User manual BOSE IN-EAR HEADPHONES

[. . . ] The headphones should be pushed into the ear far enough to establish a secure fit but not so far that they become uncomfortable. Some users may find that the small or large sizes provide a more appropriate fit. It is also possible that some listeners may prefer different sizes of ear tips for each ear. [. . . ] Other features may serve to limit volume out such as "sound check" or "volume limit. " Finally, other features add spatialization effects such as "Surround", "SMS", "WOW", or "3D. " The Bose® in-ear headphones were designed to deliver high quality, balanced sound and deep, low notes without the need for any artificial enhancement. Therefore, when using the headphones we recommend that you first turn off all the enhancement features before making any personal adjustments to the audio settings. ©2007 Bose Corporation. No part of this work may be reproduced, modified, distributed, or otherwise used without prior written permission. All trademarks referenced herein are property of Bose Corporation. Using the optional stability enhancement accessories You may find the stability of the Bose® in-ear headphones is improved during certain activities, such as exercise, when using either the supplied lanyard or clothing clip. Either optional accessory will reduce some of the downward pull from the cord and may be used separately or together. Attach the headphone cord through the right (R) and left (L) lanyard connectors CORRECT approximately 10 inches (25. 4 cm) below each ear piece. Important: Make sure the L and R marks point up toward the ear pieces. Pull the lanyard over your head and allow it to rest behind your neck 3. Fit the headphones into your ears as described in the INCORRECT headphone owners' guide. Adjust the lanyard connectors to make enough slack above the lanyard connectors so that any downward pulls on the plug end of the cord are not felt in the ears. Note: Lanyard has a built-in safety release that separates when forcefully pulled. Attach the headphone cord to the connector on the back side of the clip. Attach the clip high up on your shirt or collar, allowing for slack above the clip. Adjust clip position until there is enough slack in the cord above the clip that any downward pulls on the plug end of the cord are not felt in the ears. Cleaning Your headphones may require periodic cleaning: · Ear tips: First, remove them from the headphones and wash the tips with a mild detergent and water. Make sure you thoroughly rinse and dry them before putting them back on the headphones. · Headphone nozzles: Clean the nozzles only with a dry, soft cotton swab or equivalent. Never insert any cleaning tool into the nozzle opening. · Lanyard: Detach lanyard and wash with mild soap and water. [. . . ] If you still need help, see the contact information on the inside back cover for assistance in your area. Problem No audio/ Intermittent Excessive bass Low volume/ poor audio Eartips falling off Lost eartip What to do Make sure that the headphone plug is securely connected to the headphone jack (not the line out jack) of the audio device. Turn off any bass boost or other audio enhancement features on the audio source. Turn off any "sound checker" or other audio signal altering features on the audio source. [. . . ]