HME43-3_528263_0608_DE.book Seite 1 Donnerstag, 8. Januar 2009 9:37 09
y Please read this instruction manual carefully and
completely before using the headset.
y Make this instruction manual easily accessible to all
users at all times.
y Always include this instruction manual when passing
the headset on to third parties.
y The 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!
y Never repair or attempt to repair a defective headset
yourself. Contact your Sennheiser agent or the
Sennheiser Service Department.
y Only 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
y Protect 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
HME43-3_528263_0608_DE.book Seite 2 Donnerstag, 8. Januar 2009 9:37 09
Intended use of the headset
Intended use includes:
y having read this instruction manual especially the
chapter “Safety instructions”.
y using 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.
HME43-3_528263_0608_DE.book Seite 3 Donnerstag, 8. Januar 2009 9:37 09
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
y Extremely lightweight
y Extremely comfortable to wear due to the patented
two-piece automatic headband and soft earpads
y ActiveGard™ safeguards you from the effects of an
y Flexible microphone boom, can be worn on either left or
y Noise-compensating microphone ensures excellent
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
HME43-3_528263_0608_DE.book Seite 4 Donnerstag, 8. Januar 2009 9:37 09
Wearing the headset
왘 Adjust the length of the headband to fit your head
size or shape.
The earpads should exert a slight pressure on the ears.
왘 Holding the headset with two hands, carefully bend
the headband to adjust it to a snug but comfortable
HME43-3_528263_0608_DE.book Seite 5 Donnerstag, 8. Januar 2009 9:37 09
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
Positioning the microphone
왘 Bend the flexible microphone boom so that the microphone is placed at the corner of the mouth.
Maintain a distance of approx. 2 cm between
microphone and mouth.
HME43-3_528263_0608_DE.book Seite 6 Donnerstag, 8. Januar 2009 9:37 09
Replacing the wind screen
If the wind screen shows signs of wear such as tears or
holes, replace the wind screen.
왘 Pull the wind screen from the microphone.
왘 Gently slide-on the new wind screen.
y In order to avoid pop noise, always use the
microphone with the supplied wind and pop screen!
y Ensure that the wind screen fits securely over the
HME43-3_528263_0608_DE.book Seite 7 Donnerstag, 8. Januar 2009 9:37 09
Adjusting the volume directly on the audio system
왘 Connect the headset to the corresponding sockets of
your audio system. Adjust the volume directly on the
CAUTION! 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!
왘 Set the volume to a medium level. Make
sure that you can hear critical sounds such
as warning alarms.
Adjusting the microphone sensitivity
The microphone sensitivity has been factory pre-set to
왘 Remove the sticker as shown in the diagram.
왘 Change the microphone sensitivity by turning a
screwdriver in the direction of the arrow.
HME43-3_528263_0608_DE.book Seite 8 Donnerstag, 8. Januar 2009 9:37 09
Storage and transportation
왘 Turn the microphone into the position shown in the
diagram. Rotate the earcups by 90°.
왘 Use the supplied carrying bag for storage and
HME43-3_528263_0608_DE.book Seite 9 Donnerstag, 8. Januar 2009 9:37 09
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.
CAUTION! Danger of short-circuit due to the ingress of
Water entering the housing of the headset
can cause a short-circuit and damage the
왘 Use only a slightly damp cloth to clean the
headset. Do not use any solvents or
HME43-3_528263_0608_DE.book Seite 10 Donnerstag, 8. Januar 2009 9:37 09
Replacing the earpads
For reasons of hygiene, the earpads should be replaced
from time to time.
CAUTION! If you pull too sharply, or jerk them, you
may damage the new earpads.
왘 Grasp the edge of the foam earpad behind the earcup
as shown and peel it up and away from the earcup.
Slide the new earpad onto the earcup. Repeat for the
HME43-3_528263_0608_DE.book Seite 11 Donnerstag, 8. Januar 2009 9:37 09
with open ends,
length 1.90 m
with open ends,
length 1.90 m
Cat. No. 091551
Cat. No. 091532
Cat. No. 091529
Cat. No. 091540
Cat. No. 517619
Headband padding (1 pair)
Cat. No. 529726
Pad for temple support
(HME 43-3S only)
Cat. No. 532729
HME43-3_528263_0608_DE.book Seite 12 Donnerstag, 8. Januar 2009 9:37 09
Weight without cable
Sound pressure level
at 1 kHz/1 mW
at 1 kHz/1 V
at 1 kHz
at 1 kHz
Size of earcups
single-sided round cable,
length 1.90 m
approx. 95 g
–5 °C to +45 °C
–55 °C to +70 °C
100 Hz to 6,000 Hz
94 dB SPL
102 dB SPL
103 dB SPL
107 dB SPL
116 dB SPL
110 dB SPL
< 1% at
< 1% at
105 dB SPL
102 dB SPL
approx. 1.5 N
150 Ω mono 300 Ω mono
∅ 51 mm
HME43-3_528263_0608_DE.book Seite 13 Donnerstag, 8. Januar 2009 9:37 09
400 Hz to 4,500 Hz
300 mV/Pa at a distance of
approx. 2 cm (1") between
microphone and mouth
40 to 500 mV/Pa
8 to 16 V DC
150 to 2,200 Ω
HME43-3_528263_0608_DE.book Seite 14 Donnerstag, 8. Januar 2009 9:37 09
Sennheiser electronic GmbH & Co. KG gives a warranty of
24 months on this product.
For the current warranty conditions, please visit our web
site at www.sennheiser.com or contact your Sennheiser
CE Declaration of Conformity
This equipment is in compliance with the essential
requirements and other relevant provisions of Directive
2004/108/EU. The declaration is available on the internet
site at www.sennheiser.com.
Before putting the device into operation, please observe
the respective country-specific regulations!
Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
Printed in China