amsa SC4JC78 ACTIVE SPEAKERSYSTEM SISTEMA DE ALTAVOCES ACTIVOS SYSTEME D'ENCEINTESACTIVES OPERATING INSTRUCTIONS MANUAL DE INSTRUCCIONES MODE D'EMPLOI OWNER'S RECORD For your convenience, record the model number and serial number (you will find them on the rear of your set) in the space provided below. Please refer to them when you contact your AIWA dealer in case of difficulty. Model No. Serial No. SC-UC78 ( For assistance and information, ) call toll free I-800-BUY-AIWA. L (United States and Puerto Rico) ., 11 m B J mm H FCC Part 156, Class B PRECAUTIONS q FCC NOTICE This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ­ Reorient or relocate the receiving antenna. ­ Increase the separation between the equipment and receiver. ­ Connect the equipment into an outlet on circuit different from that to which the receiver is connected. ­ Consult help, the dealer or an experienced radio/TV technician for q q The unit should be situated so that its location or position does not interfere with the heat ventilation openings around the right speaker and sound pressure ventilation on the rear of the left speaker. Allow 15 cm (6 in.) clearance from the rear and the top of the unit, and 5 cm (2 in,) from each side. Do not use the unit in places which are extremely hot, cold, dusty or humid. In particular, do not keep the unit: q in a high humidity area such as a bathroom q near a heater q in an area exposed to direct sunlight (e.g., inside a parked car, where there could be a considerable rise in temperature) Keep cassette tapes, magnetic cards and other magnetically recorded materials away from the speakers as the recorded information may be erased or noise may occur on the cassette tapes. Using the system near a TV set If the TV picture is distorted, turn off the power of the TV set, and after 15 to 30 minutes turn it on again. If there seems to be no improvement, move the system further away from the TV set. q Be sure not to place magnets or objects using magnets, such as audio racks, toys etc. near the TV set. These may cause magnetic distortion to the picture. q Safety . When disconnecting the AC cord, pull it out by the AC power plug, Do not pull the cord itself. q If you are not going to use the system for a long period of time, disconnect the AC cord, Should any problem occur, disconnect the AC cord and refer servicing to qualified personnel only, CAUTION Modifications or adjustments to this product, which are not expressly approved by the manufacturer, may void the user's right or authority to operate this product. q q Windows@95 and Windows@98 are the trademarks of Microsoft Corporation registered in the US and other countries, Company and product names mentioned herein are the trademarks or registered trademarks of their respective owners. ENGLISH 2 TABLE OF CONTENTS PRECAUTIONS ...................................................................................... 2 ABOUT USB ....................... .................................................................... 3 FEATURES ......................... .................................................................... 4 NAMES OF PARTS ................................................................................ 5 CONNECTION AND SETTINGS ............................................................ 6 Before connecting the speakers to your PC .. . ... .. ... .. .. ... .. .. . . 6 Connecting the speakers .................................................................... 8 INSTALLING THE USB DEVICE DRIVERS ........................................... 9 Verifying installation . ... . .... . .. . . . .. .. . . . ... . .... 11 If the USB port does not work .... .... ..... .. ... .... ... .... ..... .... .. .. ..... 12 When the Universal Serial bus controller is not displayed or when thedevice driver installation will not begin 13 USING THE SPEAKERS .... .................................................................. 14 OPERATION ....................... .................................................................. 15 (1) Using the USB port for audio .... .. ... .... .. .. ... . . .. .... .. .. .... 15 (2) Playing music CDs using the USB port ....... ... . . .... ....... .. ..... 17 TROUBLESHOOTING ........ .................................................................. 18 CARE .................................. .................................................................. 18 SPECIFICATIONS .............. .................................................................. 19 ABOUT USB USB is an abbreviation of Universal Serial Bus. A USB is a high speed interface for easily connecting a PC and peripheral devices. The USB has the following features. q With one USB cable, various peripherals can be connected. q Data transfer speeds as high as 12 Mbps are possible. * Peripherals can be plugged in even while the PC is on (hot plug in). q Using a USB hub, as many as 127 peripherals can be plugged into a singl; PC. Requirements for connecting these speakers to a PC via a USB To connect these speakers to a PC via a USB, a PC with a USB port and Windows ` 98 is required. The USB port must be properly configured. For more information, ask your computer dealer or manufacturer whether or not USB audio is supported by your computer. Notes reaardirw the use of these speakars with a USB .. When t;ese sp-eakers are connected to a PC by a USB, use the included 111111 USB cord or a shielded-type (high speed tYPe) USB cord. q After the speakers are co-nnected to the PC, it will take the PC about ten seconds to recognize the speakers. Until the speakers are recognized, avoid unplugging the USB cord or turning off the speakers. q ENGLISH 3 FEATURES q Equipped with both USB and analog audio inputs Dynamic Bass system QSOUND system Front 180' speaker system High power sound of 5.5 W + 5.5 W speakers powered subwoofer and 11 The QSOUND system is a front surround system that produces virtual reality sounds (stereoscopic sound field). This is achieved by processing the directional components of sounds with the QSOUND processor. q q q q w built-in Left speaker - Right speaker Cavity (A) I Cavity (B) I Port Duct Speaker unit = : Sound field without QSOUND effect \WMI': Sound field with QSOUND effect The subwoofer adopts a Dynamic Bass System in which port, duct and air cavity (A) compose an acoustic bandpass filter in front of air cavity (B). By virtue of this structure, the bass reproduction limit is extended and sounds higher than middle range frequencies are reduced. This makes it possible for the unit to reproduce powerful bass sound. 4 ENGLISH NAMES OF PARTS Left speaker This speaker system features the Front 180" system with unidirectional speakers pointed inward at angles of 45°. You can get an optimal stereo effect not only directly in front of the speakers but also when off the center line between the speakers. Stereo effect with a conventional speaker system Right speaker n /7 r-1 Rear panel of the right speaker Stereo effect with Aiwa Front 180° speaker system -- @ Built-in @ Speaker @ POWER subwoofer cord indicator ON/ l(!) @ fl (headphones) jack --- `@ SUBWOOFER volume control @ USB port @ INPUT @ L SP output) @AC cord PHONES (input) cord speaker @ POWER switch (~ STANDBY) @ QSOUND @ VOLUME button control OUT jack (left _: Stereo listening area ENGLISH 5 CONNECTION AND SETTINGS Before connecting the speakers to your PC Before connecting the speakers to your PC through a USB port, verify that the USB port is properly configured. 1 Turn on your PC and wait for Windows@98 to start. s Double click on the System icon (Fig.2). z Click on the Start button and select the Control Click. Panel (Fig. 1). Fig. 2 Q Click on the Device Manager tab in System Properties (Fig. 3). Fig. 1 Fig. 3 6 ENGLISH s Click onthe[+] totheleft of Universal serial bus controller and USB Root and verify that USB Universal Hub are displayed (Fig. 4). Host Controller if these two drivers are not displayed, see page 12, "If the USB port does not work." Verify. Fig. 4 ENGLISH 7 CO/V/VECTIONA/VD SETTINGS Backside speaker @ To use the USB port, it must be configured by the computer. Connect the speakers to the USB port after making sure that the port is properly configured, as shown on page 6. of right Back side of left speaker Connecting the speakers 6 Connect q the left speaker to the right speaker. q cord +8 to an AC outlet (input) cord Donotconnect acordother than thespeaker cord from the left speaker to the L SP OUT jack of the right speaker; otherwise these speakers may be damaged. Connect thespeaker cord before plugging thepower cord into anAC outlet. the right speaker to your PC or another playback 7 Connect device. -- USB cord (supplied) to headphones jack 1 PortableCD player, portableMD player, portablecassetteplayer, PC,sound board,etc. If the output from the audio source is monaural Attach a commercially available plug adaptor (monaural + stereo) to the INPUT PHONES (input) cord. Otherwise no sound will be produced from the right speaker. Make sure that the USB cord and INPUT PHONES (input) cord are completely plugged in. Malfunctions can occur when the cords are only partially plugged in. 8 9 PC equipped USB port with Plug the power cord into an AC outlet. Turn the VOLUME control on the right speaker (= ON). fully to the left and press the POWER switch 8 ENGLISH INSTALLING THE USB DEVICE DRIVERS 11 Select "Search for the best driver for your device and click on the Next button. drive", insert the Windows" 98 CD-ROM into (Recommended)" 12 Select "CD-ROM the drive, and click on the Next button. If Windowsm 98 was pre-installed button. 1s Click on the Next button. 1 q Click on the Finish button. After the USB Composite Device has been installed, the installation for the USB Human Interface Device begins. on your PC, simply click on the Next 15 On the screen detected that appears after new hardware has been Ill!l `o appears, click on the Next button. 16 Select 17 Select "Search for the best driver for your device and click on the Next button. drive" and click on the Next button. on your PC, simply click on the Next (Recommended)" "CD-ROM If Windows@ 98 was pre-installed button. 18 Click on the Next button. I g Click on the Finish button. After installation for the USB Human Interface Device is completed, the installation for the USB Audio Device begins. ENGLISH 9 INSTALLING THE USB DEVICE DRIVERS that appears after new hardware has been This completes the installation for the USB Composite Device, the USB Human Interface Device, and the USB Audio Device drivers. 20 On the screen detected appears, click on the NeKt button. 21 Select "Search for the best driverfor your device (Recommended)" and click on the Next button. 22 Select "CD-ROM drive" and click on the Next button. m Some of these steps may be different for the upgrade version Windows@ 98. If so, please consult your computer manufacturer. of If Windows@98 was pre-installed on your PC, simply click on the Next button. 23 Click 24 on the Next button. Click on the Finish button (Fig. 6). The installation for the USB Audio Device is complete. ~ Fig. 6 click, 10 ENGLISH Verifying installation Verify that the three device drivers are installed correctly. 26 Click on the Device Manager tab in System Properties. Click on the [+] to the left of each of "Sound, video, and game controllers,"" Human Interface Devices, " and "Universal serial the bus controller," are displayed and make sure that the three installed (Fig. 7). drivers 25 Perform speakers steps 2 through to your PC. " 4 on page 6, "Before connecting &--w Human Interface Devices W HID-complmnt consumer control dwce ~& USE Human Interface Device ~ T Click on [+]. &l * ,, Universal serial bu$ controller Intel 32371 AE/EE PCI to USE Universal Hoxt Controller USE Composite Device USB Root Hub Fig. 7 This completes the connections port. and settings necessary for using the USB ENGIVSH 1I INSTALLING THE USB DEVICE DRIVERS If the USB port does not work If any of ...