Sennheiser HME 43-3S User manual
Instruction manual
HME 43-3S
HME 43-3
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Safety instructions
yPlease read this instruction manual carefully and
completely before using the headset.
yMake this instruction manual easily accessible to all
users at all times.
yAlways include this instruction manual when passing
the headset on to third parties.
yThe headset is capable of producing sound pressure
levels exceeding 85 dB(A). In many countries 85 dB(A)
is the maximum legally permissible level for continuous
noise exposure during the working day. Exposure to
sounds of higher volume levels or for longer durations
can permanently damage your hearing!
yNever repair or attempt to repair a defective headset
yourself. Contact your Sennheiser agent or the
Sennheiser Service Department.
yOnly replace those parts of the headset whose
replacement is described in this manual. All other parts
of the headset must be replaced by your Sennheiser
agent.
yProtect the headset from wetness. Use only a slightly
damp cloth to clean the headset. For information on
how to clean the headset, contact your Sennheiser
agent.
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Intended use of the headset
Intended use includes:
yhaving read this instruction manual especially the
chapter “Safety instructions”.
yusing the headset within the operating conditions as
described in this instruction manual.
Improper use means using the headset other than as
described in this instruction manual, or under operating
conditions which differ from those described herein.
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The HME 43-3/HME 43-3S headset
The HME 43-3/HME 46-3S headset features dynamic
headphones. The noise-compensating microphone
ensures excellent speech transmission even in noisy
environments. Designed for air traffic control and other
communication purposes.
Features:
yExtremely lightweight
yExtremely comfortable to wear due to the patented
two-piece automatic headband and soft earpads
yActiveGard™ safeguards you from the effects of an
acoustic burst
yFlexible microphone boom, can be worn on either left or
right-hand side
yNoise-compensating microphone ensures excellent
speech transmission
Delivery includes
1 HME 43-3/HME 43-3S headset
1 cable clip
1 carry bag
2 foam earpads HME 43-3
1 foam earpad HME 43-3S
1 wind and pop screen
1 instruction manual
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Operation
Wearing the headset
왘Adjust the length of the headband to fit your head
size or shape.
Note:
The earpads should exert a slight pressure on the ears.
왘Holding the headset with two hands, carefully bend
the headband to adjust it to a snug but comfortable
fit.
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Turning the microphone boom
The microphone boom can be rotated. This allows the
headset to be worn with the microphone boom
positioned on either the left or right-hand side of the
head.
Positioning the microphone
왘Bend the flexible microphone boom so that the micro-
phone is placed at the corner of the mouth.
Note:
Maintain a distance of approx. 2cm between
microphone and mouth.
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Replacing the wind screen
If the wind screen shows signs of wear such as tears or
holes, replace the wind screen.
왘Pull the wind screen from the microphone.
왘Gently slide-on the new wind screen.
Notes:
yIn order to avoid pop noise, always use the
microphone with the supplied wind and pop screen!
yEnsure that the wind screen fits securely over the
microphone.
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Adjusting the volume directly on the audio system
왘Connect the headset to the corresponding sockets of
your audio system. Adjust the volume directly on the
audio system.
Adjusting the microphone sensitivity
The microphone sensitivity has been factory pre-set to
300 mV/Pa.
왘Remove the sticker as shown in the diagram.
왘Change the microphone sensitivity by turning a
screwdriver in the direction of the arrow.
Hearing damage due to high volumes!
This headset is capable of producing high
sound pressure levels. Higher volumes or
longer durations can damage your hearing!
왘Set the volume to a medium level. Make
sure that you can hear critical sounds such
as warning alarms.
CAUTION!
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Storage and transportation
왘Turn the microphone into the position shown in the
diagram. Rotate the earcups by 90°.
왘Use the supplied carrying bag for storage and
transportation.
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Care and maintenance
Cleaning the headset
Use a soft, slightly damp cloth to clean the headset from
time to time. If the headset is very dirty, use a cloth
dampened with mild, soapy water.
Danger of short-circuit due to the ingress of
water!
Water entering the housing of the headset
can cause a short-circuit and damage the
electronics.
왘Use only a slightly damp cloth to clean the
headset. Do not use any solvents or
cleansing agents.
CAUTION!
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