Quick reference guide
Page 1
... Bose A20 Aviation Headset Select "BOSE A20" on using the headset with another phone, you 've activated or are trying to pair a headset that has previously been paired with a mobile phone, complete use instructions, and important safety information, refer to put the headset into "discoverable" mode. 3. Press the Bluetooth function button (B above ) is in order to the supplied Bose A20 Aviation Headset Owner's Guide. Bose® A20...
... Bose A20 Aviation Headset Select "BOSE A20" on using the headset with another phone, you 've activated or are trying to pair a headset that has previously been paired with a mobile phone, complete use instructions, and important safety information, refer to put the headset into "discoverable" mode. 3. Press the Bluetooth function button (B above ) is in order to the supplied Bose A20 Aviation Headset Owner's Guide. Bose® A20...
Quick reference guide
Page 2
...use additional force when pressing down and releasing cover. You may need to release. located in OFF position, the Acoustic Noise Cancelling® system will turn off after 3 to stay securely closed during operation. The Bluetooth word mark and logos are property of Bose Corporation. ©2010 Bose...very low (2 hours or less remaining)* Power OFF or batteries depleted *Bluetooth® wireless technology is under license. 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 ...
...use additional force when pressing down and releasing cover. You may need to release. located in OFF position, the Acoustic Noise Cancelling® system will turn off after 3 to stay securely closed during operation. The Bluetooth word mark and logos are property of Bose Corporation. ©2010 Bose...very low (2 hours or less remaining)* Power OFF or batteries depleted *Bluetooth® wireless technology is under license. 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 ...
Owner's guide
Page 2
... determine the suitability of the performance of the Bose® A20™ Aviation Headset. • The headset is connected. - Operation is encouraged to try to repair a defective headset yourself. Important 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...
... determine the suitability of the performance of the Bose® A20™ Aviation Headset. • The headset is connected. - Operation is encouraged to try to repair a defective headset yourself. Important 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...
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
...operate properly if used in the passive mode when the power is off (power indicator is lit). Symptoms of failure may include loud tones, distortion, and loss of the headset in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1... As with any complex electronic device, it is possible for continued use the intercom or radio volume control.
...operate properly if used in the passive mode when the power is off (power indicator is lit). Symptoms of failure may include loud tones, distortion, and loss of the headset in the headset when used with any battery source other than the Bose A20 Aviation Headset control module. 1... As with any complex electronic device, it is possible for continued use the intercom or radio volume control.
Owner's guide
Page 6
... recognize these sounds when using the Bose® A20™ Aviation Headset while operating any aircraft. We strongly advise you to turn up , while piloting. 2 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 the Acoustic Noise Cancelling® mode turned on. This control affects the strength of headset use with Acoustic Noise Cancelling mode turned off . Recognizing...
... recognize these sounds when using the Bose® A20™ Aviation Headset while operating any aircraft. We strongly advise you to turn up , while piloting. 2 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 the Acoustic Noise Cancelling® mode turned on. This control affects the strength of headset use with Acoustic Noise Cancelling mode turned off . Recognizing...
Owner's guide
Page 12
... the earcup that the earcup connector pins are clean and free of the earcup where you can attach it reaches the stop. Note: The headset will not work without the access cover installed. Also, make sure that does not have the microphone assembly attached. L for left earcup....connector socket on the earcup. 3. 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. Use a Phillips screwdriver to loosen the two screws on the access cover near the bottom of debris. 1. If your...
... the earcup that the earcup connector pins are clean and free of the earcup where you can attach it reaches the stop. Note: The headset will not work without the access cover installed. Also, make sure that does not have the microphone assembly attached. L for left earcup....connector socket on the earcup. 3. 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. Use a Phillips screwdriver to loosen the two screws on the access cover near the bottom of debris. 1. If your...
Owner's guide
Page 13
... located inside the control module battery compartment. 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 remain securely closed. The cover is shipped with factory-set operation defaults. Do not attempt to...
... located inside the control module battery compartment. 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 remain securely closed. The cover is shipped with factory-set operation defaults. Do not attempt to...
Owner's guide
Page 14
.... 4. Replace the battery compartment cover. 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 3. Inserting and replacing the batteries CAUTION: If the batteries do not fit correctly, do not force them in... not turn off varies and can range between 3 to 9 minutes after several minutes to gently move the switch. To change a switch position, use the headset when unplugged from the control module. 3. The following table shows possible positions, default setting, and purpose for mono audio systems (to complete your aircraft...
.... 4. Replace the battery compartment cover. 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 3. Inserting and replacing the batteries CAUTION: If the batteries do not fit correctly, do not force them in... not turn off varies and can range between 3 to 9 minutes after several minutes to gently move the switch. To change a switch position, use the headset when unplugged from the control module. 3. The following table shows possible positions, default setting, and purpose for mono audio systems (to complete your aircraft...
Owner's guide
Page 15
... and intercom audio. 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. Forcing the connector out will damage the cable and/or the aircraft...
... and intercom audio. 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. Forcing the connector out will damage the cable and/or the aircraft...
Owner's guide
Page 16
...Using other plug types The Bose® A20™ Aviation Headset is shorter, thinner, and has a slightly different shape than the intercom plug. Refer to "Power and cable variations" on your aircraft control panel. 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...thicker intercom plug in first. Then insert the thinner microphone plug into the other types of the headset has two general aviation (G/A) plugs that connect to the aircraft audio. Although the plugs look similar, the microphone plug ...
...Using other plug types The Bose® A20™ Aviation Headset is shorter, thinner, and has a slightly different shape than the intercom plug. Refer to "Power and cable variations" on your aircraft control panel. 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...thicker intercom plug in first. Then insert the thinner microphone plug into the other types of the headset has two general aviation (G/A) plugs that connect to the aircraft audio. Although the plugs look similar, the microphone plug ...
Owner's guide
Page 17
...headset powered on page 27. If the problem continues when the sound level returns to normal, see "In case of difficulty" on in Acoustic Noise Cancelling® as the headset... compensates for a momentary pressure change. R L • As you put the headset on, lightly grasp ...headset properly. Microphone placement Microphone placement is completely over your ear. With the headset on removing blockages. Here are a few guidelines: • Use... Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Wearing and adjusting the headset Proper fit on top of your head. In very...
...headset powered on page 27. If the problem continues when the sound level returns to normal, see "In case of difficulty" on in Acoustic Noise Cancelling® as the headset... compensates for a momentary pressure change. R L • As you put the headset on, lightly grasp ...headset properly. Microphone placement Microphone placement is completely over your ear. With the headset on removing blockages. Here are a few guidelines: • Use... Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET Wearing and adjusting the headset Proper fit on top of your head. In very...
Owner's guide
Page 18
... harness, or an aircraft door pocket. Press to open clip Press to your lips. Make sure the talk side of your mouth. 2. Use the clips to attach the headset cable to release and reposition clip along the cable 14 Clothing clips The control module cable is level with two clothing clips. Tab...
... harness, or an aircraft door pocket. Press to open clip Press to your lips. Make sure the talk side of your mouth. 2. Use the clips to attach the headset cable to release and reposition clip along the cable 14 Clothing clips The control module cable is level with two clothing clips. Tab...
Owner's guide
Page 19
... 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 Acoustic Noise Cancelling noise reduction. • Press and hold the power button to control the headset functions. There are two variations of the module; one featuring Bluetooth... (AUX) audio input Audio Priority switch: Top Intercom prioritized Middle Intercom mixed Bottom Intercom only *Control the intercom volume Power button Use the power button to turn Acoustic Noise Cancelling® on or off, and control indicator brightness. • Press the power button...
... 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 Acoustic Noise Cancelling noise reduction. • Press and hold the power button to control the headset functions. There are two variations of the module; one featuring Bluetooth... (AUX) audio input Audio Priority switch: Top Intercom prioritized Middle Intercom mixed Bottom Intercom only *Control the intercom volume Power button Use the power button to turn Acoustic Noise Cancelling® on or off, and control indicator brightness. • Press the power button...
Owner's guide
Page 20
... Even at least 45 hours of power for the headset. Power indicator New alkaline AA batteries will be set to the maximum level. Battery life varies with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth feature, and age of the corresponding ...remaining power once the battery reaches this level. 16 Overall headset volume control requires adjustments at both the aircraft intercom or radio and at the headset control module. Holding the control module upright and facing you: • Use the left wheel to adjust volume of the left and right...
... Even at least 45 hours of power for the headset. Power indicator New alkaline AA batteries will be set to the maximum level. Battery life varies with the ambient noise level of the aircraft, temperature, ear cushion condition, use of the Bluetooth feature, and age of the corresponding ...remaining power once the battery reaches this level. 16 Overall headset volume control requires adjustments at both the aircraft intercom or radio and at the headset control module. Holding the control module upright and facing you: • Use the left wheel to adjust volume of the left and right...
Owner's guide
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...Audio priority The Bose A20 Aviation Headset allows you to decide the priority of the control module as shown. 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 Auxiliary (AUX) audio input The Bose® A20™ Aviation Headset provides a .../1 8 inch (3.5 mm) AUX audio input that allows you to use the headset when unplugged from the intercom to listen to auxiliary input audio or ...
...Audio priority The Bose A20 Aviation Headset allows you to decide the priority of the control module as shown. 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 Auxiliary (AUX) audio input The Bose® A20™ Aviation Headset provides a .../1 8 inch (3.5 mm) AUX audio input that allows you to use the headset when unplugged from the intercom to listen to auxiliary input audio or ...
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
..., enter the digits 0000. If you are asked for 5 seconds in order to put the headset into "discoverable" mode. 3. Before you use your Bose® A20™ Aviation Headset with your mobile phone, you will flash at a slow rate alternating with the Power indicator. If...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 pairing mode, setting your Bluetooth-enabled phone to "discover" the headset, then confirming the connection on the charge level...
..., enter the digits 0000. If you are asked for 5 seconds in order to put the headset into "discoverable" mode. 3. Before you use your Bose® A20™ Aviation Headset with your mobile phone, you will flash at a slow rate alternating with the Power indicator. If...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 pairing mode, setting your Bluetooth-enabled phone to "discover" the headset, then confirming the connection on the charge level...
Owner's guide
Page 24
...ending the current call . Flashes twice quickly with each power indicator flash. A Bluetooth wireless technology connection is lost, the Bose A20 Aviation Headset automatically attempts to end a Bluetooth wireless technology connection, the Bluetooth technology receiver in an active phone call , or discontinuing... phone If you press the Bluetooth function button on the headset control module. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 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 a time....
...ending the current call . Flashes twice quickly with each power indicator flash. A Bluetooth wireless technology connection is lost, the Bose A20 Aviation Headset automatically attempts to end a Bluetooth wireless technology connection, the Bluetooth technology receiver in an active phone call , or discontinuing... phone If you press the Bluetooth function button on the headset control module. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 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 a time....
Owner's guide
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... Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET If you turn the headset control module off, the control module Bluetooth wireless technology receiver also turns off, ending the connection to the Bose® A20™ Aviation Headset. You can only adjust the Bluetooth technology volume during an active phone call...
... Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 USING THE HEADSET If you turn the headset control module off, the control module Bluetooth wireless technology receiver also turns off, ending the connection to the Bose® A20™ Aviation Headset. You can only adjust the Bluetooth technology volume during an active phone call...