User manual BOSE QUIETCOMFORT

[. . . ] Label and ship the product, freight prepaid, to the address provided by the Bose organization in your country; and 3. Place any necessary return authorization number prominently on the outside of the carton. Cartons not bearing a return authorization number, where required, will be refused. Batteries Please dispose of used batteries properly, following any local regulations. This product conforms to the EMC Directive 89/336/EEC and to the Low Voltage Directive 73/23/EEC. [. . . ] The complete Declaration of Conformity can be found on www. Bose. com/compliance. ©2009 Bose Corporation. No part of this work may be reproduced, modified, distributed, or otherwise used without prior written permission. ii English TAB 2, 10 TAB 3, 11 TAB 4, 12 TAB 5, 13 TAB 6, 14 TAB 7, 15 TAB 8, 16 Thank you for purchasing the QuietComfort® 15 Acoustic Noise Cancelling® headphones from Bose®. Three decades of research have resulted in the most advanced Bose consumer noise reduction technology ever to be developed. The QuietComfort 15 headphones offer this noise reduction technology while maintaining our acclaimed lifelike audio performance and comfort. Enjoy them when you fly, work, or just relax. QuietComfort® 15 headphones Carrying case Headphones cord Battery Airline adapter 1 TAB 8, 16 TAB 7, 15 TAB 6, 14 TAB 5, 13 TAB 4, 12 TAB 3, 11 English TAB 2, 10 English Before you put on the headphones 1. Tilt the top of the right earcup inward to gain access to the battery compartment. Open the battery compartment and insert the battery as shown. For noise reduction only R L Put on the headphones. On the right earcup, slide the power switch forward to the On position. The battery light indicator will illuminate. AAA alkaline battery (IEC LR03) You do not need to connect the headphones cord for noise reduction only operation. 2 English TAB 2, 10 TAB 3, 11 TAB 4, 12 TAB 5, 13 TAB 6, 14 TAB 7, 15 TAB 8, 16 For noise reduction and audio R L 2. Connect the headphones cord to an audio source. When a replacement is needed, use a AAA alkaline battery (IEC LR03). Note: Remaining battery life may vary when using rechargeable batteries. NiMH batteries, composed of nickel metal hydride, are recommended. Cleaning the headphones Scheduled cleaning is not required. However, you can simply wipe the outside surfaces with a damp cloth, as needed. Also, be sure that the earcup ports are clear and that no moisture is allowed into the earcups. CAUTION: Incorrectly rotating the earcups can damage the headphones. 5 TAB 8, 16 TAB 7, 15 TAB 6, 14 TAB 5, 13 TAB 4, 12 TAB 3, 11 English TAB 2, 10 English Reattaching the earcup cushions If a cushion becomes partially or completely detached: 1. Push its mounting rim back into the earcup. Troubleshooting Problem No noise reduction What to do · Make sure the headphones power is switched on and the battery light indicator is illuminated. · Make sure the audio source is on and the volume is turned up. · Check the headphones cord connection at the source and the earcup. · Check the headphones cord connection at the source and the earcup. · Adjust the fit of the headphones on your ears. · Make sure no foreign objects are inside the earcups. [. . . ] · Adjust the fit of the headphones on your ears. · Make sure no foreign objects are inside the earcups. · Make sure port holes are not blocked · Turn the source volume down. · Set LEVEL switch to LO. Low or no volume Crackling noise; intermittent loss of noise reduction 2. [. . . ]