING FUNCTION This function automatically switches the unit between standby and power-on modes. The subwoofer automatically places itself in standby mode if it does not receive an input signal for 7 or 8 minutes. (The power indicator lights red.) When the subwoofer detects a bass signal input of below 200 Hz, it automatically places itself in power-on mode. (The power indicator lights green.) Changing the AUTO STANDBY setting 1 Set the subwoofer to standby. 2 Change the AUTO STANDBY setting. - LOW: Normally select this position to activate this function. - HIGH: If this function does not operate with AUTO STANDBY switch set to LOW, select this position so that the subwoofer detects input signals with a lower level and switches the power on automatically. - OFF: Select this position to deactivate this function, for example, when the subwoofer switches the power on unexpectedly by sensing noises from other appliances. Notes: • This function does not operate when the POWER switch is set to the OFF position, or when you manually set the subwoofer to standby mode by pressing the STANDBY/ON button. • Noise received from other appliances may extend the time period before the subwoofer places itself in standby mode to more than 8 minutes. 11