Yamaha YST-SW515 Owner's Manual - Page 13

CONTROLS AND THEIR FUNCTIONS Front panel Rear panel (General model) 1 Power indicator Lights up in green while the subwoofer is on. Lights up in red while the subwoofer is set in the standby mode by the operation of the automatic powerswitching function. Goes off when the subwoofer is set in the standby mode. 2 STANDBY/ON button Press this button to turn on the power when the POWER switch is set in the ON position. (The power indicator lights up in green.) Press again to set the subwoofer in the standby mode. (The power indicator goes off.) Standby mode The subwoofer is still using a small amount of power in this mode. 3 B.A.S.S. (Bass Action Selector System) button When this button is pressed in to the MUSIC position, the bass sound in audio software is well reproduced. By pressing the button again so that it pops out at the MOVIE position, the bass sound in video software is well reproduced. 4 HIGH CUT control Adjusts the high frequency cut off point. Frequencies higher than the frequency selected by this control are all cut off (and no output). * One graduation of this control represents 10 Hz. 5 VOLUME control Adjusts the volume level. Turn the control clockwise to increase the volume, and counterclockwise to decrease the volume. 6 VOLTAGE SELECTOR switch (China, Korea, Asia and General models only) If the preset setting of the switch is incorrect, set the switch to the proper voltage (110V, 120V, 220V or 230-240V) of your area. Consult your dealer if you are unsure of the correct setting. WARNING Be sure to unplug the subwoofer before setting the VOLTAGE SELECTOR switch correctly. 7 POWER switch Normally, set this switch to the ON position to use the subwoofer. In this state, you can turn on the subwoofer or turn the subwoofer into the standby mode by pressing the STANDBY/ON button. Set this switch to the OFF position to completely cut off the subwoofer's power supply from the AC line. 9