User manual JBL SCS 178 CENTER (220-240V)

[. . . ] Any mounting of the product should follow the manufacturer's instructions, and should use a mounting accessory recommended by the manufacturer. Important Safety Precautions! 10. Do not use attachments not recommended by the product manufacturer, as they may cause hazards. When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or that have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards. [. . . ] We're confident that the JBL system you have chosen will provide every note of enjoment that you expected ­ and that when you think about purchasing additional audio equipment for your home, car or office, you will once again choose JBL. JBL Consumer Products INCLUDED One center channel loudspeaker 3 SPEAKER PLACEMENT Center Channel Speaker 0 ­ 0. 6m (0 ­ 2 ft. ) The center channel speaker should be placed slightly behind the front left and right speakers, and no more than two feet above or below the tweeters of the left and right speakers. It is often convenient to set the center speaker on top of the television set, as shown in the drawing. SPEAKER CONNECTIONS Connection Tips electronics, including JBL, use red to denote the (+) terminal and black for the (­) terminal. It is important to connect all speakers identically: (+) on the speaker to (+) on the amplifier and (­) on the speaker to (­) on the amplifier. Wiring "out of phase" results in thin sound, weak bass and a poor stereo image. With the advent of multichannel surround-sound systems, connecting all of the speakers in your system with the correct polarity remains equally important in order to preserve the proper ambience and directionality of the program material. Connect the JBL SCS 178 Center loudspeaker to the center channel output of your surround amplifier/receiver with correct polarity, plus-toplus and minus-to-minus. Separate and strip the ends of the speaker wire as shown. Speakers and electronics terminals have corresponding (+) and (­) terminals. Most manufacturers of speakers and 4 TROUBLESHOOTING If there is no sound from any of the speakers: · Check that receiver/amplifier is on and a source is playing. · Check all wires and connections between receiver/ amplifier and speakers. Make sure none of the speaker wires are frayed, cut or punctured. · Review proper operation of your receiver/amplifier. If there is no sound coming from one speaker: · Check the "Balance" control on your receiver/amplifier. · Check all wires and connections between receiver/ amplifier and speakers. Make sure none of the speaker wires are frayed, cut or punctured. · In Dolby Digital or DTS® modes, make sure that the receiver/processor is configured so that the speaker in question is enabled. If there is no sound from the center speaker: · Check all wires and connections between receiver/ amplifier and speaker. Make sure none of the speaker wires are frayed, cut or punctured. · If your receiver/processor is set in Dolby Pro Logic mode, make sure the center speaker is not in phantom mode. · If your receiver/processor is set in Dolby Digital or DTS® mode, make sure the receiver/processor is configured so that the center speaker is enabled. [. . . ] · In Dolby Digital or DTS® modes, make sure your receiver/processor is configured so that the surround speakers are enabled. · Review the operation of your DVD player and the jacket of your DVD to make sure that the DVD features the desired Dolby Digital or DTS® mode, and that you have properly selected that mode using both the DVD player's menu and the DVD disc's menu. 5 S P E C I F I C AT I O N S SCS178 Center Frequency Response(-6dB): Sensitivity (2. 83V/1m): Nominal Impedance: Recommended Amplifier Power Drive Units: Dimensions (H x W x D): Weight: 100Hz ­ 22kHz 88dB 4 Ohms 25 ­ 100 Watts RMS per Channel 12mm Polyamide/Titanium Laminate Video-shielded HF Dual 100mm Paper Cone Video-shielded Mid/Bass 145mm x 402mm x 155mm (5. 7" x 15. 8" x 6. 1") 4. 5kg (9. 9lb) Refinements may be made on occasion to existing products without notice, but will always meet or exceed original specifications unless otherwise stated. Simply Cinema is a registered trademark of JBL, Incorporated. * Dolby and Pro Logic are trademarks of Dolby Laboratories. [. . . ]