Quick reference guide
Page 1
Bose® A20™ Aviation Headset QUICK REFERENCE GUIDE Bluetooth® control module Conventional control module Left/Right volume controls* Power indicator Power button Bii iiiiiiii Bluetooth function button...attempting to pair Bluetooth, the Bluetooth indicator will flash at a slow rate alternating with your phone to "discover" the Bose A20 Aviation Headset Select "BOSE A20" on the control module will need to the supplied Bose A20 Aviation Headset Owner's Guide. If the Bluetooth indicator does not flash alternately with a mobile phone, complete use instructions, and important...
Bose® A20™ Aviation Headset QUICK REFERENCE GUIDE Bluetooth® control module Conventional control module Left/Right volume controls* Power indicator Power button Bii iiiiiiii Bluetooth function button...attempting to pair Bluetooth, the Bluetooth indicator will flash at a slow rate alternating with your phone to "discover" the Bose A20 Aviation Headset Select "BOSE A20" on the control module will need to the supplied Bose A20 Aviation Headset Owner's Guide. If the Bluetooth indicator does not flash alternately with a mobile phone, complete use instructions, and important...
Quick reference guide
Page 2
...to enable the Auto Off function. The operation switches - Auto Off function ON, OFF Set at least one second. 2. 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. With the switch in...: 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 Basic operating information The battery compartment Press down firmly on ...
...to enable the Auto Off function. The operation switches - Auto Off function ON, OFF Set at least one second. 2. 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. With the switch in...: 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 Basic operating information The battery compartment Press down firmly on ...
Owner's guide
Page 2
... equipment off and on page 23 for help. Always include these instructions easily accessible to all users at www.Bose.com/compliance. See "Cleaning the headset" on , the user is capable of explosion if batteries are designed to provide reasonable protection against harmful interference .... - Refer to "Contact information" on to third parties. • During flight operations, do not use of the Bose® A20™ Aviation Headset. • The headset is encouraged to try to determine the suitability of the performance of the FCC Rules. Dispose of each aircraft operator or ...
... equipment off and on page 23 for help. Always include these instructions easily accessible to all users at www.Bose.com/compliance. See "Cleaning the headset" on , the user is capable of explosion if batteries are designed to provide reasonable protection against harmful interference .... - Refer to "Contact information" on to third parties. • During flight operations, do not use of the Bose® A20™ Aviation Headset. • The headset is encouraged to try to determine the suitability of the performance of the FCC Rules. Dispose of each aircraft operator or ...
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
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... 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
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... module is powered on the control module will not operate properly if used in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1 See "Control module variations" on page 11. Symptoms of failure may include loud tones, distortion, and loss of communications signal in the Acoustic ...
... module is powered on the control module will not operate properly if used in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1 See "Control module variations" on page 11. Symptoms of failure may include loud tones, distortion, and loss of communications signal in the Acoustic ...
Owner's guide
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... . Noise reduction and communications performance are reduced with 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 must be sure to limit the volume to turn up , while piloting. 2 Avoid setting the volume controls...
... . Noise reduction and communications performance are reduced with 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 must be sure to limit the volume to turn up , while piloting. 2 Avoid setting the volume controls...
Owner's guide
Page 7
If screen replacement seems necessary, contact Bose® Technical Support. See "Contact information" on or adjacent to it, follow the instructions in a ventilated area away from direct sunlight. Storage Store the headset in "Headset Care and Maintenance" on page 23. English Tab 2, 10 Tab 3, 11 Tab ...Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 ADVISORIES Headset earcup requirements Proper headset operation requires that the headset TriPort® openings on the earcup are located on the outside of debris. The headset TriPort openings are kept free of each earcup and include two holes and ...
If screen replacement seems necessary, contact Bose® Technical Support. See "Contact information" on or adjacent to it, follow the instructions in a ventilated area away from direct sunlight. Storage Store the headset in "Headset Care and Maintenance" on page 23. English Tab 2, 10 Tab 3, 11 Tab ...Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 ADVISORIES Headset earcup requirements Proper headset operation requires that the headset TriPort® openings on the earcup are located on the outside of debris. The headset TriPort openings are kept free of each earcup and include two holes and ...
Owner's guide
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... available with battery • Battery-only powered 4 What's included Each Bose A20 Aviation Headset is supplied with Bluetooth wireless technology • Conventional control module There are several end-plug configurations for the headset. It delivers significantly increased noise reduction and provides a more comfortable fit, without compromising the clear audio you chose for the control module...
... available with battery • Battery-only powered 4 What's included Each Bose A20 Aviation Headset is supplied with Bluetooth wireless technology • Conventional control module There are several end-plug configurations for the headset. It delivers significantly increased noise reduction and provides a more comfortable fit, without compromising the clear audio you chose for the control module...
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
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 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.
Owner's guide
Page 12
...socket, or earcup damage may be shipped with the microphone assembly packed separately, you want to either earcup. L for left earcup. Note: The headset will not work without the access cover installed. 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. Tighten the screws to try the headset and fully test its operation before flight. 8 If your headset is shipped with the microphone assembly (boom microphone and cable) attached to ...
...socket, or earcup damage may be shipped with the microphone assembly packed separately, you want to either earcup. L for left earcup. Note: The headset will not work without the access cover installed. 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. Tighten the screws to try the headset and fully test its operation before flight. 8 If your headset is shipped with the microphone assembly (boom microphone and cable) attached to ...
Owner's guide
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... one or both ears. 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 tethered to the module. Opening the battery compartment You must open the battery compartment to detach it. Do not attempt...
... one or both ears. 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 tethered to the module. Opening the battery compartment You must open the battery compartment to detach it. Do not attempt...
Owner's guide
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...call and unplugged from the control module. 3. Mono/Stereo Mono, Stereo selection Default: MONO Purpose Set at least one second. Set it off headset power. 2. The exact time it will turn off approximately three seconds after several minutes to release. The battery door is terminated. Insert the... a small, flat-tipped screwdriver to 9 minutes of the battery power indicator. 10 Auto Off functionality The Auto Off feature detects when the headset is not in use and shuts it to the control module. Replace the battery compartment cover. Turn off after the call is tethered. Note...
...call and unplugged from the control module. 3. Mono/Stereo Mono, Stereo selection Default: MONO Purpose Set at least one second. Set it off headset power. 2. The exact time it will turn off approximately three seconds after several minutes to release. The battery door is terminated. Insert the... a small, flat-tipped screwdriver to 9 minutes of the battery power indicator. 10 Auto Off functionality The Auto Off feature detects when the headset is not in use and shuts it to the control module. Replace the battery compartment cover. Turn off after the call is tethered. Note...
Owner's guide
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Using the 6-pin plug A single 6-pin plug inserted into the connector jack. If your headset is available from the connector. Gently continue pulling back to remove the plug from Bose to convert a 6-pin connector to a dual G/A plug for additional connection flexibility. Pull sleeve back, then pull plug out ... 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 Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be installed and mounted to the slot on the sleeve near the end of the 6-pin plug. 2. See "Mounting...
Using the 6-pin plug A single 6-pin plug inserted into the connector jack. If your headset is available from the connector. Gently continue pulling back to remove the plug from Bose to convert a 6-pin connector to a dual G/A plug for additional connection flexibility. Pull sleeve back, then pull plug out ... 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 Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be installed and mounted to the slot on the sleeve near the end of the 6-pin plug. 2. See "Mounting...
Owner's guide
Page 16
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. Although the plugs look similar, the microphone plug is also available with other ... to "Power and cable variations" on your aircraft control panel. Refer to various aircraft audio jacks. It will only fit into one of the headset has two general aviation (G/A) plugs that connect to the aircraft audio. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English PREPARING...
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. Although the plugs look similar, the microphone plug is also available with other ... to "Power and cable variations" on your aircraft control panel. Refer to various aircraft audio jacks. It will only fit into one of the headset has two general aviation (G/A) plugs that connect to the aircraft audio. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English PREPARING...
Owner's guide
Page 17
... a long flight, you put the headset on, lightly grasp each ear. • Adjust the headband so it so its cushion is important both for comfort and optimal noise reduction performance. If the problem persists, contact Bose® Technical Support for instructions on removing... blockages. With the headset on your final adjustments with using the headset will help establish a sense of Acoustic Noise Cancelling noise reduction may feel ...
... a long flight, you put the headset on, lightly grasp each ear. • Adjust the headband so it so its cushion is important both for comfort and optimal noise reduction performance. If the problem persists, contact Bose® Technical Support for instructions on removing... blockages. With the headset on your final adjustments with using the headset will help establish a sense of Acoustic Noise Cancelling noise reduction may feel ...
Owner's guide
Page 18
... is not facing mouth 3. Make sure the talk side of 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 Mic label Mic is too far away Mic is /1 2 inch from the opening of the...fitted with your lips. Pull the microphone in . 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. Press to open clip Press to your lips. Do not purse your mouth. 2. Clothing clips The control module cable is facing your lips.
... is not facing mouth 3. Make sure the talk side of 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 Mic label Mic is too far away Mic is /1 2 inch from the opening of the...fitted with your lips. Pull the microphone in . 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. Press to open clip Press to your lips. Do not purse your mouth. 2. Clothing clips The control module cable is facing your lips.
Owner's guide
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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 on or off, and control indicator brightness. • Press the power button once to turn ... the power button to turn Acoustic Noise Cancelling® 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.
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 on or off, and control indicator brightness. • Press the power button once to turn ... the power button to turn Acoustic Noise Cancelling® 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.
Owner's guide
Page 20
... with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth feature, and age of power for the headset. Volume control The left earcup. • Use the right wheel to adjust volume of the left and right volume control wheels on the... power status, as follows: Indicator color Green Green Amber Red Off Power source Type of the corresponding earcup. Even at the headset control module. Overall headset volume control requires adjustments at both the aircraft intercom or radio and at its lowest setting, neither volume control wheel can completely...
... with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth feature, and age of power for the headset. Volume control The left earcup. • Use the right wheel to adjust volume of the left and right volume control wheels on the... power status, as follows: Indicator color Green Green Amber Red Off Power source Type of the corresponding earcup. Even at the headset control module. Overall headset volume control requires adjustments at both the aircraft intercom or radio and at its lowest setting, neither volume control wheel can completely...