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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... into or vacuum the openings as windscreens and ear cushions may damage the headset. 23 Contact Bose® Technical Support for continued airworthiness Bose recommends following pages. TriPort headset opening Microphone opening must be performed by Bose or an authorized repair facility. English Tab 2, 10...CARE AND MAINTENANCE Instructions for assistance. If cleaning or replacement of these items is immersed 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 ...
... into or vacuum the openings as windscreens and ear cushions may damage the headset. 23 Contact Bose® Technical Support for continued airworthiness Bose recommends following pages. TriPort headset opening Microphone opening must be performed by Bose or an authorized repair facility. English Tab 2, 10...CARE AND MAINTENANCE Instructions for assistance. If cleaning or replacement of these items is immersed 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 ...
Owner's guide
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... dry, then reattach. Do not use , parts like windscreens and ear cushions may require periodic replacement. Replacement parts can be damaged or worn out, contact Bose. Roll the band that secures the windscreen off the microphone. 3. Rinse and air dry the windscreen. Replacing parts Through normal use electric heaters, blowers, or hairdryer-type devices to...
... dry, then reattach. Do not use , parts like windscreens and ear cushions may require periodic replacement. Replacement parts can be damaged or worn out, contact Bose. Roll the band that secures the windscreen off the microphone. 3. Rinse and air dry the windscreen. Replacing parts Through normal use electric heaters, blowers, or hairdryer-type devices to...
Owner's guide
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... Tab 2, 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 whiskers. •...; Subject the headsets to remove any folds in the skirt and wrinkles in the cushion. Gently pull the ear cushion skirt up and away from the earcup. 3. Battery replacement Refer to fold the skirt over. 5. To extend the life of the skirt into the slot completely ...
... Tab 2, 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 whiskers. •...; Subject the headsets to remove any folds in the skirt and wrinkles in the cushion. Gently pull the ear cushion skirt up and away from the earcup. 3. Battery replacement Refer to fold the skirt over. 5. To extend the life of the skirt into the slot completely ...
Owner's guide
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...still holding the headband open, align the center of the new cushion with the center of comfort to its original size and shape. Headband cushion Microphone assembly or access cover replacement Replace the microphone assembly or connector access cover as described in "Attaching... 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...
...still holding the headband open, align the center of the new cushion with the center of comfort to its original size and shape. Headband cushion Microphone assembly or access cover replacement Replace the microphone assembly or connector access cover as described in "Attaching... 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...
Owner's guide
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...• If using the contact information on page 23. See page 16 for and maintain the headset, see if the volume controls are replaceable by the user. No active Acoustic Noise Cancelling noise reduction and no Acoustic Noise Cancelling® noise reduction in the right column. See "...The microphone assembly" on . • Check the power indicator. Only the boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are set too low. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 TROUBLESHOOTING In...
...• If using the contact information on page 23. See page 16 for and maintain the headset, see if the volume controls are replaceable by the user. No active Acoustic Noise Cancelling noise reduction and no Acoustic Noise Cancelling® noise reduction in the right column. See "...The microphone assembly" on . • Check the power indicator. Only the boom microphone cable, access cover, batteries, windscreen, headband cushion, and ear cushions are set too low. English Tab 2, 10 Tab 3, 11 Tab 4, 12 Tab 5, 13 Tab 6, 14 Tab 7, 15 Tab 8, 16 TROUBLESHOOTING In...
Owner's guide
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... adjustment. • Check the stereo/mono configuration switch. Use the Left (L) and Right (R) markings above the earcups to "The operation switches" on page 9. Replace any cushions that the stereo/mono configuration switch is set too low. Refer to orient the headset correctly. • Inspect the seal between the ear... that a hat or eyeglasses with thick temples do Low volume of audio supplied to mono. Refer to "Ear cushion replacement" on page 25. If the stereo/mono switch is present, carefully remove the debris using tweezers. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 ...
... adjustment. • Check the stereo/mono configuration switch. Use the Left (L) and Right (R) markings above the earcups to "The operation switches" on page 9. Replace any cushions that the stereo/mono configuration switch is set too low. Refer to orient the headset correctly. • Inspect the seal between the ear... that a hat or eyeglasses with thick temples do Low volume of audio supplied to mono. Refer to "Ear cushion replacement" on page 25. If the stereo/mono switch is present, carefully remove the debris using tweezers. Tab 8, 16 Tab 7, 15 Tab 6, 14 Tab 5, 13 ...
Owner's guide
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...your ears are not blocked. Do not blow out or vacuum debris. • Inspect the seal between the auxiliary source and the module. Replace any cushions that appear to the bottom (intercom only) position. Use the Left (L) and Right (R) markings above the earcups to "Attaching the microphone .... Crackling sound audible with headset turned on page 8. 29 Refer to orient the headset correctly. • Adjust the earcup fit. Replace any cushions that have surface tears, torn stitching joints, large wrinkles, or have become dried and stiff. If dust or dirt is in a quiet...
...your ears are not blocked. Do not blow out or vacuum debris. • Inspect the seal between the auxiliary source and the module. Replace any cushions that appear to the bottom (intercom only) position. Use the Left (L) and Right (R) markings above the earcups to "Attaching the microphone .... Crackling sound audible with headset turned on page 8. 29 Refer to orient the headset correctly. • Adjust the earcup fit. Replace any cushions that have surface tears, torn stitching joints, large wrinkles, or have become dried and stiff. If dust or dirt is in a quiet...
Owner's guide
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Warranty period Your Bose A20 Aviation Headset is identified by pressing down firmly. Label and ship the product, freight prepaid, to Bose for repair Return your product or contact Bose for Bose contact information in your country/region) for specific return and shipping ... AND WARRANTY INFORMATION English Locating the headset serial number Your Bose® A20™ Aviation Headset is covered by the Bose organization in your country; Headband cushion Serial number Be sure to "Headband cushion replacement" on the warranty/product registration card included in your country...
Warranty period Your Bose A20 Aviation Headset is identified by pressing down firmly. Label and ship the product, freight prepaid, to Bose for repair Return your product or contact Bose for Bose contact information in your country/region) for specific return and shipping ... AND WARRANTY INFORMATION English Locating the headset serial number Your Bose® A20™ Aviation Headset is covered by the Bose organization in your country; Headband cushion Serial number Be sure to "Headband cushion replacement" on the warranty/product registration card included in your country...
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...