User manual BOSE QUIETCOMFORT

[. . . ] What you must do to obtain Limited Warranty Service: Return product, with proof of purchase from an authorized Bose dealer, using the following procedures: 1. Contact the Bose organization in your country/region (visit Global. Bose. com for Bose contact information in your country/ region) for specific return and shipping instructions; 2. 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. 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. · 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. Press around the edge of the mounting rim, making sure it snaps into place under all eight tabs around the earcup. Low rumbling sound Replacement parts and accessories You can purchase accessories from your Bose dealer, at global. Bose. com, or by placing an order over the phone. [. . . ] · Set LEVEL switch to LO. Low or no volume Crackling noise; intermittent loss of noise reduction 2. Press around the edge of the mounting rim, making sure it snaps into place under all eight tabs around the earcup. Low rumbling sound Replacement parts and accessories You can purchase accessories from your Bose dealer, at global. Bose. com, or by placing an order over the phone. See the inside back cover for contact information. Volume too high 6 English TAB 2, 10 TAB 3, 11 TAB 4, 12 TAB 5, 13 TAB 6, 14 TAB 7, 15 TAB 8, 16 Other Considerations QuietComfort® 15 headphones are designed for passenger use on jet aircraft. They are not engineered to meet the needs of pilots and crew members or to meet civil aviation authority standards for communication headsets. [. . . ]