This apparatus does not exceed the class B limits for radio noise emis- sions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. It also complies with Canadian ICES-003 Class B. ® Aviation Headset Series II has been tested and found to comply...
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U.S. testing laboratory using a combination of real head methods. Based on this information, the Bose Aviation Headset Series II provides sufficient hearing protection in any noise up to 108 dB(A) in sound pressure level. For more information on the methods used and the results obtained, please contact the Bose Aviation Headset Service Department (page 23).
Electromagnetic Compatibility Susceptibility 14 March 1997 Bose B.V. Nijverheidstraat 8,1135 GE Edam The Netherlands We, the offerer: Headset Bose Aviation Headset Series II EN55011, EN55013, EN55022 EN50082-1, EN55020 Accredited by Bose Corporation Anton Schalkamp General Manager, Bose Europe Manufacturer’s authorized EU representative...
In addition, should you choose to listen to in-flight entertainment through a Bose headset while piloting, we remind you to limit the volume to safe levels so that it does not interfere with your ability to hear informational sounds, such as those emitted by warning alarms.
For proper headset fit Note: The headset must be worn with the Bose logo (located on the earcups) facing forward. To achieve comfort and good performance, adjust both sides of the headband equally to provide a comfortable fit. To achieve a good seal,...
® Using the Bose Aviation Headset Interconnect plug The headset interconnect plug connects the headset cable to a power source. The power source can be an installed connector in the aircraft’s control panel or an adapter cable connected to a portable battery pack.
Turn the headset off if you suspect there may be a problem; for more information, refer to “In Case of Difficulty” (page 20). ® Using the Bose Aviation Headset...
® Using the Bose Aviation Headset Microphone boom relocation To suit your flying preference, the headset boom can easily be moved from one earcup to the other. 1. Unscrew the retaining knob on the boom mic mount. 2. Unplug the mic cable from the headband arm.
Experience in using the headset helps establish your sense of how it should sound. If you notice a problem, refer to “In Case of Difficulty” (page 20). If problems persist, contact the Bose Aviation Headset Service Department to arrange for service (page 23).
® Using the Bose Aviation Headset Powering the headset The Bose Aviation Headset Series II may be powered in one of two ways: a portable battery pack, or a connector installed into the aircraft’s instrument panel. Portable battery pack The portable battery pack is available in two versions: NICAD rechargeable and alkaline.
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Inserting batteries into the alkaline battery pack Spin the batteries once with thumb to seat them securely. ® Using the Bose Aviation Headset...
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® Using the Bose Aviation Headset Click Click...
DC power, incoming audio, and outgoing microphone functions permanently into their plane. The panel mount receptacle comes wired with a 6 foot harness to simplify the installation process. To order this connector, contact the Bose Aviation Headset Service Department (page 23).
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® Using the Bose Aviation Headset 5. Approved adhesives for use with this connector are Ciba-Geigy Uralane 5754- A/B, Lord 710, or VTCS-6 Vibratite. Do not let any cyanoacrylate-based adhesives (e.g., Loctite), flux remover, or other caustic compounds come into contact with the installed connector body.
Figure 11 Location of headphone and microphone receptacles in a typical plane’s control panel Using the Bose Description Headset power (7-32 Volts DC). Use a .5 amp fuse or circuit breaker. Black System ground. Connect to the existing audio ground.
Frequent flying may require replacement more often. To order a replacement cushion kit, call the Bose Service Department (page 23). Before ordering, remove the cushions and inspect the foam liners in the earcups. If you note significant deterioration, order foam liner replacements also.
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To install a new foam liner Note: The left and right foam liners are different. 1. Lift the old foam liner out of the earcup. 2. Place the new foam liner in the earcup. With the correct foam liner in place, nesting along the walls of the cavity, its half-moon shaped opening should cover the microphone, and the small opening in the foam liner should fit over the small hole.
For instructions on how to care for your headset and how to replace the cushions, refer to “Care and Maintenance” (page 18). If problems persist, contact the Bose ® Aviation Headset Service Department (page 23).
Technical Information Sound pressure levels (SPL) are relative to 20 micro Pascal. Earphones Damage could occur to avionics equipment if it was manufactured for use only with 600Ω (ohm) headsets. If in doubt, consult the avionics equipment manufacturer. Impedance In mono mode: 480Ω (on) and 190Ω (off) at 1kHz. In stereo mode: left, 500Ω...
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The Bose packs, and boom microphone are FAA approved to TSO c-57a and c-58a. The Bose Aviation Headset Series II has been designed to function in or withstand exposure to the following environmental conditions. Environmental categories cited refer to RTCA/DO-160C, 4 Dec 1989 and DO-214, 4 Mar 1993.
• warranty and repair information. If your headset must be returned for service: 1. Request a return authorization number from the Bose Aviation Headset Service Department (see above). 2. Securely pack the headset, enclosing your name, address, daytime telephone number, and a description of the problem.
Bose Service Agency, or 3. Return product personally with proof of purchase from an authorized Bose dealer directly to the Bose organization in your country. If you elect to return the product directly to a Bose organization, A. Contact the Bose organization in your country for specific return and shipping B.
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