Bose Aviation Headset X Technical Information download pdf (Page 31)

ROUBLESHOOTING

Stereo missing or communi-

cations in one ear only

• If your aircraft has a mono audio system, verify that the stereo/

mono configuration switch is set to mono. See “Changing the

optional operation switches” on page 13. If the switch is set to

stereo, and the headset is plugged into a mono audio system,

you

will hear only through the left earcup.

Squealing, whistling, or

irping sound when the

system is turned on

• Check to see if the protective inner screen is damaged.

Low rumbling sound with

adset turned on in a quiet

environment

• Adjust the earcup fit to create a better seal on your head. The

adset’s low-force design makes it sensitive to items that

interfere with the seal around your ear. Make sure that your

ears 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 of each earcup to ensure

ey are not blocked. If dust or dirt is present, carefully remove

the debris using tweezers. Do not blow out or vacuum debris.

• Inspect the seal between the ear cushion skirt and the earcup.

e skirt should enclose the earcup evenly, without gaps.

Replace any cushions that have surface tears, torn stitching

joints, large wrinkles, or have become dried and stiff.

Crackling sound audible with

adset turned on in a loud

environment, or ANR is inter-

mittent

• Adjust the earcup fit to eliminate the crackling sound. Refer to

“Wearing it properly” on page 19.

• If your headset is battery powered, check to see if the battery is

low

(indicated by fast blinking red LED).

• If your headset is aircraft powered, make sure that the voltage

powe

ring the headset is greater than 10 VDC.

• Inspect the seal between the ear cushion skirt and the earcup.

e skirt should fit into the slot on the earcup with no gaps.

Replace any cushions that have surface tears, torn stitching

joints, large wrinkles, or have become dried and stiff.

No active noise reduction

d no communication

• Check boom microphone cable connection on the bottom of

the earcup.

CAUTION:

Do not attempt to disassemble or service the inside of the earcups or other parts of the head-

set. Only the boom microphone cable, connector access

cover, batteries, battery cover, windscreen, head-

band cushion, and ear cushions are replaceable by the user. For instructions on how to care for the headset

and

how to replace the ear cushions, refer to “Headset Care and Maintenance” on page 25.

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Bose Aviation Headset X Technical Information Page 31

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