Bose A20 Aviation Посібник користувача - Сторінка 15

Переглянути онлайн або завантажити pdf Посібник користувача для Гарнітури Bose A20 Aviation. Bose A20 Aviation 40 сторінок. Aviation headset
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Proper fit on your head is important both for comfort and optimal noise reduction

performance. Here are a few guidelines:

• Use the left (L) and right (R) markings above the earcups to orient the headset

properly.

• As you put the headset on, lightly grasp each earcup and adjust it so its cushion

is completely over your ear. You should feel an even, gentle pressure all around

each ear.

• Adjust the headband so it rests gently on top of your head.

• Make your final adjustments with the headset powered on in a noisy

environment.

In very loud conditions, such as during takeoff, you may experience a brief reduc-

tion in Acoustic Noise Cancelling

pressure change. If the problem continues when the sound level returns to normal,

see "Troubleshooting" on page 29. If the problem persists, contact Bose

Technical Support for assistance.

A low rumbling sound or frequent, brief losses of Acoustic Noise Cancelling noise

reduction may indicate an improper fit or blocked earcup ports. See "Headset

earcup openings" on page 25 for instructions on removing blockages.

During a long flight, you may feel a slight pressure point, which can be relieved by

adjusting the headband position. Your experience with using the headset will help

establish a sense of how it should sound and feel.

Microphone placement is important for clear communications. With the headset on

your head, make these adjustments:

as the headset compensates for a momentary

Using the Headset

English - 15