SAFETY INFORMATION
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there 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 this equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
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–Increase the separation between this equipment and receiver.
–Connect this equipment into an outlet on a circuit different from that to which the receiver is connected.
–Consult Bose or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by Bose Corporation could void the user’s authority to operate this equipment.
Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
This device complies with FCC and Industry Canada RF radiation exposure limits for general population. It must not be collocated or operating in conjunction with any other antenna or transmitter.
Bose Corporation hereby declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC and all other applicable EU directive requirements. The complete declaration of conformity
can be found at: www.Bose.com/compliance.
Operate this product within the temperature range of 5°F to 131°F
Important Safety Instructions
•Please read these instructions carefully and completely before using the headset.
•Keep these instructions and make these instructions easily accessible to all users at all times. Always include these instructions when passing the headset on to third parties.
•During flight operations, do not use the headset for telephone calls.
•It is the responsibility of each aircraft operator or pilot in command to determine that any and all portable devices will be free of any interference with the navigation or communication system of the aircraft. In addition, it is their responsibility to determine the suitability of the performance of portable devices in relation to the use of the Bose® A20® Aviation Headset.
•The headset is capable of producing sound pressure levels exceeding 85dB(A). In many countries 85dB(A) is the maximum legally permissible level for continuous noise exposure during the working day. Exposure to sounds of higher volume levels or longer durations can permanently damage your hearing.
•Never repair or attempt to repair a defective headset yourself. Contact Bose® Technical Support. Refer to “Contact information” on page 37.
•Do not immerse the headphones in water or any other liquid. See “Cleaning the headset” on page 23 for cleaning instructions.
•Warning: Choking
hazard. Keep the batteries away from children.
•Danger of explosion if
batteries are incorrectly replaced.
Replace only with AA alkaline batteries. Do not use any other battery chemistries.
Batteries may cause a fire or chemical burn if mishandled. Do not recharge, disassemble, heat, or incinerate. Dispose of used batteries properly.
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