Owner's guide
Page 2
...many countries 85dB(A) is the responsibility of the FCC Rules. Refer to "Contact information" on page 37. • Do not immerse the headphones in a particular installation. Do not recharge, disassemble, heat, or incinerate. This device complies with the limits for a Class B digital device...on , the user is encouraged to try to third parties. • During flight operations, do not use of the Bose® A20™ Aviation Headset. • The headset is in accordance with the essential requirements and other relevant provisions of producing sound pressure levels exceeding...
...many countries 85dB(A) is the responsibility of the FCC Rules. Refer to "Contact information" on page 37. • Do not immerse the headphones in a particular installation. Do not recharge, disassemble, heat, or incinerate. This device complies with the limits for a Class B digital device...on , the user is encouraged to try to third parties. • During flight operations, do not use of the Bose® A20™ Aviation Headset. • The headset is in accordance with the essential requirements and other relevant provisions of producing sound pressure levels exceeding...
Owner's guide
Page 9
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 See "Power and cable variations" on model of headset.
Owner's guide
Page 21
...shut off even when there is not plugged into the headset AUX audio input. Audio priority The Bose A20 Aviation Headset allows you to decide the priority of the adapter cable into the headphone plug on your device and the opposite end into an intercom, it will not work unless the...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 want to hear while using the headset. Plug one end of the audio sources...
...shut off even when there is not plugged into the headset AUX audio input. Audio priority The Bose A20 Aviation Headset allows you to decide the priority of the adapter cable into the headphone plug on your device and the opposite end into an intercom, it will not work unless the...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 want to hear while using the headset. Plug one end of the audio sources...
Owner's guide
Page 26
...will automatically transfer to the headset. To answer a call Briefly press the Bluetooth function button. You should hear two short beeps in the headphones before you to four seconds. Note: To avoid putting the control module into pairing mode, do not press the Bluetooth function button for ..., and the call will turn off approximately three seconds after the call has been ended. You should hear a short beep in the headphones to the mobile phone handset while the Bluetooth wireless technology connection remains active. To redial the last number When there are no active or...
...will automatically transfer to the headset. To answer a call Briefly press the Bluetooth function button. You should hear two short beeps in the headphones before you to four seconds. Note: To avoid putting the control module into pairing mode, do not press the Bluetooth function button for ..., and the call will turn off approximately three seconds after the call has been ended. You should hear a short beep in the headphones to the mobile phone handset while the Bluetooth wireless technology connection remains active. To redial the last number When there are no active or...
Owner's guide
Page 31
...Press the power button to do Communication, but no Acoustic Noise Cancelling® noise reduction in either ear. If the problem persists, contact Bose using the headset in a different seat location. • Remove the microphone assembly from the headset and check for damage to care for...See "Volume control" on page 16 for instructions on page 37 of this guide for assistance. rectly installed. • Make sure the headphone plugs are securely inserted into the panel connectors. 27 Communications Problem What to do " instructions in the right column. CAUTION: Do not ...
...Press the power button to do Communication, but no Acoustic Noise Cancelling® noise reduction in either ear. If the problem persists, contact Bose using the headset in a different seat location. • Remove the microphone assembly from the headset and check for damage to care for...See "Volume control" on page 16 for instructions on page 37 of this guide for assistance. rectly installed. • Make sure the headphone plugs are securely inserted into the panel connectors. 27 Communications Problem What to do " instructions in the right column. CAUTION: Do not ...
Owner's guide
Page 32
.... • Check that the stereo/mono configuration switch is set to stereo and you only hear communications on one side, setting the switch to the headphone jack. If ear cushions appear worn, they are completely inside the ear cushions, and that appear to be replaced. The headset's low-force design makes...
.... • Check that the stereo/mono configuration switch is set to stereo and you only hear communications on one side, setting the switch to the headphone jack. If ear cushions appear worn, they are completely inside the ear cushions, and that appear to be replaced. The headset's low-force design makes...
Owner's guide
Page 35
Visit Bose.com or Global.Bose.com for information or purchase. PINOUT (FRONT VIEW) Pin 6 RED BLK WHT BLK/WH BLU WHT WH/BLU BLK/WH • 1 V+IN • 2 GND • 3 ... Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 INSTALLATION Mounting the aircraft panel connector The aircraft panel connector is part of the existing microphone and headphone jacks, leaving existing jacks intact for use with conventional headsets. This is usually the fastest installation method. 31
Visit Bose.com or Global.Bose.com for information or purchase. PINOUT (FRONT VIEW) Pin 6 RED BLK WHT BLK/WH BLU WHT WH/BLU BLK/WH • 1 V+IN • 2 GND • 3 ... Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 INSTALLATION Mounting the aircraft panel connector The aircraft panel connector is part of the existing microphone and headphone jacks, leaving existing jacks intact for use with conventional headsets. This is usually the fastest installation method. 31
Owner's guide
Page 36
... in an audio system using the contact information on page 37 of this guide for details. Jack Existing PTT switch and wiring (no connection to Bose headset) Tip (phone audio) Barrel (audio gnd) Stereo connection diagram 10-32 V DC 1/2A RED BLK WHT BLU WHT WHT/BLU BLK/WH BLK.../WH Microphone - Jack 1V+IN 2 GND 3 COMM L 4 COMM R 5 MIC HI 6 MIC LO Audio Existing wiring to aircraft intercom/ audio panel TPP (PTT) Barrel (gnd) Headphone - Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English INSTALLATION CAUTION: Do not use excessive force or bend the...
... in an audio system using the contact information on page 37 of this guide for details. Jack Existing PTT switch and wiring (no connection to Bose headset) Tip (phone audio) Barrel (audio gnd) Stereo connection diagram 10-32 V DC 1/2A RED BLK WHT BLU WHT WHT/BLU BLK/WH BLK.../WH Microphone - Jack 1V+IN 2 GND 3 COMM L 4 COMM R 5 MIC HI 6 MIC LO Audio Existing wiring to aircraft intercom/ audio panel TPP (PTT) Barrel (gnd) Headphone - Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English INSTALLATION CAUTION: Do not use excessive force or bend the...
Owner's guide
Page 38
... Maximum ambient noise level 115 dBC SPL for full cancellation Hands-free profile, Bluetooth 2.1 Bose® A20™ Aviation Headset: B016487 34 Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 TECHNICAL INFORMATION English Headphone Damage could occur to avionics equipment that an avionics technician adjusts its input to...
... Maximum ambient noise level 115 dBC SPL for full cancellation Hands-free profile, Bluetooth 2.1 Bose® A20™ Aviation Headset: B016487 34 Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 TECHNICAL INFORMATION English Headphone Damage could occur to avionics equipment that an avionics technician adjusts its input to...
