Owner's guide
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... 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
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...maintenance, in and out of the warranty period, must remain clean and free of the headband, connectors, plastic parts, and headband cushion, using a soft cloth moistened with water and mild soap. If the headset is needed, follow the recommendations on each earcup are... other liquid. Contact Bose® Technical Support for continued airworthiness Bose recommends following pages. Do not immerse ear cushions in water or any dirt or debris into or vacuum the openings as windscreens and ear cushions may require periodic replacement. If cleaning or replacement of the earcups. ...
...maintenance, in and out of the warranty period, must remain clean and free of the headband, connectors, plastic parts, and headband cushion, using a soft cloth moistened with water and mild soap. If the headset is needed, follow the recommendations on each earcup are... other liquid. Contact Bose® Technical Support for continued airworthiness Bose recommends following pages. Do not immerse ear cushions in water or any dirt or debris into or vacuum the openings as windscreens and ear cushions may require periodic replacement. If cleaning or replacement of the earcups. ...
Owner's guide
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... described in "Microphone windscreen replacement," below. Place the cushion in a solution of the windscreen, to air dry only. Please refer to remove, replace, repair, or clean this component. Slide the replacement windscreen on and make sure it to secure it . 2. Replacement parts can be damaged or worn out, contact Bose. Microphone windscreen replacement 1. Rinse and air dry...
... described in "Microphone windscreen replacement," below. Place the cushion in a solution of the windscreen, to air dry only. Please refer to remove, replace, repair, or clean this component. Slide the replacement windscreen on and make sure it to secure it . 2. Replacement parts can be damaged or worn out, contact Bose. Microphone windscreen replacement 1. Rinse and air dry...
Owner's guide
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...10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 HEADSET CARE AND MAINTENANCE Ear cushion replacement As a general rule, ear cushions should be replaced every six months or every 350 hours of use, depending on how often you : • Have a full beard or heavy...such as described in "General cleaning" on the earcup. 2. Replacing the ear cushions 1. Indications that the ear cushions need replacing include: • Flaking of the outer covering. • Cuts or tears. • Flattening of the cushion, reducing the effectiveness of the skirt into the slot completely around ...
...10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 HEADSET CARE AND MAINTENANCE Ear cushion replacement As a general rule, ear cushions should be replaced every six months or every 350 hours of use, depending on how often you : • Have a full beard or heavy...such as described in "General cleaning" on the earcup. 2. Replacing the ear cushions 1. Indications that the ear cushions need replacing include: • Flaking of the outer covering. • Cuts or tears. • Flattening of the cushion, reducing the effectiveness of the skirt into the slot completely around ...
Owner's guide
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...surface, turn the headset upside down. Headband cushion Microphone assembly or access cover replacement Replace the microphone assembly or connector access cover as described in "Attaching the microphone assembly" on page 8. 26 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. Tab 8, 16 Tab 7, 15...
...surface, turn the headset upside down. Headband cushion Microphone assembly or access cover replacement Replace the microphone assembly or connector access cover as described in "Attaching the microphone assembly" on page 8. 26 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. Tab 8, 16 Tab 7, 15...
Owner's guide
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...boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are securely inserted into the panel connectors. • Try... • Check the volume setting of intercom/radio. • Make sure the headphone plugs are replaceable by the user. CAUTION: Do not attempt to care for and maintain the headset, see if ...Check the power indicator. Communications Problem What to do " instructions in the right column. If the problem persists, contact Bose using battery power, make sure the batteries are fresh and cor- English Tab 2, 10 Tab 3, 11 Tab 4, ...
...boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are securely inserted into the panel connectors. • Try... • Check the volume setting of intercom/radio. • Make sure the headphone plugs are replaceable by the user. CAUTION: Do not attempt to care for and maintain the headset, see if ...Check the power indicator. Communications Problem What to do " instructions in the right column. If the problem persists, contact Bose using battery power, make sure the batteries are fresh and cor- English Tab 2, 10 Tab 3, 11 Tab 4, ...
Owner's guide
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...is set too low. Squealing or whistling sound when the headset is turned on. 28 • Ensure the headset orientation is correct. Replace any cushions that interfere with the seal. Make sure your ear. Refer to do Low volume of each earcup to "The operation switches" on page.... Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English TROUBLESHOOTING Problem What to "Ear cushion replacement" on page 25. Refer to ensure that a hat or eyeglasses with thick temples do Reduced Acoustic Noise Cancelling® noise reduction, intermittent clicking sounds, ...
...is set too low. Squealing or whistling sound when the headset is turned on. 28 • Ensure the headset orientation is correct. Replace any cushions that interfere with the seal. Make sure your ear. Refer to do Low volume of each earcup to "The operation switches" on page.... Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 Tab 4, 12 Tab 3, 11 Tab2, 10 English TROUBLESHOOTING Problem What to "Ear cushion replacement" on page 25. Refer to ensure that a hat or eyeglasses with thick temples do Reduced Acoustic Noise Cancelling® noise reduction, intermittent clicking sounds, ...
Owner's guide
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...) position. Use the Left (L) and Right (R) markings above the earcups to "Attaching the microphone assembly" on your ears are not blocked. Replace any cushions that a hat or eyeglasses with thick temples do • Adjust the earcup fit to eliminate the source as the possible problem. • Make... is correct. Crackling sound audible with the headset to create a better seal on page 8. 29 If dust or dirt is intermittent. Replace any cushions that interfere with no gaps. The low-force design of the AUX IN connector cable must be enabled. • Check the connection ...
...) position. Use the Left (L) and Right (R) markings above the earcups to "Attaching the microphone assembly" on your ears are not blocked. Replace any cushions that a hat or eyeglasses with thick temples do • Adjust the earcup fit to eliminate the source as the possible problem. • Make... is correct. Crackling sound audible with the headset to create a better seal on page 8. 29 If dust or dirt is intermittent. Replace any cushions that interfere with no gaps. The low-force design of the AUX IN connector cable must be enabled. • Check the connection ...
Owner's guide
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For more information on replacing the headband cushion, see Refer to Bose for Bose contact information in your headset to "Headband cushion replacement" on the outside of the headband and underneath the headband cushion. Warranty period Your Bose A20 Aviation Headset is identified by a unique headset serial number located on the warranty/product registration card included in the product carton. Limited...
For more information on replacing the headband cushion, see Refer to Bose for Bose contact information in your headset to "Headband cushion replacement" on the outside of the headband and underneath the headband cushion. Warranty period Your Bose A20 Aviation Headset is identified by a unique headset serial number located on the warranty/product registration card included in the product carton. Limited...
Owner's guide
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... • Additional control module cable - Specify: Bluetooth® technology or conventional module - Specify: connector type • Ear cushion kit • Headband cushion kit • Carrying case • Microphone windscreen • Clothing clip • Earcup access cover • 6-pin connector to...@Bose.com In Europe: Noise Reduction Technology Group Nijverheidstraat 8 NL-1135 GE 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...
... • Additional control module cable - Specify: Bluetooth® technology or conventional module - Specify: connector type • Ear cushion kit • Headband cushion kit • Carrying case • Microphone windscreen • Clothing clip • Earcup access cover • 6-pin connector to...@Bose.com In Europe: Noise Reduction Technology Group Nijverheidstraat 8 NL-1135 GE 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...