User manual YAMAHA DSR-112

[. . . ] POWERED S PE A K E R S POWERED SPEAKER DSR DSR118W MODE D'EMPLOI series POWERED SUBWOOFER DSR112 DSR115 DSR215 OWNER'S MANUAL BEDIENUNGSANLEITUNG EN DE FR ES IT RU ZH JA MANUAL DE INSTRUCCIONES MANUALE DI ISTRUZIONI Italiano Español Français Deutsch English Explanation of Graphical Symbols CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user 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 the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The above warning is located on the rear of the unit. IMPORTANT SAFETY INSTRUCTIONS Read these instructions. Install in accordance with the manufacturer's instructions. [. . . ] If there is reason to believe that condensation might have occurred, leave the device for several hours without turning on the power until the condensation has completely dried out. · Avoid inserting or dropping foreign objects (paper, plastic, metal, etc. ) into any gaps or openings on the device. If this happens, turn off the power immediately and unplug the power cord from the AC outlet. Then have the device inspected by qualified Yamaha service personnel. · Do not use the device for a long period of time at a high or uncomfortable volume level, since this can cause permanent hearing loss. If you experience any hearing loss or ringing in the ears, consult a physician. · Do not operate the device if the sound is distorting. Prolonged use in this condition could cause overheating and result in fire. · Do not rest your weight on the device or place heavy objects on it, and avoid use excessive force on the buttons, switches or connectors. · Do not pull on any attached cable, such that of a microphone. 7 Setup Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Main Features of the DSR Series DSR112 DSR115 DSR215 DSR118W Speaker processing functionality provided by internal DSP (DSR112/DSR115/DSR215) The internal DSP delivers high-resolution sound by using speaker processing functionality that has been optimized for each model of the DSR series. Light and compact Featuring class-D amplifier, switching power supply with PFC, and light powerful magnetic neodymium magnet (DSR112 and DSR115 only) provides top-level light and compact body in the class. FIR-X tuningTM feature (DSR112/DSR115/DSR215) Linear phase FIR filter provides natural sound quality and smooth frequency response without phase cancellation around the crossover point. Powerful protection function Separate advanced protection circuits in the speaker unit, amplifier unit, and power supply unit ensure optimum reliability and long equipment life. Included Accessories · AC power cord · Owner's manual (this book) D-CONTOUR (Dynamic CONTOUR) feature (DSR112/DSR115/DSR215) D-CONTOUR is a newly developed three-band multiband compressor. It dynamically adjusts the level of each frequency range according to the volume of speaker outputs. It boosts the high and low frequencies when the volume level is low, and it reduces the amount of boost when the volume level is high. So that it delivers powerful sound tailored to human hearing. For example, this is useful for dance music, etc. , if you want to emphasize the rhythm. 6 DSR112/DSR115/DSR215/DSR118W Owner's Manual Controls and Functions Controls and Functions Rear panel English DSR112 / DSR115 / DSR215 DSR118W INPUT jacks These are balanced XLR and phone input jacks. The DSR118W has XLR jacks (L, R) only. NOTE LIMIT indicator Lights when the output limiter is active. The output limiter will operate in the following situations, attenuating the output signals to the amplifier. · If the output voltage of the amplifier has exceeded the maximum value · If excessive integral power consumption is detected · If the amplifier overheats NOTE You may use either the XLR or the phone jack, but not both types simultaneously. Please connect to only one of these jacks. THRU jack(s) These are balanced XLR output jack(s). [. . . ] Adjust the volume with the LEVEL control to prevent feedback. 10 DSR112/DSR115/DSR215/DSR118W Owner's Manual Troubleshooting Troubleshooting English ) position. 11 Symptom Power does not turn on. Possible causes The power cord is not connected properly Possible solution Connect the power cord properly. The DSR series feature a V-LOCK power cord. Press the latch button on the plug to disconnect the power cord. Turn off the power, wait until the amplifier cools down, and then turn on again. [. . . ]