User Manual
Table Of Contents
- About your Bose® A20® Aviation Headset
- Components
- Preparing the Headset for Use11
- The battery compartment
- Connecting the headset to the aircraft
- Wearing and adjusting the headset
- Using the control module
- Primary and secondary audio sources
- AUX audio sources (wired)
- Bluetooth® audio sources (wireless)
- Using the headset with a Bluetooth® device
- Pairing the first device
- Pairing another device
- Switching between connected devices
- Bluetooth multi-function button
- Making and answering calls
- Reconnecting to a previously connected device
- Recovering a lost connection
- Disconnecting a Bluetooth device
- Clearing the headset pairing list
- Controlling Bluetooth volume
- Using the headset with a Bluetooth® device
- Secondary audio modes
- Cleaning the headset
- Instructions for continued airworthiness
- Managing multiple secondary sources
- Ordering parts and accessories
- Contact information
- Limited warranty
- Locating the headset serial number
- Mounting the aircraft panel connector
- Replacing parts
- Microphone windscreen
Regulatory Information
4 - English
Date of Manufacture: The eighth digit in the serial number indicates the year of manufacture; “8” is 2008 or 2018.
China Importer: Bose Electronics (Shanghai) Company Limited, Part C, Plan 9, No. 353 North Riying Road, China (Shanghai) Pilot
Free Trade Zone
EU Importer: Bose Products B.V., Gorslaan 60, 1441 RG Purmerend, The Netherlands
Taiwan Importer: Bose Taiwan Branch, 9F-A1, No.10, Section 3, Minsheng East Road, Taipei City 104, Taiwan
Phone Number: +886-2-2514 7676
Mexico Importer: Bose de México, S. de R.L. de C.V. , Paseo de las Palmas 405-204, Lomas de Chapultepec, 11000 México, D.F.
Phone Number: +5255 (5202) 3545
Operate this product within the temperature range of 5°F to 131°F (-15°C to 55°C) only.
The 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
© 2018 Bose Corporation. No part of this work may be reproduced, modied, distributed or otherwise used without prior
written permission.
Please complete and retain for your records
The serial and model numbers are located <location>.
Serial number: _______________________________________________________________________________________
Model number: _______________________________________________________________________________________
Please keep your receipt with your owner’s guide. Now is a good time to register your Bose product.
You can easily do this by going to http://global.Bose.com/register