Bose A20 Aviation 2015-present Owner's guide

Bose A20 Aviation 2015-present Manual

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  • Bose A20 Aviation 2015-present | Owner's guide - Page 1
    Bose® A20® Aviation Headset Owner's Guide
  • Bose A20 Aviation 2015-present | Owner's guide - Page 2
    read this guide Please read this owner's guide carefully. Save this guide for in the passive noise reducing mode. If the problem persists, see Troubleshooting on page 30. • S witch to an of this product, contact your local municipality, disposal service, or the shop where you bought this product.
  • Bose A20 Aviation 2015-present | Owner's guide - Page 3
    or other repair seems necessary, contact Bose Technical Support. See "Contact information" on page 39. If become lodged on or adjacent to it, follow the instructions in "Headset Care and Maintenance" on page 25. you keep your receipt with this owner's guide. The Bluetooth® word mark and logos are
  • Bose A20 Aviation 2015-present | Owner's guide - Page 4
    Contents Introduction 6 About your Bose® A20® Aviation Headset 6 Our commitment to you...6 What's included...6 Components...7 Control module variations 8 Power and cable variations 9 Preparing the headset for use 10 The microphone assembly...10 Attaching the microphone assembly 10 The battery
  • Bose A20 Aviation 2015-present | Owner's guide - Page 5
    switch 25 Headset care and maintenance 26 Instructions for continued airworthiness 26 Cleaning the headset replacement 29 Storage...29 Troubleshooting 30 Installation 35 Mounting Warranty and service information 40 Locating the headset serial number 40 Limited warranty service...40 Contact
  • Bose A20 Aviation 2015-present | Owner's guide - Page 6
    Introduction About your Bose® A20® Aviation Headset With the Bose® A20® Aviation Headset, you can rely on crisp, clear audio and ­significant noise reduction for all cockpit communications. You can also connect the headset to secondary audio sources such as smartphones or tablets. Our commitment to
  • Bose A20 Aviation 2015-present | Owner's guide - Page 7
    Components Headset Introduction Carrying case Clothing clip Control module See "Control module variations" on page 8 for options 2 AA alkaline batteries* Second clothing clip 3.5 mm AUX audio cable Cable connector (varies) Note: Cable connector types will vary based on model of headset. See
  • Bose A20 Aviation 2015-present | Owner's guide - Page 8
    Introduction Control module variations If you purchased the Bluetooth version of the headset, you received the Bluetooth control module. If not, you received the conventional control module. Bluetooth® control module Conventional control module Bluetooth indicator Bluetooth multi-function
  • Bose A20 Aviation 2015-present | Owner's guide - Page 9
    a dual G/A or U174 plug for additional connection flexibility. Note: Many different combinations of control module, microphone, connector and cable types are available. Contact Bose Technical Support for more i­nformation. English - 9
  • Bose A20 Aviation 2015-present | Owner's guide - Page 10
    Preparing the Headset for Use The microphone assembly Your headset may be shipped with the microphone assembly (boom microphone and cable) attached to the left earcup. If you prefer, you can switch it to the right earcup. If your headset is shipped with the microphone assembly packed separately,
  • Bose A20 Aviation 2015-present | Owner's guide - Page 11
    On feature is only available for aircraft powered versions. • The Intercom (MON-ST) option is only available for headset configurations that support two-channel or ­stereo intercom systems. • The Priority (BT-AUX) ­option is only available for ­Bluetooth headsets. Changing the operation switches
  • Bose A20 Aviation 2015-present | Owner's guide - Page 12
    ­headsets only) INTERCOM (Available for headset configurations that support two-channel or ­stereo intercom systems only) AUTO ON Off, set the switch to OFF. With the switch in OFF position, the user must manually turn the headset off. Auto On With aircraft powered versions (5-pin XLR, 6-pin, and
  • Bose A20 Aviation 2015-present | Owner's guide - Page 13
    Preparing the Headset for Use Inserting and replacing the batteries Caution: If the batteries do not fit correctly, do not force them in. Forcing an ­improper connection will cause permanent damage to the control ­module. 1. Turn off headset power. 2. Press down firmly on the battery compartment
  • Bose A20 Aviation 2015-present | Owner's guide - Page 14
    Preparing the Headset for Use To disconnect the headset 1. Pull back on the sleeve near the end of the 6-pin plug. 2. Gently continue pulling back to remove the plug from the connector. Caution: Do not pull the connector out without first pulling back the sleeve. Forcing the connector out will
  • Bose A20 Aviation 2015-present | Owner's guide - Page 15
    the problem persists, contact Bose Technical Support. 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 26 for instructions
  • Bose A20 Aviation 2015-present | Owner's guide - Page 16
    Using the Headset Microphone placement Microphone placement is important for clear communications. With the headset on your head, make these adjustments: 1. Grasp the boom with your fingers and move the microphone up or down so it is level with your mouth. 2. Pull the microphone in toward your lips
  • Bose A20 Aviation 2015-present | Owner's guide - Page 17
    Using the Headset Using the control module If you purchased the Bluetooth® version of the headset, you received the Bluetooth control module. If not, you received the conventional control module. Bluetooth® control module Conventional control module Bluetooth indicator Bluetooth multi-function
  • Bose A20 Aviation 2015-present | Owner's guide - Page 18
    Using the Headset Power indicator New alkaline AA batteries will generally supply at least 45 hours of power for the headset. Battery life varies with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth® feature, and age of the batteries. The power
  • Bose A20 Aviation 2015-present | Owner's guide - Page 19
    Using the Headset Primary and secondary audio sources The aircraft intercom system (ICS) is always the headset's primary audio source. When the headset is plugged in to the aircraft, intercom signals will always be heard and cannot be muted by the headset. In addition to the primary source (
  • Bose A20 Aviation 2015-present | Owner's guide - Page 20
    Using the Headset Using the headset with a Bluetooth® device Pairing the first device 1. Press to turn on the headset. 2. Make sure the Secondary Audio Mode selector is in the MUTE or MIX position (not OFF). MUTE MIX The power indicator glows green or yellow, depending on the charge level of the
  • Bose A20 Aviation 2015-present | Owner's guide - Page 21
    Using the Headset Pairing another device The headset can pair with up to eight devices. To pair another device: 1. Press and hold for one second to put the headset into pairing mode. The Bluetooth® indicator flashes purple. Bluetooth indicator Bluetooth multi-function button 2. Locate the
  • Bose A20 Aviation 2015-present | Owner's guide - Page 22
    phone handset while the Bluetooth® connection remains active. Note: Some functions may not be available for some devices. Refer to your device user's guide for further details. Note: If you are on a call and unplugged from the intercom, the headset will allow you to complete your call, then
  • Bose A20 Aviation 2015-present | Owner's guide - Page 23
    Using the Headset Reconnecting to a previously connected device Each time you turn on the Bluetooth feature, the headset will attempt to r­econnect with the two most recently connected Bluetooth® devices. 1. Turn the headset on. 2. Make sure the Bluetooth indicator is flashing blue. If not, press .
  • Bose A20 Aviation 2015-present | Owner's guide - Page 24
    Using the Headset Secondary audio modes If you have connected one or more secondary audio sources to the headset, you must decide how you want to hear those secondary sources. To select how you will hear your secondary audio sources, use the Secondary Audio Mode selector on the control module.
  • Bose A20 Aviation 2015-present | Owner's guide - Page 25
    Using the Headset Managing multiple secondary sources The headset can connect one AUX (wired) source and up to two Bluetooth® (­wireless) sources at a time. If you are likely to receive important information from a particular secondary source (such as a GPS or a warning system), you can assign
  • Bose A20 Aviation 2015-present | Owner's guide - Page 26
    Bose recommends following the general care and maintenance instructions in this guide. With normal use, items such as windscreens the headset is immersed in liquid, do not use it. Contact Bose Technical Support for assistance. Cleaning the headset General cleaning Gently wipe the outside surfaces of
  • Bose A20 Aviation 2015-present | Owner's guide - Page 27
    Headset Care and Maintenance Microphone windscreen Remove the windscreen from the microphone as described in "Microphone ­windscreen replacement" below. Rinse and air dry the windscreen. Make sure the windscreen is completely dry, then reattach. Earcup inner screen Do not attempt to remove, replace
  • Bose A20 Aviation 2015-present | Owner's guide - Page 28
    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 whiskers. • Subject the headsets to
  • Bose A20 Aviation 2015-present | Owner's guide - Page 29
    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 pile to its original size and shape. To replace
  • Bose A20 Aviation 2015-present | Owner's guide - Page 30
    Troubleshooting Look for the problem in the left column of the table, then follow the "What to do" instructions in the right column. If the problem persists, contact Bose using the contact information on page 41 of this guide for assistance. Warning: Do not attempt to disassemble or service the
  • Bose A20 Aviation 2015-present | Owner's guide - Page 31
    Troubleshooting Problem What to do Low volume of incoming ­communications • will play audio on both sides. U174 and 5-pin XLR plugs are mono audio only. Audio Problem Reduced Acoustic Noise Cancelling® noise reduction, intermittent clicking sounds, or communication distortion in a loud
  • Bose A20 Aviation 2015-present | Owner's guide - Page 32
    Troubleshooting Problem What to do Squealing or whistling sound when the headset is turned the seal. • If the squealing or whistling sound persists, turn off the power switch and contact Bose for service as soon as possible. • Adjust the earcup fit to create a better seal on your head. The low
  • Bose A20 Aviation 2015-present | Owner's guide - Page 33
    Troubleshooting AUX audio source Problem No audio from AUX source Audio in one ear only from set the switch to MUTE or OFF. Cannot be heard on a phone call • The headset does not support microphone operation when connected to a device via the AUX audio cable. Hold the device closer to your mouth
  • Bose A20 Aviation 2015-present | Owner's guide - Page 34
    Troubleshooting Bluetooth® audio source Problem No audio from the Bluetooth make sure the Secondary Audio Mode selector is in the MUTE or MIX position. • Follow the instructions in "Pairing the first device" on page 20. • Delete BOSE A20 from your device's turn off, contact Bose Technical Support.
  • Bose A20 Aviation 2015-present | Owner's guide - Page 35
    is qualified to perform this type of avionics installation for the aircraft you are using. Mount the connector into a cutout, using the diagrams below as a guide. 12.5mm .49" Receptacle - Pinout (front view) Pin 6 14.0mm .55" Pin 1 Aircraft Interface Schematic RED BLK WHT BLK/WH BLU WHT WH/BLU
  • Bose A20 Aviation 2015-present | Owner's guide - Page 36
    internal solder joints. Note: The aircraft panel connector cannot be installed in an audio system using transformer-coupled audio outputs. Contact Bose Technical Support, using the contact information on page 39 for details. Mono connection diagram 10-32 V DC 1/2A RED BLK WHT BLK/WH BLU WHT
  • Bose A20 Aviation 2015-present | Owner's guide - Page 37
    Helicopter (U174) connection diagram WHT/BLU 6 MIC LO WHT 5 MIC HI BLU 4 COMM R WHT BLK 10-32 RED V DC 1/2A 3 2 1 COMM L GND V+IN Existing single 4prong jack Existing wiring to helicopter intercom/ audio panel Barrel (audio gnd) Technical Information Note: Barrel ground (gnd) refers to
  • Bose A20 Aviation 2015-present | Owner's guide - Page 38
    Technical Information Headphone Impedance Frequency response Microphone (Electret) Microphone (Dynamic) Maximum ambient noise level Power source Voltage Battery life Current Fuse/breaker recommended Headset weight Headset size range Control module dimensions Temperature and Altitude (Category A)
  • Bose A20 Aviation 2015-present | Owner's guide - Page 39
    Technical Information FAA Technical Standards Order The Bose® A20® Aviation Headset that are approved to TSO and ETSO C139 are appropriately marked. The product interface, cables, and microphones have been designed to function in or withstand exposure to the following environmental conditions:
  • Bose A20 Aviation 2015-present | Owner's guide - Page 40
    your product or contact Bose for technical support. Be sure to properly reseat the www.Bose.co.nz/warranty for details. Limited warranty service To return your headset to Bose for repair Return your country/region) for specific return and shipping instructions; 2. Label and ship the product, freight
  • Bose A20 Aviation 2015-present | Owner's guide - Page 41
    Service and Warranty Information Contact information Contact Bose for: • Spare parts and accessories • Technical advice • Installation information • Warranty and repair information In North America: Bose Technical Support 145 Pennsylvania Avenue Framingham, MA 01701-9168 USA TEL: 1-800-233-4416 (US
  • Bose A20 Aviation 2015-present | Owner's guide - Page 42
  • Bose A20 Aviation 2015-present | Owner's guide - Page 43
  • Bose A20 Aviation 2015-present | Owner's guide - Page 44
    ©2015 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM746706 Rev. 01
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Bose
®
A20
®
Aviation Headset
Owner’s Guide