Using the Headset
English - 15
Wearing and adjusting the headset
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.
R
L
• The microphone is intended to rotate no more than 160° as shown above. Do not
force the microphone beyond the intended rotation.
• 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
®
as the headset compensates for a momentary
pressure change. If the problem continues when the sound level returns to normal,
see “Noise reduction” on page 30. If the problem persists, contact Bose Techni-
cal Support.
Conditions related to fit
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 26 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.
160º
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