Quick reference guide
Page 1
...you 've activated or are trying to pair a headset that the headset is in unison. **Controls the intercom volume. **For additional information on using the headset with a mobile phone, complete use instructions, and important safety information, refer to the supplied Bose A20 Aviation Headset Owner's Guide. Set your Bluetooth mobile phone 1. ... Auxiliary (AUX) audio input Audio Priority switch: Top Intercom prioritized Middle Intercom mixed Bottom Intercom only Pairing the Headset with your phone to "discover" the Bose A20 Aviation Headset Select "BOSE A20" on the phone.** 4.
...you 've activated or are trying to pair a headset that the headset is in unison. **Controls the intercom volume. **For additional information on using the headset with a mobile phone, complete use instructions, and important safety information, refer to the supplied Bose A20 Aviation Headset Owner's Guide. Set your Bluetooth mobile phone 1. ... Auxiliary (AUX) audio input Audio Priority switch: Top Intercom prioritized Middle Intercom mixed Bottom Intercom only Pairing the Headset with your phone to "discover" the Bose A20 Aviation Headset Select "BOSE A20" on the phone.** 4.
Quick reference guide
Page 2
... Default: MONO Power indicator The power indicator changes color to indicate the power status, as follows: Indicator color Power source Type of Bose Corporation. ©2010 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM325455 Rev.02 You may need to conserve the remaining power once the battery reaches... Press down firmly on the battery compartment cover and slide the cover down and releasing cover. The operation switches - The Default: ON headset will not turn off until you press and hold the power button for stereo if your aircraft has a stereo intercom.
... Default: MONO Power indicator The power indicator changes color to indicate the power status, as follows: Indicator color Power source Type of Bose Corporation. ©2010 Bose Corporation, The Mountain, Framingham, MA 01701-9168 USA AM325455 Rev.02 You may need to conserve the remaining power once the battery reaches... Press down firmly on the battery compartment cover and slide the cover down and releasing cover. The operation switches - The Default: ON headset will not turn off until you press and hold the power button for stereo if your aircraft has a stereo intercom.
Owner's guide
Page 2
... Safety Instructions • Please read these instructions carefully and completely before using the headset. • Make these instructions when passing the headset on to third parties. • During flight operations, do not use of the Bose® A20™ Aviation Headset. • The headset is in command to Part 15 of producing sound pressure levels exceeding 85dB...
... Safety Instructions • Please read these instructions carefully and completely before using the headset. • Make these instructions when passing the headset on to third parties. • During flight operations, do not use of the Bose® A20™ Aviation Headset. • The headset is in command to Part 15 of producing sound pressure levels exceeding 85dB...
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 Microphone placement 13 Clothing clips 14...
... 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 Microphone placement 13 Clothing clips 14...
Owner's guide
Page 4
... 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English CONTENTS HEADSET CARE AND MAINTENANCE 23 Instructions for continued airworthiness 23 Cleaning the headset 23 General cleaning 23 Headset earcup openings 23 Microphone windscreen 24 Earcup inner screen 24 Headband cushion 24 Replacing parts 24... 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
... 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English CONTENTS HEADSET CARE AND MAINTENANCE 23 Instructions for continued airworthiness 23 Cleaning the headset 23 General cleaning 23 Headset earcup openings 23 Microphone windscreen 24 Earcup inner screen 24 Headband cushion 24 Replacing parts 24... 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
Owner's guide
Page 5
... in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1 Acoustic Noise Cancelling mode is active when the headset control module is in the Acoustic Noise Cancelling mode. The headset is powered on page 6. The headset will automatically be... device, it is aircraft powered, connect the headset to fail during operation. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 ADVISORIES Operational advisory The Bose® A20™ Aviation Headset incorporates Acoustic Noise Cancelling® technology.
... in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1 Acoustic Noise Cancelling mode is active when the headset control module is in the Acoustic Noise Cancelling mode. The headset is powered on page 6. The headset will automatically be... device, it is aircraft powered, connect the headset to fail during operation. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 ADVISORIES Operational advisory The Bose® A20™ Aviation Headset incorporates Acoustic Noise Cancelling® technology.
Owner's guide
Page 6
... turn up , while piloting. 2 Volume control Make sure your hearing during extended periods of the communications signal coming into the headset. As pilot in -flight entertainment, or a portable audio source through a Bose A20 Aviation Headset, be sure you can understand critical communications even with your ability to hear informational sounds and warning alarms, such as...
... turn up , while piloting. 2 Volume control Make sure your hearing during extended periods of the communications signal coming into the headset. As pilot in -flight entertainment, or a portable audio source through a Bose A20 Aviation Headset, be sure you can understand critical communications even with your ability to hear informational sounds and warning alarms, such as...
Owner's guide
Page 7
... requirements Proper headset operation requires that the headset TriPort® openings on the earcup are located on the outside of debris. If screen replacement seems necessary, contact Bose® Technical Support. If the screen gets wet or any foreign objects become lodged on or adjacent to... it, follow the instructions in a ventilated area away from direct sunlight. Remove the batteries before storing the headset for extended periods. 3 Storage Store the headset in "Headset ...
... requirements Proper headset operation requires that the headset TriPort® openings on the earcup are located on the outside of debris. If screen replacement seems necessary, contact Bose® Technical Support. If the screen gets wet or any foreign objects become lodged on or adjacent to... it, follow the instructions in a ventilated area away from direct sunlight. Remove the batteries before storing the headset for extended periods. 3 Storage Store the headset in "Headset ...
Owner's guide
Page 8
...Tab 4, 12 Tab 3, 11 Tab2, 10 INTRODUCTION English Congratulations on the options you expect from Bose. The type of a Bose® A20™ Aviation Headset. Your headset falls into one of two general categories: • Dual-powered: Aircraft powered with Bluetooth wireless ...end-plug configuration depends on your headset. What's included Each Bose A20 Aviation Headset is supplied with Bluetooth® wireless technology. Plus, it offers auxiliary audio input and is our most advanced aviation headset yet. The Bose A20 Aviation Headset is available with a control ...
...Tab 4, 12 Tab 3, 11 Tab2, 10 INTRODUCTION English Congratulations on the options you expect from Bose. The type of a Bose® A20™ Aviation Headset. Your headset falls into one of two general categories: • Dual-powered: Aircraft powered with Bluetooth wireless ...end-plug configuration depends on your headset. What's included Each Bose A20 Aviation Headset is supplied with Bluetooth® wireless technology. Plus, it offers auxiliary audio input and is our most advanced aviation headset yet. The Bose A20 Aviation Headset is available with a control ...
Owner's guide
Page 9
See "Power and cable variations" on model of headset. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 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 connector types will vary based on page 7. 5
See "Power and cable variations" on model of headset. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 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 connector types will vary based on page 7. 5
Owner's guide
Page 11
English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 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 G/A plug for additional connection flexibility. Other configurations require the purchase of a cable assembly. 7
English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 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 G/A plug for additional connection flexibility. Other configurations require the purchase of a cable assembly. 7
Owner's guide
Page 12
... fully test its operation before flight. 8 Attach the access cover to either earcup. Note: The headset will not work without the access cover installed. If your headset is shipped with the microphone assembly (boom microphone and cable) attached to the left earcup. Slide the connector into the socket, or ...separately, you want to secure the assembly. 6. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 PREPARING THE HEADSET FOR USE English The microphone assembly Your headset may occur. 5. Also, make sure that does not have the microphone assembly attached.
... fully test its operation before flight. 8 Attach the access cover to either earcup. Note: The headset will not work without the access cover installed. If your headset is shipped with the microphone assembly (boom microphone and cable) attached to the left earcup. Slide the connector into the socket, or ...separately, you want to secure the assembly. 6. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 PREPARING THE HEADSET FOR USE English The microphone assembly Your headset may occur. 5. Also, make sure that does not have the microphone assembly attached.
Owner's guide
Page 13
... force when pressing down . English 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 designed to remain securely closed. If batteries are installed, remove them. Opening the battery compartment You must open the battery...
... force when pressing down . English 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 designed to remain securely closed. If batteries are installed, remove them. Opening the battery compartment You must open the battery...
Owner's guide
Page 14
...the batteries do not fit correctly, do not force them in use a pen or a small, flat-tipped screwdriver to the control module. When the headset is running on battery power only and is not plugged in to preserve battery power. Do not detach the door from an intercom, the...power button for each switch. Forcing an improper connection will alter the accuracy of inactivity. Auto Off functionality The Auto Off feature detects when the headset is an auxiliary input present. Mono/Stereo Mono, Stereo selection Default: MONO Purpose Set at least one second. To disable Auto Off, set ...
...the batteries do not fit correctly, do not force them in use a pen or a small, flat-tipped screwdriver to the control module. When the headset is running on battery power only and is not plugged in to preserve battery power. Do not detach the door from an intercom, the...power button for each switch. Forcing an improper connection will alter the accuracy of inactivity. Auto Off functionality The Auto Off feature detects when the headset is an auxiliary input present. Mono/Stereo Mono, Stereo selection Default: MONO Purpose Set at least one second. To disable Auto Off, set ...
Owner's guide
Page 15
...6, 14 Tab 7, 15 Tab 8, 16 PREPARING THE HEADSET FOR USE Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be installed and mounted to an aircraft panel. Firmly press the plug into the 6-pin connector provides the headset with aircraft power and intercom audio. Pull back on ... Do not pull the connector out without first pulling back the sleeve. Pull sleeve back, then pull plug out Sleeve 11 If your headset is available from the connector. See "Mounting the aircraft panel connector" on the connector. 2. Forcing the connector out will damage the ...
...6, 14 Tab 7, 15 Tab 8, 16 PREPARING THE HEADSET FOR USE Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be installed and mounted to an aircraft panel. Firmly press the plug into the 6-pin connector provides the headset with aircraft power and intercom audio. Pull back on ... Do not pull the connector out without first pulling back the sleeve. Pull sleeve back, then pull plug out Sleeve 11 If your headset is available from the connector. See "Mounting the aircraft panel connector" on the connector. 2. Forcing the connector out will damage the ...
Owner's guide
Page 16
...available with other jack. It will only fit into the appropriate jack on page 7. 12 Microphone Intercom/Audio Using other plug types The Bose® A20™ Aviation Headset is shorter, thinner, and has a slightly different shape than the intercom plug. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab... 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English PREPARING THE HEADSET FOR USE Using the dual general aviation plugs The most common battery powered...
...available with other jack. It will only fit into the appropriate jack on page 7. 12 Microphone Intercom/Audio Using other plug types The Bose® A20™ Aviation Headset is shorter, thinner, and has a slightly different shape than the intercom plug. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab... 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English PREPARING THE HEADSET FOR USE Using the dual general aviation plugs The most common battery powered...
Owner's guide
Page 17
... both for instructions on removing blockages. During a long flight, you put the headset on in Acoustic Noise Cancelling® as the headset compensates for clear communications. If the problem persists, contact Bose® Technical Support for assistance. Your experience with the headset powered on , lightly grasp each ear. • Adjust the headband so it...
... both for instructions on removing blockages. During a long flight, you put the headset on in Acoustic Noise Cancelling® as the headset compensates for clear communications. If the problem persists, contact Bose® Technical Support for assistance. Your experience with the headset powered on , lightly grasp each ear. • Adjust the headband so it...
Owner's guide
Page 18
... lips. Grasp the boom with your mouth. 2. Do not purse your clothing, a safety harness, or an aircraft door pocket. Use the clips to attach the headset cable to release and reposition clip along the cable 14 Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English... USING THE HEADSET 1. Clothing clips The control module cable is facing your fingers and move the microphone up or down so it will be slightly off center, the...
... lips. Grasp the boom with your mouth. 2. Do not purse your clothing, a safety harness, or an aircraft door pocket. Use the clips to attach the headset cable to release and reposition clip along the cable 14 Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English... USING THE HEADSET 1. Clothing clips The control module cable is facing your fingers and move the microphone up or down so it will be slightly off center, the...
Owner's guide
Page 19
English 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 turn off Acoustic Noise Cancelling noise reduction. 15 Bluetooth control module Conventional control module Bluetooth indicator ... brightness. • Press the power button once to turn on Acoustic Noise Cancelling noise reduction. • Press and hold the power button to control the headset functions. one featuring Bluetooth® wireless technology and one that has basic functions only. There are two variations of the module;
English 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 turn off Acoustic Noise Cancelling noise reduction. 15 Bluetooth control module Conventional control module Bluetooth indicator ... brightness. • Press the power button once to turn on Acoustic Noise Cancelling noise reduction. • Press and hold the power button to control the headset functions. one featuring Bluetooth® wireless technology and one that has basic functions only. There are two variations of the module;
Owner's guide
Page 20
...of the corresponding earcup. Even at its lowest setting, neither volume control wheel can completely turn off , volume control will generally supply at the headset control module. Volume control The left earcup. • Use the right wheel to the maximum level. With Acoustic Noise Cancelling® off the... may cause hearing damage. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET • Double-click the power button to dim the power and Bluetooth® wireless technology indicators. To toggle the indicators between dim and bright, rapidly...
...of the corresponding earcup. Even at its lowest setting, neither volume control wheel can completely turn off , volume control will generally supply at the headset control module. Volume control The left earcup. • Use the right wheel to the maximum level. With Acoustic Noise Cancelling® off the... may cause hearing damage. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET • Double-click the power button to dim the power and Bluetooth® wireless technology indicators. To toggle the indicators between dim and bright, rapidly...