Bose A20 Aviation With Bluetooth Owners Guide
Bose A20 Aviation With Bluetooth Manual
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Bose A20 Aviation With Bluetooth manual content summary:
- Bose A20 Aviation With Bluetooth | Owners Guide - Page 1
Bose® A20® Aviation Headset Owner's Guide - Bose A20 Aviation With Bluetooth | Owners Guide - Page 2
problem persists, see Troubleshooting on page 31. • Switch to an alternate communications method in the event of a headset issue. In the unlikely event of any headset use with the Bose® A20® Aviation Headset. • Make sure AUX source volume is turned up. If the AUX source audio volume is set at a low - Bose A20 Aviation With Bluetooth | Owners Guide - Page 3
Bose A20 Aviation Headset control module. • Keep batteries out of reach of children. • Do not repair the headset Bose Technical Support. See "Contact information" on page 42. If the screen gets wet or any foreign objects become lodged on or adjacent to it, follow the instructions in "Headset set - Bose A20 Aviation With Bluetooth | Owners Guide - Page 4
service O Cables X Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Bose Corporation is under license. Bose Corporation Headquarters: 1-877-230-5639 © 2021 Bose guide. Now is a good time to register your Bose product. You can easily do - Bose A20 Aviation With Bluetooth | Owners Guide - Page 5
Contents Introduction 7 About your Bose® A20® Aviation Headset 7 Our commitment to you...7 What's included...7 Components...8 Control module variations 9 Power and cable variations 10 Preparing the Headset for Use 11 The microphone assembly...11 Attaching the microphone assembly 11 The battery - Bose A20 Aviation With Bluetooth | Owners Guide - Page 6
device 24 Clearing the headset pairing list 24 Controlling Bluetooth volume 24 Secondary audio modes...25 Secondary Audio Mode selector 25 Managing multiple secondary sources 26 Setting the Priority (BT-AUX) switch 26 Headset Care and Maintenance 27 Instructions for continued airworthiness - Bose A20 Aviation With Bluetooth | Owners Guide - Page 7
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 With Bluetooth | Owners Guide - Page 8
on page 9 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 "Power and cable variations" on page 10. Warning: *Replace batteries with alkaline batteries only. Do not use - Bose A20 Aviation With Bluetooth | Owners Guide - Page 9
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 button Secondary Audio Mode - Bose A20 Aviation With Bluetooth | Owners Guide - Page 10
Introduction Power and cable variations The Bose® A20® Aviation Headset is available for purchase in different standard aircraft connector options, including: Battery powered options Operate with battery power only Dual G/A U174 U384 Dual powered options Operate with either aircraft or battery - Bose A20 Aviation With Bluetooth | Owners Guide - Page 11
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, you can attach it - Bose A20 Aviation With Bluetooth | Owners Guide - Page 12
for Use The battery compartment The headset is shipped with factory-set operation defaults. If you want to 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 - Bose A20 Aviation With Bluetooth | Owners Guide - Page 13
setting, and purpose for each operation switch. Operation Switch Purpose PRIORITY (Available for Bluetooth® headsets only) INTERCOM (Available for headset configurations that support you stop using the headset. When the headset is running on battery power and is not plugged in to a powered - Bose A20 Aviation With Bluetooth | Owners Guide - Page 14
page 36. Note: An adapter is available from Bose to convert a 6-pin connector to a dual G/A or U174 plug for additional connection flexibility for users who fly multiple aircraft and require other connector types. To connect the headset Align the 6-pin plug to the connector keyway by matching the - Bose A20 Aviation With Bluetooth | Owners Guide - Page 15
the connector out will damage the cable and/or the aircraft instrument panel. Pull sleeve back, then pull plug out Sleeve Using the dual general aviation plugs The most common battery powered (only) version of the headset has two general aviation (G/A) plugs that connect to the aircraft audio - Bose A20 Aviation With Bluetooth | Owners Guide - Page 16
. If 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 27 for instructions on removing - Bose A20 Aviation With Bluetooth | Owners Guide - Page 17
the talk side of the 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 - Bose A20 Aviation With Bluetooth | Owners Guide - Page 18
Off Intercom only Power button Action Turn on the headset Turn off the headset Dim the power and Bluetooth indicators 18 - English Left/Right Intercom Volume controls Power indicator Power button Bluetooth Volume Up button Bluetooth Volume Down button Auxiliary (AUX) audio input Secondary Audio - Bose A20 Aviation With Bluetooth | Owners Guide - Page 19
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 Noise Cancelling® off, volume control will be set to the maximum level. Caution: Avoid setting the volume levels too high. Exposure to loud - Bose A20 Aviation With Bluetooth | Owners Guide - Page 20
cable to connect your external audio device. Plug one end of the adapter cable into the headphone plug on your device and the opposite end into the headset position. Bluetooth® audio sources (wireless) If you purchased the Bluetooth control module version, you can wirelessly connect your headset to - Bose A20 Aviation With Bluetooth | Owners Guide - Page 21
This will only happen the first time you turn on the headset. 3. Locate the Bluetooth menu on your device and make sure the Bluetooth feature is ON. 4. Select Bose A20 from the Bluetooth device list. Bose A20 The Bluetooth indicator flashes blue while the devices are pairing, and a tone indicates - Bose A20 Aviation With Bluetooth | Owners Guide - Page 22
put the headset into pairing mode. The Bluetooth® indicator flashes purple. Bluetooth indicator Bluetooth multi-function button 2. Locate the Bluetooth menu on your device and make sure the Bluetooth feature is ON. 3. Select Bose A20 from the Bluetooth device list. The Bluetooth indicator flashes - Bose A20 Aviation With Bluetooth | Owners Guide - Page 23
to the mobile 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 - Bose A20 Aviation With Bluetooth | Owners Guide - Page 24
off. Move the device back into range, and press once to reconnect. Disconnecting a Bluetooth device • On the headset, press and hold off. for 5 seconds to turn the Bluetooth feature • On your device, turn the Bluetooth feature off. • Move the Secondary Audio Mode selector to the OFF position - Bose A20 Aviation With Bluetooth | Owners Guide - Page 25
® Note: If you switch to OFF mode while power is connected to a Bluetooth source, disconnected, you many need to re-establish your and all Bluetooth connection the next time antennae are you turn on the headset. disabled. Note: Only one secondary source can be heard at a time. Audio - Bose A20 Aviation With Bluetooth | Owners Guide - Page 26
Managing multiple secondary sources The headset can connect one AUX (wired) source and up to two Bluetooth® (wireless) sources at a OFF 2. Set the switch to the correct source (BT or AUX) as shown below. Bluetooth source AUX source When the switch is in the BT position, the Bluetooth source - Bose A20 Aviation With Bluetooth | Owners Guide - Page 27
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 require periodic replacement. If cleaning or replacement of these items is needed, - Bose A20 Aviation With Bluetooth | Owners Guide - Page 28
, repair, or clean this component. Located inside the earcup, the inner screen is critical to proper headset operation. If the screen appears to be damaged or worn out, contact Bose. If the inner screen becomes damp from environmental moisture such as light rain, dew, perspiration, or condensation - Bose A20 Aviation With Bluetooth | Owners Guide - Page 29
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 severe temperature extremes such as parking your airplane outside in severe cold or heat. • Put excess strain on the cushions because of improper storage - Bose A20 Aviation With Bluetooth | Owners Guide - Page 30
to give the maximum level of comfort to your headset. Bose recommends that you replace the cushion after regular assembly or terminator cover replacement Replace the microphone assembly or terminator cover as described in "Attaching the microphone assembly" on page 11. Storage • Store the headset - Bose A20 Aviation With Bluetooth | Owners Guide - Page 31
to do" instructions in the right column. If the problem persists, contact Bose using the contact information on page 42 of this guide for assistance. Warning: Do not attempt to disassemble or service the inside of the earcups or other parts of the headset. Only the boom microphone cable, access - Bose A20 Aviation With Bluetooth | Owners Guide - Page 32
Troubleshooting Problem What to do Low volume of incoming communications • On the control module, make sure the volume controls are not set too low. See "Intercom volume controls" on page 19. • On the intercom/radio, make sure the volume controls are not set too low. • Inside the battery - Bose A20 Aviation With Bluetooth | Owners Guide - Page 33
Troubleshooting Problem What to do Squealing or whistling sound when the headset is turned on Low rumbling sound with the headset turned on in a quiet environment • Make sure the headset orientation is correct. Use the Left (L) and Right (R) markings above the earcups to orient the headset - Bose A20 Aviation With Bluetooth | Owners Guide - Page 34
are heard as mixed with the intercom audio. To mute the AUX source, 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 to use the device's mic - Bose A20 Aviation With Bluetooth | Owners Guide - Page 35
feature is on. • On your device, delete BOSE A20 from the Bluetooth device list. Then try pairing again. Auto on Problem Headset does not turn on automatically What to do • Inside the battery compartment, make sure the Auto On (ON-OFF) switch is set to ON. See "The operation switches" on page - Bose A20 Aviation With Bluetooth | Owners Guide - Page 36
panel connector is part of the optional 6-pin wiring harness assembly. Visit www.Bose.com or www.global.Bose.com for information or purchase. Warning: The aircraft panel existing jacks intact for use with conventional headsets. This is usually the fastest installation method. 36 - English - Bose A20 Aviation With Bluetooth | Owners Guide - Page 37
an audio system using transformer-coupled audio outputs. Contact Bose Technical Support, using the contact information on page 39 for details. gnd) Headphone - Jack Existing PTT switch and wiring (no connection to Bose headset) Tip (phone audio) Barrel (audio gnd) Stereo connection diagram 10- - Bose A20 Aviation With Bluetooth | Owners Guide - Page 38
. 6 White/Blue MIC LO: Microphone/Lo-ground. Connect to the portion of the microphone jack that corresponds to the barrel position of a headset microphone plug. Note: If the microphone works on radio transmit but not through the intercom, check pin 6. It may be incorrectly wired to the PTT - Bose A20 Aviation With Bluetooth | Owners Guide - Page 39
Headset weight Headset size range Control module dimensions Temperature and Altitude (Category A) Bluetooth wireless hours in typical general aviation aircraft noise. Duration varies with battery age, ambient noise levels, temperature, ear cushion seal, and use of the Bluetooth feature. Operating: - Bose A20 Aviation With Bluetooth | Owners Guide - Page 40
The Bose® A20® Aviation Headset that are approved to TSO and ETSO C139 are appropriately marked. The product interface, cables, and the responsibility of those installing this article either on or within a specific type or class of aircraft to determine that the aircraft installation conditions - Bose A20 Aviation With Bluetooth | Owners Guide - Page 41
Locating the headset serial number Your Bose® A20® Aviation Headset is identified by a unique headset serial number located on the underside of the headband and underneath the headband cushion. Reference this serial number when you register your product or contact Bose for technical support. Be sure - Bose A20 Aviation With Bluetooth | Owners Guide - Page 42
: Bluetooth technology or conventional module - Specify: Connector type • Ear cushion kit • Headband cushion kit • Carrying case • Microphone windscreen • Clothing clip • Earcup access cover • 6-pin connector to dual G/A plug cable adapter • 6-pin connector to U174 plug cable adapter • Service kit - Bose A20 Aviation With Bluetooth | Owners Guide - Page 43
English - 43 - Bose A20 Aviation With Bluetooth | Owners Guide - Page 44
©2021 Bose Corporation, 100 The Mountain Road Framingham, MA 01701-9168 USA AM746706-0050 Rev. 00
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Bose
®
A20
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Aviation Headset
Owner’s Guide