Sennheiser HME 95 - 05-10 User manual

HME 95
Headset for
general aviation
Instruction manual

1
Contents
Important safety instructions ...................................................2
Delivery includes ..........................................................................3
The HME 95 headset ...................................................................4
Operating elements .....................................................................5
Preparing the headset for use ..................................................6
Connecting the headset ........................................................ 6
Connecting a mobile telephone .......................................... 6
Connecting an additional audio player .............................. 7
Adjusting the microphone sensitivity ............................... 8
Switching between mono and stereo mode ..................... 8
Using the headset .......................................................................9
Attaching the cable clip ........................................................ 9
Adjusting the headset .......................................................... 9
Adjusting the volume ........................................................ 10
Folding up the headset ............................................................ 11
Care and maintenance ............................................................. 12
Replacing the ear pads ...................................................... 12
Replacing the wind shield ................................................. 13
Specifications ............................................................................ 14
Manufacturer declarations ..................................................... 16
Thank you for choosing Sennheiser!
We have designed this product to give you reliable operation over
many years. Over 60 years of accumulated expertise in the design
and manufacture of high-quality electro-acoustic equipment have
made Sennheiser a world-leading company in this field. Please take
a few moments to read these instructions carefully, as we want you
to enjoy your new Sennheiser products quickly and to the fullest.

2
Important safety instructions
• Please read these instructions carefully and completely
before using the headset.
• Make these instructions easily accessible to all users at all
times. Always include these instructions when passing
the headset on to third parties.
• During flight operation, do not use the headset for
telephone calls.
• 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!
• Never repair or attempt to repair a defective headset
yourself. Contact your Sennheiser agent or the
Sennheiser Service Department.
• 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 agent.
• Protect the headset from humidity. Use only a slightly
damp cloth to clean the headset. For information on how
to clean the headset, contact your Sennheiser agent.

3
Intended use of the headset
Intended use includes:
• having read these instructions, especially the chapter
“Important safety instructions” on page 2,
• using the headset within the operating conditions and
limitations described in this instruction manual.
Improper use means using the headset other than as
described in these instructions, or under operating
conditions which differ from those described herein.
Delivery includes
Delivery of the HME 95 headset includes:
1 HME 95 headset
1 soft case
1 cable clip
2 MZW 46 wind and pop shields
1 audio-in cable for mobile telephones, length 0.6 m,
with two 2.5 mm jack plugs
1 audio-in cable for additional audio players, length 0.6 m,
with two 3.5 mm jack plugs
1 instruction manual

4
The HME 95 headset
The HME 95 headset features closed, dynamic, circumaural
stereo headphones.
Features
• Outstanding transmission quality for clear
communications
• Good passive attenuation of ambient noise
• Foldable design for space-saving storage and
transportation
• Noise-compensating boom microphone ensures excellent
speech transmission
• Flexible microphone boom
• Separate left and right channel volume control
• Peak level protection safeguards your ears from volume
peaks above 110 dB
• Excellent comfort resulting from soft ear pads and
headband padding
• Audio-input facility for external audio sources, such as
mobile phones, MP3 players

5
Operating elements
Headset
Microphone sensitivity control
Headset cable
Microphone boom
Earpads
Headband
Operating control integrated in the cable
Cable with microphone plug,
5.25 mm jack plug
Cable with headphone plug,
¼” (6.35 mm) jack plug
3.5 mm jack socket for connecting an
additional audio player (3-pin)
2.5 mm jack socket for connecting a
mobile telephone (3-pin)
Mono/stereo switch
Separate left and right channel slide
volume controls



쐋


햴




6
Preparing the headset for use
Connecting the headset
The headset’s operating control features two cables with
one jack plug each.
왘Connect the headset to the corresponding sockets of your
intercom.
Connecting a mobile telephone
The 2.5 mm jack socket (3-pin) allows you to connect a
mobile telephone. For this purpose, the microphone plug 
must be connected to the aircraft radio/intercom.


Connector for connection to the
¼” (6.35 mm) jack plug headphone output
5.25 mm jack plug microphone input
DANGER! Danger of accident due to reduced
attention!
Making telephone calls or operating the
mobile telephone limits your attention and
may cause accidents.
왘During flight operation, do not use the
headset for telephone calls!
For the latest list of compatible mobile telephones,
please refer to the „Professional Audio“ >
„Aviation Headsets“ section on our website at
www.sennheiser.com.

7
왘 Connect the audio cable to the 2.5 mm jack socket (3-pin) 
on the operating control and to the corresponding jack
socket on your mobile telephone (4-pin).
You can adjust the volume of the mobile telephone via
the headset’s operating control. However, the functions
of the mobile telephone cannot be controlled via the
headset’s operating control.
왘Set the headset to mono mode (see “Switching between
mono and stereo mode” on page 8).
왘Operate your mobile telephone as usual and observe the
manufacturers instructions.
Audio from the mobile telephone and from the intercom
are heard simultaneously through the headset.
Connecting an additional audio player
The 3.5 mm jack socket  allows you to connect and listen to an
additional audio player (e.g. MP3 player) through the headset.

DANGER! Danger of accident due to reduced
attention!
Listening to music or operating an audio
device limits your attention and may cause
accidents.
왘During flight operation, do not use the
headset for listening to additional audio
sources!
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.

8
왘Connect the audio cable to the 3.5 mm jack socket on
the operating control and to the corresponding jack
socket on your audio player.
Audio from the additional audio source and from the
intercom are heard simultaneously through the headset.
Adjusting the microphone sensitivity
The microphone sensitivity has been factory pre-set to
80 mV/Pa as per RTCA DO-214.
To change the input sensitivity of the microphone:
왘Use a suitable slotted screwdriver.
왘Turn the microphone sensitivity control as shown.
Switching between mono and stereo mode
The mono/stereo switch  allows you to switch between
mono and stereo mode, depending on the intercom system.
왘Set the mono/stereo switch  to the desired position:
–mono
– stereo
햴



9
Using the headset
Attaching the cable clip
The cable clip allows you to attach the headset cable to
your clothing so that the cable doesn’t hinder or distract
you.
왘Guide the headset cable through the cable clip .
왘Attach the cable clip to your clothing.
Adjusting the headset
왘Wear the headset so that
– the microphone boom is on the left side of the
mouth (see right/left labeling on the headband joints),
– the headband runs over the top of your head.
왘Adjust the length of the headband so that
– your ears are completely inside the earpads ,
– you feel even, gentle pressure around your ears,
– a snug fit is ensured.
In this way, optimum transmission quality, good noise
attenuation and best possible comfort is ensured.
왘Final adjustment is best made in a noisy environment.

쐋



10
왘Bend the 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.
Adjusting the volume
You can adjust the volume directly on the intercom or via
the headset’s operating control.
To adjust the volume for the left or right channel:
왘Slide one of the two volume controls 
– upwards to increase the volume or
– downwards to reduce the volume.
쐋
CAUTION! Hearing damage due to high volume
levels!
The headset is capable of producing high
sound pressure levels. Higher volumes or
longer durations can damage your hearing!
왘Adjust the volume to a medium level.
Make sure that you can hear critical
sounds such as warning alarms.


11
Folding up the headset
For space-saving transportation, the headset can be folded
up in different ways:
To fold up the headphones as flat as possible:
왘Rotate the earcups by 90° and turn the microphone boom
flat as shown.
To fold up the headphones as compact as possible:
왘Tuck the earcups between the headband as shown.
For safe transportation of the headset, use the supplied soft
case and fold the headset as follows:
왘Rotate the earcups by 90°.
왘Turn the microphone boom flat as shown.
왘Pull out the right earcup and then fold it in.
왘Place the headset flat into the soft case as shown.
The accessories can be transported in the cover of the soft
case:
– audio cable (two 3.5 mm jack plugs)
– audio cable (two 2.5 mm jack plugs)
– MZW 46 wind and pop shields

12
Care and maintenance
왘Use a soft, slightly damp cloth to clean the headset from
time to time.
Replacing the ear pads
You can replace the ear pads. Spare ear pads are available as
accessories.
왘Grasp the edge of the ear pad and peel it up and away
from the ear cup.
CAUTION! Liquids can damage the electronics of the
headset!
Liquids entering the housing of the
headset can cause a short-circuit and
damage the electronics.
왘Only use a soft, slightly damp cloth to
clean the headset. Do not use any
solvents or cleansing agents.

Accessories are available from your Sennheiser
partner. A list of suitable accessories can be found
on our website at
www.sennheiser.com > „Service & Support“.
When removing the ear pads, it might be that a
black plastic ring remains on the ear cup. Remove
this ring before attaching the new ear pads.

13
왘Attach the ear pad so that the side with the thicker
padding points downwards as shown.
왘Press the new ear pad onto the ear cup until it clicks
audibly into place. Repeat for the other ear cup.
Replacing the wind shield
You can replace the wind shield. The HME 95 is supplied with
a spare wind shield.
왘Carefully pull the wind shield from the microphone.
왘Slide-on the new wind shield and ensure that it fits
securely over the microphone.




14
Specifications
General data
Weight without cable approx. 275 g
Temperature range
(operation) -10 to +55 °C
Temperature range (storage) -55 to +55 °C
Cable length 1.85 m
Headphone connector ¼” (6.35 mm) jack plug
Microphone connector 5.25 mm jack plug
Additional features mono/stereo switch,
line input
mobile telephone input
peak level protection
Headphones
Transducer principle dynamic, closed
Ear coupling circumaural
Frequency response 8–28,000 Hz
Nominal impedance 225 Ω mono
300 Ω stereo
Sound pressure level stereo 100 dB at 1 kHz, 1V
mono 97 dB at 1 kHz, 1 V
THD at 94 dB SPL < 1 %
Attenuation 13–34 dB passive
attenuation
Contact pressure approx. 5 N

15
Microphone incl. preamplifier
Type BKE 46
Transducer principle pre-polarized condenser
microphone, noise-compensating
Frequency response 350–6,000 Hz
Output voltage 80 mV/Pa (factory pre-set)
=800 mV at 114 dB SPL
(adjustable from 17–100 mV/Pa)
Terminating impedance 150–2,200 Ω
Supply voltage 8–16 V DC
Connector assignment
¼” (6.35 mm) jack plug 5.25 mm jack plug
1 Audio Hi left
2 Audio Hi right
3 Audio Lo
1 not assigned
2 Microphone Hi
3 Microphone Lo

16
Manufacturer declarations
Warranty
Sennheiser electronic GmbH & Co. KG gives a warranty of
36 months on this product.
For the current warranty conditions, please visit our website
at www.sennheiser.com or contact your Sennheiser partner.
CE Declaration of Conformity
This equipment is in compliance with the essential
requirements and other relevant provisions of Directive
2004/108/EC.
The declaration is available at www.sennheiser.com.
Before putting the device into operation, please observe the
respective country-specific regulations!
Batteries
The supplied batteries can be recycled. Please dispose of
them as special waste or return them to your specialist
dealer. In order to protect the environment, only dispose of
exhausted batteries.
WEEE Declaration
Please dispose of this product by taking it to your local
collection point or recycling centre for such equipment.

Sennheiser electronic GmbH & Co. KG
Am Labor 1, 30900 Wedemark, Germany
www.sennheiser.com
Printed in China, Publ. 05/10, 516577/A03