Bose Aviation Headset X Technical Information download pdf (Page 19)

USING YOUR HEADSET

Wearing it properly

Proper fit on your head is important both for comfort and good noise

reduction performance. Here are a few guidelines:

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

e headset properly (Figure 16).

Figure 16

Matching the R and L

markings to your right and

left ears

• Use a light grasp to adjust each earcup so its cushion is com-

pletely over your ear and you feel an even, gentle pressure all

round it.

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

Make your final adjustments in a noisy environment and with the

ower switch set to ON.

Conditions related to fit

A low rumbling sound or frequent brief losses of active noise reduc-

tion (ANR) may indicate an improper fit or blocked earcup ports.

Refer to “Headset Care and Maintenance” on page 25 for instruc-

tions on how to deal with a blockage.

In very loud conditions, such as during takeoff, you may experience

brie

f reductions in ANR as the headset compensates for a momen-

tary pressure change. If this problem continues

when the sound level

returns to normal, however, refer to “In case of difficulty” on page 30.

If the problem persists, contact the Bose

Aviation Headset Depart-

ment for assistance.

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

be r

elieved by adjusting the headband position.

Your experience with using the heads

et will help establish a sense of

how it should sound and feel.

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Bose Aviation Headset X Technical Information Page 19