Yamaha YST-SW150 Owner's Manual - Page 1

YST-SW150/80 Active Servo Processing Subwoofer System Built-in 100W Power Amplifier (YST-SW150) Built-in 70W Power Amplifier (YST-SW80) 2 Way Selectability for Connections High Frequency Cut-off Point (HIGH CUT) Control PHASE Switch AUTO POWER ON/OFF Switch Thank you for selecting this YAMAHA Subwoofer System. Active Servo Technology OWNER'S MANUAL CONTENTS Safety Instructions 2 Features 4 Placement 4 Connections 5 Controls and Their Functions .......8 Adjusting Volume 9 Active Servo Technology ........11 Troubleshooting 12 Specifications 12 IMPORTANT! Please record the serial number of this unit in the space below. Model: Serial No.: The serial number is located on the rear of the unit. Retain this Owner's Manual in a safe place for future reference. WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK), NO USER-SERVICEABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. • Explanation of Graphical Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.