Quick reference guide
Page 1
... will flash at a slow rate alternating with another phone, you are trying to pair a headset that the headset is complete, the Bluetooth indicator light and the green power indicator light on using the headset with your phone to "discover" the Bose A20 Aviation Headset Select "BOSE A20" on , and that the multifunction switch (A above ) to activate Bluetooth. This indicates that...
... will flash at a slow rate alternating with another phone, you are trying to pair a headset that the headset is complete, the Bluetooth indicator light and the green power indicator light on using the headset with your phone to "discover" the Bose A20 Aviation Headset Select "BOSE A20" on , and that the multifunction switch (A above ) to activate Bluetooth. This indicates that...
Quick reference guide
Page 2
...turn off after 3 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 To (Auto Off enabled)...Power indicator The power indicator changes color to 9 minutes of inactivity. 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 ... owned by Bluetooth SIG, Inc., and any such use additional force when pressing down to enable the Auto Off function. You may need to...
...turn off after 3 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 To (Auto Off enabled)...Power indicator The power indicator changes color to 9 minutes of inactivity. 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 ... owned by Bluetooth SIG, Inc., and any such use additional force when pressing down to enable the Auto Off function. You may need to...
Owner's guide
Page 2
... this equipment into an outlet on a circuit different from children. • Danger of the Bose® A20™ Aviation Headset. • The headset is connected. - Important Safety Instructions • Please read these instructions carefully and completely before using the headset. • Make these instructions when passing the headset on , the user is encouraged to try to repair a defective...
... this equipment into an outlet on a circuit different from children. • Danger of the Bose® A20™ Aviation Headset. • The headset is connected. - Important Safety Instructions • Please read these instructions carefully and completely before using the headset. • Make these instructions when passing the headset on , the user is encouraged to try to repair a defective...
Owner's guide
Page 3
... 9 Opening the battery compartment 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 Opening the battery compartment 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 5
... 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. If your headset is needed, you can use of communications signal in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1 If additional volume control is aircraft powered, connect the...
... 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. If your headset is needed, you can use of communications signal in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1 If additional volume control is aircraft powered, connect the...
Owner's guide
Page 6
... to make sure you may not sound familiar. As pilot in -flight entertainment, or a portable audio source through a Bose A20 Aviation Headset, be sure you can hear and recognize these sounds when using the Bose® A20™ Aviation Headset while operating any aircraft. Volume control Make sure your hearing during extended periods of the communications signal coming into...
... to make sure you may not sound familiar. As pilot in -flight entertainment, or a portable audio source through a Bose A20 Aviation Headset, be sure you can hear and recognize these sounds when using the Bose® A20™ Aviation Headset while operating any aircraft. Volume control Make sure your hearing during extended periods of the communications signal coming into...
Owner's guide
Page 12
... the stop. 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 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. Also, make sure that does not have the microphone assembly attached. Tighten the screws to receive the microphone assembly. Use a Phillips screwdriver to loosen the two screws on the earcup...
... the stop. 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 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. Also, make sure that does not have the microphone assembly attached. Tighten the screws to receive the microphone assembly. Use a Phillips screwdriver to loosen the two screws on the earcup...
Owner's guide
Page 13
... 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 alter these defaults, you can observe and change the switch positions. 9 The cover is tethered to "Inserting and... and slide the cover down and releasing cover. In the battery compartment, you can change the operation switches 1. You may need to use additional force when pressing down . If batteries are installed, remove them. Note: The battery compartment cover is shipped with factory-set operation...
... 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 alter these defaults, you can observe and change the switch positions. 9 The cover is tethered to "Inserting and... and slide the cover down and releasing cover. In the battery compartment, you can change the operation switches 1. You may need to use additional force when pressing down . If batteries are installed, remove them. Note: The battery compartment cover is shipped with factory-set operation...
Owner's guide
Page 14
...Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English PREPARING THE HEADSET FOR USE 3. Switch 1. The headset will alter the accuracy of inactivity. Auto Off functionality The Auto Off feature detects when the headset is not in use and shuts it off after the call , then it takes to shut off varies... and can range between 3 to make or receive calls, we recommend you stop using the headset. When the headset is running on battery power only and is an auxiliary input present. Forcing an improper connection will shut off even when there is ...
...Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English PREPARING THE HEADSET FOR USE 3. Switch 1. The headset will alter the accuracy of inactivity. Auto Off functionality The Auto Off feature detects when the headset is not in use and shuts it off after the call , then it takes to shut off varies... and can range between 3 to make or receive calls, we recommend you stop using the headset. When the headset is running on battery power only and is an auxiliary input present. Forcing an improper connection will shut off even when there is ...
Owner's guide
Page 15
... the plug from Bose to convert a 6-pin connector to either plug into aircraft power or rely entirely on the connector. 2. Pull sleeve back, then pull plug out Sleeve 11 Using the 6-pin plug A single 6-pin plug inserted into the connector jack. To connect the headset 1. Gently continue ... the sleeve. 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 Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be installed and mounted to an aircraft panel. Align keyway Push plug in To disconnect the...
... the plug from Bose to convert a 6-pin connector to either plug into aircraft power or rely entirely on the connector. 2. Pull sleeve back, then pull plug out Sleeve 11 Using the 6-pin plug A single 6-pin plug inserted into the connector jack. To connect the headset 1. Gently continue ... the sleeve. 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 Connecting the headset to the aircraft The Bose® A20™ Aviation Headset can be installed and mounted to an aircraft panel. Align keyway Push plug in To disconnect the...
Owner's guide
Page 16
Although the plugs look similar, the microphone plug is also available with other jack. 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. Then insert the thinner microphone plug into the other types of plugs for ... fit into the appropriate jack on page 7. 12 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 (only) version of the jacks.
Although the plugs look similar, the microphone plug is also available with other jack. 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. Then insert the thinner microphone plug into the other types of plugs for ... fit into the appropriate jack on page 7. 12 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 (only) version of the jacks.
Owner's guide
Page 17
...13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Wearing and adjusting the headset Proper fit on your head is important both for instructions on removing blockages. See "Headset earcup openings" on , lightly grasp each ear. •...using the headset will help establish a sense of how it should feel . Here are a few guidelines: • Use the left (L) and right (R) markings above the earcups to normal, see "In case of difficulty" on top of Acoustic Noise Cancelling noise reduction may experience a brief reduction in a noisy environment. If the problem persists, contact Bose...
...13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Wearing and adjusting the headset Proper fit on your head is important both for instructions on removing blockages. See "Headset earcup openings" on , lightly grasp each ear. •...using the headset will help establish a sense of how it should feel . Here are a few guidelines: • Use the left (L) and right (R) markings above the earcups to normal, see "In case of difficulty" on top of Acoustic Noise Cancelling noise reduction may experience a brief reduction in a noisy environment. If the problem persists, contact Bose...
Owner's guide
Page 18
... lips. Make sure the talk side of your lips. 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. Grasp the boom with your clothing, a safety harness, or an aircraft door pocket. Mic label Mic is too far away Mic is fitted with two... module cable is /1 2 inch from the opening of the microphone is level with its talk side facing in toward your lips. Pull the microphone in . Use the clips to attach the headset cable to release and reposition clip along the cable 14
... lips. Make sure the talk side of your lips. 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. Grasp the boom with your clothing, a safety harness, or an aircraft door pocket. Mic label Mic is too far away Mic is fitted with two... module cable is /1 2 inch from the opening of the microphone is level with its talk side facing in toward your lips. Pull the microphone in . Use the clips to attach the headset cable to release and reposition clip along the cable 14
Owner's guide
Page 19
... 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 off , and control indicator brightness. • Press the power button once to turn Acoustic Noise Cancelling® on...
... 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 off , and control indicator brightness. • Press the power button once to turn Acoustic Noise Cancelling® on...
Owner's guide
Page 20
...volume control will generally supply at least 45 hours of power for the headset. Even at the headset control module. Battery life varies with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth feature, and age of light Indicates Aircraft Battery Battery ...174; wireless technology indicators. 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 loud sounds may cause hearing damage. Power indicator New alkaline AA batteries will be set to adjust volume...
...volume control will generally supply at least 45 hours of power for the headset. Even at the headset control module. Battery life varies with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth feature, and age of light Indicates Aircraft Battery Battery ...174; wireless technology indicators. 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 loud sounds may cause hearing damage. Power indicator New alkaline AA batteries will be set to adjust volume...
Owner's guide
Page 21
... of the functions of the audio sources you want to connect your external audio device. AUX audio input Your headset includes a /1 8 inch (3.5 mm) adapter cable to hear while using the headset. Audio priority The Bose A20 Aviation Headset allows you to decide the priority of a connected audio source are controlled by the audio priority switch. 17 To...
... of the functions of the audio sources you want to connect your external audio device. AUX audio input Your headset includes a /1 8 inch (3.5 mm) adapter cable to hear while using the headset. Audio priority The Bose A20 Aviation Headset allows you to decide the priority of a connected audio source are controlled by the audio priority switch. 17 To...
Owner's guide
Page 22
... call mutes the signal on the AUX audio input. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET Multifunction/Audio priority switch The multifunction/audio priority switch has three positions: Position Top Function Intercom prioritized over AUX Operation When the switch is in...
... call mutes the signal on the AUX audio input. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET Multifunction/Audio priority switch The multifunction/audio priority switch has three positions: Position Top Function Intercom prioritized over AUX Operation When the switch is in...
Owner's guide
Page 23
...3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Using the headset with a Bluetooth®-enabled phone Pairing the headset with your phone Pairing entails having the Bose A20 Aviation Headset in "discoverable" mode and ready to be paired to a cell phone. Power indicator light ...your mobile phone, you are attempting to pair Bluetooth, the Bluetooth indicator will need to activate Bluetooth. Before you use your Bose® A20™ Aviation Headset with the Power indicator flash or you 've activated or are asked for a passkey or PIN, enter the digits...
...3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Using the headset with a Bluetooth®-enabled phone Pairing the headset with your phone Pairing entails having the Bose A20 Aviation Headset in "discoverable" mode and ready to be paired to a cell phone. Power indicator light ...your mobile phone, you are attempting to pair Bluetooth, the Bluetooth indicator will need to activate Bluetooth. Before you use your Bose® A20™ Aviation Headset with the Power indicator flash or you 've activated or are asked for a passkey or PIN, enter the digits...
Owner's guide
Page 24
... 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET Note: The Bose A20 Aviation Headset will exhibit a fast double flash initiated at each power indicator flash. Reconnecting to a previously connected phone To reconnect the headset to reconnect. If a connection still does not exist...green or amber). The Bluetooth indicator on the control module. A Bluetooth wireless technology connection is lost, the Bose A20 Aviation Headset automatically attempts to a previously connected phone or other Bluetooth wireless technology device, briefly press the Bluetooth function button ...
... 4, 12 Tab 3, 11 Tab2, 10 English USING THE HEADSET Note: The Bose A20 Aviation Headset will exhibit a fast double flash initiated at each power indicator flash. Reconnecting to a previously connected phone To reconnect the headset to reconnect. If a connection still does not exist...green or amber). The Bluetooth indicator on the control module. A Bluetooth wireless technology connection is lost, the Bose A20 Aviation Headset automatically attempts to a previously connected phone or other Bluetooth wireless technology device, briefly press the Bluetooth function button ...
Owner's guide
Page 40
...country/region (visit Global.Bose.com for Bose contact information in your headset using the following procedures: 1. and 3. Warranty period Your Bose A20 Aviation Headset is identified by a unique headset serial number located on the warranty/product registration card included in your product or contact Bose for specific return and ...6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 SERVICE AND WARRANTY INFORMATION English Locating the headset serial number Your Bose® A20™ Aviation Headset is covered by a limited 5-year warranty. Label and ship the product, freight prepaid, to...
...country/region (visit Global.Bose.com for Bose contact information in your headset using the following procedures: 1. and 3. Warranty period Your Bose A20 Aviation Headset is identified by a unique headset serial number located on the warranty/product registration card included in your product or contact Bose for specific return and ...6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 SERVICE AND WARRANTY INFORMATION English Locating the headset serial number Your Bose® A20™ Aviation Headset is covered by a limited 5-year warranty. Label and ship the product, freight prepaid, to...