Bose A20 Aviation Owner's guide

Bose A20 Aviation Manual

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  • Bose A20 Aviation | Owner's guide - Page 1
    A20™ AVIATION HEADSET Owner's Guide
  • Bose A20 Aviation | Owner's guide - Page 2
    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
  • Bose A20 Aviation | Owner's guide - Page 3
    9 The operation switches 9 Inserting and replacing the batteries 10 Connecting the headset to the aircraft 11 Using the 6-pin plug 11 Using the dual general aviation plugs 12 Using other plug types 12 USING THE HEADSET 13 Wearing and adjusting the headset 13 Conditions related to fit 13
  • Bose A20 Aviation | Owner's guide - Page 4
    on making the connections 33 TECHNICAL INFORMATION 34 SERVICE AND WARRANTY INFORMATION 36 Locating the headset serial number 36 Warranty period 36 Limited warranty service 36 To return your headset to Bose for repair 36 Contact information 37 Ordering parts and accessories 37 iii
  • Bose A20 Aviation | Owner's guide - Page 5
    on page 6. If your headset is aircraft powered, connect the headset to the aircraft power sources only as described in "Connecting the headset to the aircraft" on page 11. The headset will not operate properly if used with any battery source other than the Bose A20 Aviation Headset control module. 1
  • Bose A20 Aviation | Owner's guide - Page 6
    to make sure you can hear and recognize these sounds when using the Bose® A20™ Aviation Headset while operating any aircraft. Using audio sources When listening to in-flight entertainment, or a portable audio source through a Bose A20 Aviation Headset, be sure to limit the volume to safe levels that
  • Bose A20 Aviation | Owner's guide - Page 7
    attempt to remove, replace, or repair this screen. If screen replacement seems necessary, contact Bose® Technical Support. See "Contact information" on page 37. If the screen gets wet or any foreign objects become lodged on or adjacent to it, follow the instructions in "Headset Care and Maintenance
  • Bose A20 Aviation | Owner's guide - Page 8
    noise reduction and provides a more comfortable fit, without compromising the clear audio you expect from Bose. Plus, it offers auxiliary audio input and is available with Bluetooth® wireless technology. What's included Each Bose A20 Aviation Headset is supplied with a control module, cable, and
  • Bose A20 Aviation | Owner's guide - Page 9
    15 Tab 8, 16 INTRODUCTION What's in the carton Headset assembly: Accessories: Headphones Carrying case Clothing clip Control module See "Control module variations" on page 6 for options. 2 AA Alkaline batteries Second clothing clip 3.5 mm adapter cable Cable connector (varies) Note: Cable
  • Bose A20 Aviation | Owner's guide - Page 10
    switch: Top Intercom prioritized Middle Intercom mixed Bottom Intercom only Left/Right volume controls* Power indicator Power button Bluetooth Volume Up button Bluetooth Volume Down button Auxiliary (AUX) audio input *Control the intercom volume Audio Priority switch: Top Intercom prioritized
  • Bose A20 Aviation | Owner's guide - Page 11
    INTRODUCTION Power and cable variations The Bose® A20™ Aviation Headset is available for purchase in different standard aircraft connector options to suit pilot needs, including: • Dual G/A • 6-pin install* • 5-pin XLR • U174 * An adapter is available from Bose to convert a 6-pin connector to a dual
  • Bose A20 Aviation | Owner's guide - Page 12
    HEADSET FOR USE English The microphone assembly Your headset may be shipped with the microphone assembly (boom microphone and cable) attached to the left earcup. If your headset is and tighten them. Note: The headset will not work without the access cover installed. CAUTION: Be sure to try the
  • Bose A20 Aviation | Owner's guide - Page 13
    Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 PREPARING THE HEADSET FOR USE The battery compartment The Bose® A20™ Aviation Headset is shipped with factory-set operation defaults. If you want to alter these defaults, you can change the operation switches located inside the
  • Bose A20 Aviation | Owner's guide - Page 14
    Note: To use the headset when unplugged from the intercom to listen to auxiliary input audio or as a Bluetooth® wireless technology-enabled headset to make or receive calls, we recommend you disable the Auto Off feature for uninterrupted functionality. Inserting and replacing the batteries CAUTION
  • Bose A20 Aviation | Owner's guide - Page 15
    HEADSET FOR USE Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be configured to either plug into aircraft power or rely entirely on battery power. Using the connector. CAUTION: Do not pull the connector out without first pulling back the sleeve. Forcing the connector out
  • Bose A20 Aviation | Owner's guide - Page 16
    fit into one of the jacks. Then insert the thinner microphone plug into the other jack. Microphone Intercom/Audio Using other plug types The Bose® A20™ Aviation Headset is also available with other types of plugs for connecting to various aircraft audio jacks. These single-plug connectors should
  • Bose A20 Aviation | Owner's guide - Page 17
    the problem persists, contact Bose® Technical Support for assistance. Conditions related to fit A low rumbling sound or frequent, brief losses of Acoustic Noise Cancelling noise reduction may indicate an improper fit or blocked earcup ports. See "Headset earcup openings" on page 23 for instructions
  • Bose A20 Aviation | Owner's guide - Page 18
    microphone is facing your lips. Do not purse your lips. Clothing clips The control module cable is fitted with two clothing clips. Use the clips to attach the headset cable to your clothing, a safety harness, or an aircraft door pocket. Press to open clip Press to release and reposition clip along
  • Bose A20 Aviation | Owner's guide - Page 19
    Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Using the control module Use the control module to control the headset functions. There are two variations of the module; one featuring Bluetooth® wireless technology and one that has basic functions only
  • Bose A20 Aviation | Owner's guide - Page 20
    , ear cushion condition, use of the Bluetooth feature, and age of the batteries. The power indicator changes color to indicate the power status, as follows: Indicator color Green Green Amber Red Off Power source Type of light Indicates Aircraft Battery Battery Battery None Slow flashing Power
  • Bose A20 Aviation | Owner's guide - Page 21
    14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Auxiliary (AUX) audio input The Bose® A20™ Aviation Headset provides a /1 8 inch (3.5 mm) AUX audio input that allows you to use your headset with an external audio source such as a portable GPS or a portable audio device. The connector is
  • Bose A20 Aviation | Owner's guide - Page 22
    13 Tab 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET Multifunction/Audio priority switch The multifunction/audio priority switch has position, only intercom audio is active. Note: On the Bluetooth® control module, when a Bluetooth wireless technology call is present, the audio from the call
  • Bose A20 Aviation | Owner's guide - Page 23
    14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Using the headset with a Bluetooth®-enabled phone Pairing the headset with your phone Pairing entails having the Bose A20 Aviation Headset in pairing mode, setting your Bluetooth-enabled phone to "discover" the headset, then confirming the connection on the
  • Bose A20 Aviation | Owner's guide - Page 24
    Note: The Bose A20 Aviation Headset will automatically exit pairing mode after five minutes of inactivity. Bluetooth® indicator light status The Bluetooth indicator is a blue light on the control module. It shows the status of Bluetooth functions, as follows: Appearance Indication Flashes slowly
  • Bose A20 Aviation | Owner's guide - Page 25
    increases or decreases the volume of the mobile phone that is paired to the Bose® A20™ Aviation Headset. The Bluetooth volume control is located on the right side of the control module. You can only adjust the Bluetooth technology volume during an active phone call. To change the volume, press the
  • Bose A20 Aviation | Owner's guide - Page 26
    press the Bluetooth function button. To answer a call Briefly press the Bluetooth function button. You should hear a short beep in the headphones before you To use the headset when unplugged from the intercom to listen to auxiliary input audio, or as a standalone Bluetooth technology headset to make
  • Bose A20 Aviation | Owner's guide - Page 27
    15 Tab 8, 16 HEADSET CARE AND MAINTENANCE Instructions for continued airworthiness Bose recommends following the general care and maintenance instructions in this guide. With normal use, items such as windscreens and ear cushions may require periodic replacement. If cleaning or replacement of these
  • Bose A20 Aviation | Owner's guide - Page 28
    of water and a mild detergent. 3. Allow the cushion to air dry, then reattach. Replacing parts Through normal use, parts like windscreens and ear cushions may require periodic replacement. Replacement parts can be ordered directly from Bose Corporation. Please refer to "Contact information" on page
  • Bose A20 Aviation | Owner's guide - Page 29
    12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 HEADSET CARE AND MAINTENANCE Ear cushion replacement As a general rule, ear cushions should be replaced every six months or every 350 hours of use, depending on how often you fly. You may have to replace them more often, if you: • Have a full beard or heavy
  • Bose A20 Aviation | Owner's guide - Page 30
    14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English HEADSET CARE AND MAINTENANCE Headband cushion replacement The headband cushion is designed to give the maximum level of comfort to your headset. Bose recommends that you replace the cushion after regular care and maintenance fails to restore the wool
  • Bose A20 Aviation | Owner's guide - Page 31
    37 of this guide for assistance. CAUTION: Do not attempt to disassemble or service the inside of the earcups or other parts of the headset. Only the boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are replaceable by the user. For instructions on how to
  • Bose A20 Aviation | Owner's guide - Page 32
    are no air gaps around the ear cushion seals. If ear cushions appear worn, they should be replaced. Refer to "Ear cushion replacement" on page 25. Squealing or whistling sound when the headset is turned on. 28 • Ensure the headset orientation is correct. Use the Left (L) and Right (R) markings
  • Bose A20 Aviation | Owner's guide - Page 33
    or vacuum debris. • Inspect the seal between the ear cushion skirt and the earcup. The skirt should fit into the slot on the earcup with no gaps. Replace any cushions that appear to be worn out. • Ensure the headset orientation is correct. Use the Left (L) and Right (R) markings above the earcups
  • Bose A20 Aviation | Owner's guide - Page 34
    13 Tab 4, 12 Tab 3, 11 Tab2, 10 English TROUBLESHOOTING Problem What to do Cannot hear communications while listening to audio from AUX input or AUX input does not mute with incoming communications. • Check headset prioritization settings. Refer to "Multifunction/ Audio priority switch" on page
  • Bose A20 Aviation | Owner's guide - Page 35
    The aircraft panel connector is part of the optional 6-pin wiring harness assembly. Visit Bose.com or Global.Bose.com for information or microphone wires should be connected to the back of the existing microphone and headphone jacks, leaving existing jacks intact for use with conventional headsets.
  • Bose A20 Aviation | Owner's guide - Page 36
    Contact the Bose® Technical Support, using the contact information on page 37 of this guide for details. Mono connection diagram 10-32 V DC 1/2A RED BLK WHT BLK/WH BLU WHT WHT/BLU BLK/WH Microphone - Jack 1V+IN 2 GND 3 COMM L 4 COMM R 5 MIC HI 6 MIC LO Ring (audio) Existing wiring to aircraft
  • Bose A20 Aviation | Owner's guide - Page 37
    Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 INSTALLATION Helicopter (U174) connection diagram Existing wiring to helicopter intercom/ audio panel WHT/BLU 6 WHT 5 BLU 4 WHT 3 BLK below: Pin number Color Purpose 1 Red V+IN: Headset power (10-32 VDC). Use a /1 4 amp fuse or a /1 2
  • Bose A20 Aviation | Owner's guide - Page 38
    technology Bluetooth technology QD ID 1.5" (38.1mm) H x 1.5" (38.1mm) W x 4.92" (125mm) D Operating: 5 to 131°F (-15 to 55°C) Storage: -67 to 158°F (-55 to 70°C) Altitude: 15,000 feet maximum pressure altitude for full cancellation Hands-free profile, Bluetooth 2.1 Bose® A20™ Aviation Headset
  • Bose A20 Aviation | Owner's guide - Page 39
    Tab 8, 16 TECHNICAL INFORMATION FAA Technical Standards Order The Bose® A20™ Aviation Headset, its interface, cables, and microphones are FAA approved to article either on or within a specific type or class of aircraft to only if performed under 14 CFR part 43 or the applicable airworthiness
  • Bose A20 Aviation | Owner's guide - Page 40
    Bose for technical support. Headband cushion Serial number Be sure to properly reseat the headband cushion by pressing down firmly. For more information on replacing the headband cushion, see Refer to "Headband cushion replacement" on page 26. Warranty period Your Bose A20 Aviation Headset
  • Bose A20 Aviation | Owner's guide - Page 41
    .Bose.com Ordering parts and accessories The following accessories and customer-replaceable parts can be purchased directly from Bose. See the contact information above. • Additional control module cable - Specify: Bluetooth® technology or conventional module - Specify: connector type • Ear cushion
  • Bose A20 Aviation | Owner's guide - Page 42
    Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English 38
  • Bose A20 Aviation | Owner's guide - Page 43
    English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc., and any such use by Bose Corporation is under license. All other marks are property of Bose Corporation. 39
  • Bose A20 Aviation | Owner's guide - Page 44
    ©2010 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM325453 Rev.06
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Owner’s Guide