Évaluations - 3, GPA: 4
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Facilité d'utilisation
Unless you are very competent at DIY, do not wall-mount the speaker yourself. Ask your dealer or a qualified contractor to do the installation for you. Incorrect installation may cause the speaker to fall, causing damage or injury. • Surround speakers (NS-B285) 1 Install screws into a solid wall or wall support, as shown below. Use 3.5 to 4 mm (1/8") diameter self- tapping screws. 2 Hang each speaker by its keyhole slots onto the protruding screws. Note • Make sure the shaft of the screw is seated in the narrow part of the keyhole slot. Otherwise, the speaker may fall. 45 mm (1-3/4") Wall/wall support 6 mm (1/4") Minimum 20 mm (3/4") NS-B285 • Front/center speaker (NS-BR300) 1 Use tape or thumbtacks to affix the supplied mounting template to the wall, and use a pencil or other tool to mark the hole positions on the wall. Mounting Tape or thumbtacks Mark here template 2 Remove the template, and then install screws, as shown below. Use 3.5 to 4 mm (1/8") diameter self- tapping screws. 4 to 6 mm (3/16" to 1/4") Diameter: 7 to 9 mm or more (#8, 1/4" to 3/8" or more) 3 Hang the speaker by its keyhole slots onto the protruding screws. Note • Make sure the shaft of each screw is seated in the narrow part of each keyhole slot. Otherwise, the speaker may fall. Cautions • The front/center speaker (NS-BR300) weighs 1.5 kg (3 lbs.). The surround speakers (NS-B285) weigh 0.45 kg (1 lbs.). Do not mount the speakers on thin plywood or on walls with a soft surface material. Otherwise, the screws may pull out of the surface and the speakers may fall, causing damage or injury. • Do not affix the speakers to walls by using nails, adhesives, or unsuitable hardware. Long-term use and vibration may cause the speakers to fall. • To prevent tripping accidents, secure loose speaker cables to walls, floors, etc., using suitable fasteners. • Mount the speakers at positions on the walls where people are unlikely to bump their heads. • Attach the speakers to a rack or wall. Do not attach the speakers to walls made of weak materials, such as plaster or veneered woods. Doing so may cause the speakers to fall. • Use commercially available screws that can support the weight of the speakers. • Only use the screws specified for attaching the speakers. Using fasteners other than those specified, such as short screws, nails, or double-sided tape, may cause the speakers to fall. • When connecting the speakers, secure the speaker cables so that they do not hang loose. If your foot or hand accidentally gets caught on a loose speaker cable, the speaker may fall, causing damage or injury. • After installing each speaker, check that it’s fixed securely. Yamaha accepts no responsibility whatsoever for accidents due to improper installation. English 7 En Troubleshooting Troubleshooting If this product doesn’t work as expected, look for a possible cause below. If the issue you are experiencing is not listed, or you cannot resolve it after reading through these instructions, disconnect the power cable and contact an authorized Yamaha dealer or service center. Issue Possible cause Remedy There’s no sound. The speaker cables are not connected properly. Make sure the speaker cables are connected properly. The sound is very quiet. The speaker cables are not connected properly. Make sure the speaker cables are connected properly: L (left) to L, R (right) to R, “+” to “+” and “–” to “–”. ¦ Subwoofer (NS-SW280) Issue Possible cause Remedy The POWER switch is set to ON but the subwoofer doesn’t work. The power cable is not connected properly. Set the POWER switch to OFF, then make sure the power cable is connected properly. There’s no sound. The VOLUME control is set to 0. Turn up the VOLUME control. The subwoofer cable is not connected properly. Make sure the subwoofer cable is connected properly. The subwoofer is too quiet. The source material doesn’t contain much bass. Try playing source material that contains more bass. Bass sounds are being cancelled out by standing waves. Reposition the subwoofer, or break up parallel wall surfaces by placing bookshelves or other large objects along the wall. Specifications ¦ Surround speakers (NS-B285) Type ........................................... Full-range acoustic-suspension non-magnetic shielding type Driver............................................ 6.5 cm (2-1/2") cone speaker Nominal input power ......................................................... 30 W Maximum input power ...................................................... 80 W Impedance ............................................................................... 6 . Frequency response........................................... 110 Hz–40 kHz Sensitivity ........................................................81 dB/2.83 V, 1 m Dimensions (W . H . D) ................ 90 . 90 . 109 mm (3-1/2" . 3-1/2" . 4-1/4") (without stand) .............. 90 . 120 . 123 mm (3-1/2" . 4-3/4" . 4-7/8") (with stand) Weight........................................0.45 kg ...