User manual BOSE QC20I

[. . . ] Use the supplied USB cable to connect the headphones to a powered USB port on your computer or an agency approved wall charger (not supplied). When fully charged, headphones will have about 16 hours of battery life. Note: Before charging, be sure the headset is at room temperature, between 41°F (5°C) and 104°F (40°C). Aanzetten Powering on Sådan tændes hovedtelefonerne   Slide the power switch on the control module to On. [. . . ] Note: Full controls may not be available for some Apple products. Handling Juster lydstyrken Afspil/pause Mode-Taste  Lydstyrke + Svar/afslut Lydstyrke - Importance of Proper Fit For effective noise reduction performance, it is important to choose the correct size StayHear® + tip. Select the size that gives you the best comfort and fit in each ear. You may need to try all three sizes to determine the best fit. To test the fit, try speaking aloud (with the power off). Your voice should sound muffled in both ears. Be sure to attach the left tip (L) to the left earpiece and the right tip (R) to the right earpiece. Gently peel the edges of the attached tip away from the earpiece, using care not to tear the tip. CAUTION: To prevent damage, do not pull on the tip wing. Slide the new tip over the headphone nozzle. Press the tip securely into place until you feel it latch. The ridge on the headphone housing should fit into the slot on the inside of the tip. Een StayHear® +-dopje vervangen:  Fitting to your Insert the the headphonesear so the eargently 1. Headphone into the tip rests in the opening of the ear canal. Tilt the headphone back and lightly press the wing under the ear ridge until it is comfortable and secure. The tip should sit comfortably yet securely in the bowl of the ear.  Color Recognizing the lights Status while in use: Status while charging: Green (solid) Power on. More than Charging 3 hours of battery life complete remaining. Less than N/A 3 hours of battery life remaining. Nd ca o e moda à C N N M C w m m Ü emmód e ő ény S N m mm Troubleshooting • Make sure the headphones are powered on and  securely plugged into the headphone jack on the Apple device. • Try another StayHear® + tip size. €  ry another Apple device or music application. [. . . ] Please note that the use of this accessory with iPod, iPhone or iPad may affect wireless performance. Serial number (on Warranty Card): _____________________________________________ Now is a good time to register your headphones. You can do this easily by going to: http://global. No part of this work may be reproduced, modified, distributed, or otherwise used without prior written permission. [. . . ]