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Noise-Canceling Models
Standard Models
english
Hold the receiver securely against
your ear with one hand.
With your other hand, adjust the
voice tube so that the tip sits two
finger-widths from the corner of
your mouth. To prevent breath noise,
avoid positioning the voice tube in
front of your mouth.
Carefully shape the boom with both
hands as shown. Do not bend or
twist the boom within
1
⁄
2
inch of the
microphone.
Position the boom so that the
micro-
phone sits two finger-widths from the
corner of your mouth.
Make sure the front of the micro-
phone
faces your mouth. If necessary,
carefully rotate the microphone into
the proper position. Avoid repeated
twisting of the boom.
To temporarily move the Noise-
Canceling microphone boom away
from your mouth, rotate the boom
grip. To return the boom to its origi-
nal position, reverse the rotation.
ADJUSTING THE
MOUTH PIECE
2"
50.8 mm
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