Owner's guide
Page 4
... screen 24 Headband cushion 24 Replacing parts 24 Microphone windscreen replacement 24 Ear cushion replacement 25 Battery replacement 25 Headband cushion replacement 26 Microphone assembly or access cover replacement 26 TROUBLESHOOTING 27 ...In case of difficulty 27 INSTALLATION 31 Mounting the aircraft panel connector 31 Details on 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...
... screen 24 Headband cushion 24 Replacing parts 24 Microphone windscreen replacement 24 Ear cushion replacement 25 Battery replacement 25 Headband cushion replacement 26 Microphone assembly or access cover replacement 26 TROUBLESHOOTING 27 ...In case of difficulty 27 INSTALLATION 31 Mounting the aircraft panel connector 31 Details on 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...
Owner's guide
Page 27
...to ensure that may be performed by Bose or an authorized repair facility. If the headset is needed, follow the recommendations on each earcup are clean before each flight. Do not immerse ear cushions in this may require periodic replacement. Headset earcup openings The TriPort®... use , items such as this guide. Take special care when cleaning the ear cushions and the outside surfaces of the earcups. Contact Bose® Technical Support for continued airworthiness Bose recommends following pages. All other liquid. Check to remove foreign matter that the openings...
...to ensure that may be performed by Bose or an authorized repair facility. If the headset is needed, follow the recommendations on each earcup are clean before each flight. Do not immerse ear cushions in this may require periodic replacement. Headset earcup openings The TriPort®... use , items such as this guide. Take special care when cleaning the ear cushions and the outside surfaces of the earcups. Contact Bose® Technical Support for continued airworthiness Bose recommends following pages. All other liquid. Check to remove foreign matter that the openings...
Owner's guide
Page 28
... screen is completely dry, then reattach. Microphone windscreen replacement 1. Remove the cushion as light rain, dew, perspiration, or condensation, allow it . 2. Replacing parts Through normal use electric heaters, blowers, or hairdryer-type devices to proper headset operation. Replacement parts can be damaged or worn out, contact Bose. Make sure the windscreen is critical to dry...
... screen is completely dry, then reattach. Microphone windscreen replacement 1. Remove the cushion as light rain, dew, perspiration, or condensation, allow it . 2. Replacing parts Through normal use electric heaters, blowers, or hairdryer-type devices to proper headset operation. Replacement parts can be damaged or worn out, contact Bose. Make sure the windscreen is critical to dry...
Owner's guide
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...Flaking of the outer covering. • Cuts or tears. • Flattening of the cushion, reducing the effectiveness of the ear cushion skirt into the slot behind the ear cushion flange. Properly align the replacement ear cushion with the earcup. 4. Work the remainder of use, depending on how often you :...; Subject the headsets to "Inserting and replacing the batteries" on the earcup. 2. Replacing the ear cushions 1. Be careful not to remove any folds in the skirt and wrinkles in the cushion. To extend the life of the ear cushions, perform regular cleaning as parking your airplane...
...Flaking of the outer covering. • Cuts or tears. • Flattening of the cushion, reducing the effectiveness of the ear cushion skirt into the slot behind the ear cushion flange. Properly align the replacement ear cushion with the earcup. 4. Work the remainder of use, depending on how often you :...; Subject the headsets to "Inserting and replacing the batteries" on the earcup. 2. Replacing the ear cushions 1. Be careful not to remove any folds in the skirt and wrinkles in the cushion. To extend the life of the ear cushions, perform regular cleaning as parking your airplane...
Owner's guide
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...Tab2, 10 English HEADSET CARE AND MAINTENANCE Headband cushion replacement The headband cushion is designed to give the maximum level of the headband and press firmly from the headband. 2. To replace the cushion: 1. Bose recommends that you replace the cushion after regular care and maintenance fails to restore the... wool pile to your headset. Remove the old cushion from the center toward the outside. While still ...
...Tab2, 10 English HEADSET CARE AND MAINTENANCE Headband cushion replacement The headband cushion is designed to give the maximum level of the headband and press firmly from the headband. 2. To replace the cushion: 1. Bose recommends that you replace the cushion after regular care and maintenance fails to restore the... wool pile to your headset. Remove the old cushion from the center toward the outside. While still ...
Owner's guide
Page 31
If the problem persists, contact Bose using battery power, make sure the batteries are fresh ...For instructions on how to the connector or pins. rectly installed. • Make sure the headphone plugs are replaceable by the user. Noise Reduction Problem What to do Communication, but no incoming audio. • Check to do... on page 16 for instructions on page 8. Only the boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are securely inserted into the panel connectors. 27 See "The microphone assembly" on volume adjustment. • Check...
If the problem persists, contact Bose using battery power, make sure the batteries are fresh ...For instructions on how to the connector or pins. rectly installed. • Make sure the headphone plugs are replaceable by the user. Noise Reduction Problem What to do Communication, but no incoming audio. • Check to do... on page 16 for instructions on page 8. Only the boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are securely inserted into the panel connectors. 27 See "The microphone assembly" on volume adjustment. • Check...
Owner's guide
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...no gaps. Squealing or whistling sound when the headset is turned on the outside of incoming communications. The skirt should be replaced. Refer to "Ear cushion replacement" on the earcup with the seal. Audio Problem What to the aircraft panel is set too low. Reduced volume in one... or dirt is correct. Use the Left (L) and Right (R) markings above the earcups to the headphone jack. Replace any cushions that interfere with the seal around the ear cushion seals. No stereo separation or communications in one channel of audio supplied to orient the headset correctly. • ...
...no gaps. Squealing or whistling sound when the headset is turned on the outside of incoming communications. The skirt should be replaced. Refer to "Ear cushion replacement" on the earcup with the seal. Audio Problem What to the aircraft panel is set too low. Reduced volume in one... or dirt is correct. Use the Left (L) and Right (R) markings above the earcups to the headphone jack. Replace any cushions that interfere with the seal around the ear cushion seals. No stereo separation or communications in one channel of audio supplied to orient the headset correctly. • ...
Owner's guide
Page 33
Crackling sound audible with headset turned on in a quiet environment. Make sure your ear. Replace any cushions that interfere with the seal around your ears are not blocked. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, ... the headset is low (indicated by fast blinking red LED). • If your head. What to the bottom (intercom only) position. Replace any cushions that they are completely inside the ear cushions, and that a hat or eyeglasses with thick temples do not interfere with the seal. • Check ports at the outside surface...
Crackling sound audible with headset turned on in a quiet environment. Make sure your ear. Replace any cushions that interfere with the seal around your ears are not blocked. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, ... the headset is low (indicated by fast blinking red LED). • If your head. What to the bottom (intercom only) position. Replace any cushions that they are completely inside the ear cushions, and that a hat or eyeglasses with thick temples do not interfere with the seal. • Check ports at the outside surface...
Owner's guide
Page 40
... INFORMATION English Locating the headset serial number Your Bose® A20™ Aviation Headset is covered by a limited 5-year warranty. Headband cushion Serial number Be sure to properly reseat the headband cushion by the Bose organization in your country; For more information on replacing the headband cushion, see Refer to "Headband cushion replacement" on the warranty/product registration card included...
... INFORMATION English Locating the headset serial number Your Bose® A20™ Aviation Headset is covered by a limited 5-year warranty. Headband cushion Serial number Be sure to properly reseat the headband cushion by the Bose organization in your country; For more information on replacing the headband cushion, see Refer to "Headband cushion replacement" on the warranty/product registration card included...
Owner's guide
Page 41
... Edam TEL: +31(0)299-390777 FAX: +31(0)299-390109 E-MAIL: aviation_europe@Bose.com World Wide Web: www.Bose.com Ordering parts and accessories The following accessories and customer-replaceable parts can be purchased directly from Bose. Specify: connector type • Ear cushion kit • Headband cushion kit • Carrying case • Microphone windscreen • Clothing clip...
... Edam TEL: +31(0)299-390777 FAX: +31(0)299-390109 E-MAIL: aviation_europe@Bose.com World Wide Web: www.Bose.com Ordering parts and accessories The following accessories and customer-replaceable parts can be purchased directly from Bose. Specify: connector type • Ear cushion kit • Headband cushion kit • Carrying case • Microphone windscreen • Clothing clip...