User manual BOSE QUIETCOMFORT 3 HEADPHONES

[. . . ] · Do not place the battery in direct sunlight, or use or store it inside cars in hot weather where it can be exposed to temperatures in excess of 140°F (60°C). Using the battery in this manner also may result in a loss of performance and a shortened life expectancy. Avoid placing it around metal objects such as keys, pocket change, paper clips, and jewelry. · Do not hit the battery with a hammer, step on, throw or drop it to expose it to a strong shock. [. . . ] However, this is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, you are encouraged to try to correct the interference by one or more of the following measures: · Reorient or relocate the receiving antenna. · Connect the equipment to an outlet on a different circuit than the one to which the receiver is connected. · Consult the dealer or an experienced radio/TV technician for help. NOTICE FCC WARNING Thai · Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. · Proper connections must be used for connection to a host computer and/or peripherals in order to meet FCC emission limits. Korean S. Chinese Arabic 3 Welcome English Introducing the QuietComfort® 3 Acoustic Noise Cancelling® headphones Welcome Thank you for purchasing the QuietComfort® 3 Acoustic Noise Cancelling® headphones from Bose. Our innovative technologies enable these on-ear headphones to reduce unwanted distractions while providing you with lifelike audio performance and a comfortable fit. Adjustable headband Japanese Rotating earcups L (left) mark Replaceable ear cushions R (right) mark Power switch with power indicator Accessories included: N. America/Japan China Ports Headphones audio cord Dual-plug adapter ¼ in. (6. 3 mm) stereo phone plug adapter Thai Battery charger Europe Korea U. K. /Hong-Kong/ Singapore Australia/New Zealand 5 ft. Chinese Korean Batteries Battery charger plug adapters Carrying case IMPORTANT: Before initial headphone use, it is important to fully charge the battery for a minimum of two hours. See "Charging the battery" on page 5. Arabic 4 Preparing Your Headphones Charging the battery Preparing Your Headphones English Initial charging time for a new battery is approximately two hours. After that, charging time varies depending on the battery charge state. 1 2 3 Indicator: On = Charging Off = Charging complete Flashing = See "Troubleshooting" on page 10. Japanese IMPORTANT: DO NOT STORE A BATTERY IN THE CHARGER. · After charging, unplug the battery charger and remove the battery. · Storing a battery in the charger diminishes the charged state of the battery over time and may permanently reduce the capacity of the battery. Battery handling and precautions · The battery does not have to be completely discharged in order to charge it. Battery charging should occur within the temperature range of 32°F (0°C) to 95°F (35°C). · A fully charged battery provides approximately 25 hours of use. Replace the battery when it no longer provides adequate power after charging. To order a replacement battery, see "Troubleshooting" on page 10. · Keep the terminals on the battery, in the charger, and in the right earcup of the headphones clean at all times. Dirty terminals may cause poor electrical connections and affect performance. For cleaning instructions, see "Cleaning" on page 10. Thai Korean S. [. . . ] · Check the headphones cord connection at the source and the earcup. intermittent loss of · Clean the contacts on the battery and in the battery noise reduction compartment. · Make sure the air temperature is within the acceptable range for charging, 32° F (0°C) to 95° F (35°C). · Replace the charger. Charger indicator is flashing Korean Arabic Tr. [. . . ]