HD 46
HME 46
Instructions for use
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Safety instructions
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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.
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!
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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.
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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
agent.
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Intended use of the headset
Intended use includes:
•
having read these instructions especially the chapter
“Safety instructions”.
•
use of the headset in jet aircraft and within the
operating conditions as described in these
instructions.
Improper use
Improper use means use of the headset other than as
described in these instructions or use under operating
conditions different from those described in these
instructions.
2
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HD 46 / HME 46
The HD 46 headphones and the HME 46 headset feature
dynamic, open headphones. The noise-compensating
condenser microphone ensures excellent speech trans-
mission even in noisy environments. Designed for use in
aircraft cockpits.
Features
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Extremely lightweight
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Extremely comfortable to wear due to the patented
two-piece automatic headband and soft ear pads
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Peak level protection safeguards you from volume
peaks above 110 dB
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“Flip-away” headphone allows single-sided listening
Flexible microphone boom, can be worn on either left
or right-hand side (headsets only)
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Noise-compensating condenser microphone ensures
excellent speech transmission (headsets only)
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Single-sided cable, easy to exchange
Volume control integrated in the cable (HME 46-V-K
only)
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ETSO approval C57a/C58a
TSO approval C139
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Delivery includes
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HD 46 headphones / HME 46 headset
Cable clip
Wind and pop screen (except HD 46-K1)
Instructions for use
Carry bag
EASA Form 1
Operation
Turning the microphone boom (except HD 46)
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.
4
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Putting on the headset
When putting on the headset, the patented two-piece
headband adjusts automatically.
Positioning the microphone (except HD 46)
Bend the flexible microphone boom so that the micro-
phone is placed at the corner of the mouth. Maintain a
distance of approx. 2 cm between microphone and mouth.
5
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Flipping away one earcup
The headset features a “flip-away” earcup for single-
sided listening.
Adjusting the volume directly on the audio system
Connect the headset to the corresponding sockets of your
audio system. Adjust the volume directly on the audio
system.
Hearing damage due to high volumes!
CAUTION!
This headset is capable of producing high
sound pressure levels. Higher volumes or
longer durations can damage your hearing!
Set the volume to a medium level. Make sure
that you can hear critical sounds such as
warning alarms.
6
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Adjusting the volume via the slide volume controls
(HME 46-V-K only)
The two slide volume controls ᕡ and ᕢ allow you to
adjust the volume for the left and right channel
separately.
ᕡ
ᕣ
ᕢ
Changing the left and right audio channel
(HME 46-V-K only)
The position “R” or “L” of the BOOM switch »
corresponds to the position of the microphone on the left
or right side of the mouth. When the microphone boom is
rotated to permit left or right side microphone
orientation, the BOOM switch allows you to correctly
assign the audio channels (L/R) to the appropriate
headphone sides. This enables the correct orientation of
the volume controls and any audio signals. To move the
BOOM switch, use a pointed tool.
7
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Adjusting the microphone sensitivity
The microphone sensitivity has been factory pre-set to
80 mV/Pa as per RTCA DO-214. You can change the
microphone sensitivity by turning a small screwdriver in
the direction of the arrow.
+
–
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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!
CAUTION!
Water entering the housing of the headset
can cause a short-circuit and damage the
electronics.
Use only a slightly damp cloth to clean the
headset. Do not use any solvents or cleansing
agents.
Replacing the earpads
For reasons of hygiene, the black earpads should be
replaced from time to time. 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 other earcup.
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Accessories and spare parts
By changing the cable, you can simply retrofit your
headset (see “Product variants” on page 11).
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Cable -C
Cat. No. 500840
Cat. No. 500841
Cat. No. 500970
Cat. No. 500843
Cat. No. 500847
Cat. No. 044740
Cat. No. 525787
Cat. No. 515295
Cat. No. 515296
Cat. No. 502194
Cat. No. 515297
Cable -K
Cable -K1 (HD 46 only)
Cable -N
Cable -V-K
MZQ 2002 cable clip
HZC 08 cable clip
Earpads (1 pair)
Earpads (100 pairs)
HZH 46 hygiene pads (200 pairs)
Wind and pop screen (1 item)
Wind and pop screen
(any number of items)
Cat. No. 514127
Cat. No. 515629
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Headband padding (1 pair)
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Product variants
Variant
(Cat. No.)
(Part Number)
Description
Single-sided round
cable
HD 46
Dynamic
–
(500899)
(046-69)
headphones
HD 46-K1
Dynamic
with ¼“ (6,3 mm) jack
(500462)
(046-69-999-0931)
headphones plug,
length 1.85 m
HME 46
(500850)
(046-55)
Headset with
condenser
microphone
–
HME 46-C
Headset with with XLR-5 connector,
(500464)
(046-55-999-0231)
condenser
microphone
length 1.85 m
HME 46-K
Headset with with ¼“ (6.3 mm) jack
(500470)
(046-55-999-0131)
condenser
microphone
plug (headphones)
and PJ-068 equivalent
(microphone),
length 1.85 m
HME 46-N
Headset with with 8-pin Neutricon
(500463)
(046-55-999-0831)
condenser
microphone
connector,
length 1.85 m
HME 46-V-K
(500465)
(046-55-999-0141)
Headset with As HME-46-K, with
condenser
volume control
microphone
11
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Connector assignment
HME 46-C
Solder side
1
2
3
4
5
Audio Hi
Audio Lo
Microphone Hi
Microphone Lo
not assigned
3
2
4
1
5
HD 46-K1 and HME 46-K
¼" (6.3 mm) jack plug
PJ-068 equivalent
1
2
3
1 2
3
1
2
3
Audio Hi
not assigned
Audio Lo
1
2
3
not assigned
Microphone Hi
Microphone Lo
HME 46-N
Solder side
1
2
3
4
5
6
7
8
Audio Hi
Audio Lo
not assigned
Microphone Lo
Microphone Hi
not assigned
not assigned
not assigned
12
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HME 46-V-K
¼" (6.3 mm) jack plug
PJ-068 equivalent
1
2
3
1 2
3
1
2
3
Audio Hi left
Audio Hi right
Audio Lo
1
2
3
not assigned
Microphone Hi
Microphone Lo
Specifications
HD 46 headphones
Headphones
Transducer principle
Ear coupling
dynamic, open
supra-aural
20–14,000 Hz
600 Ω
Frequency response
Impedance
Characteristic SPL
93 dB SPL at 1 kHz, 1 mW
95 dB SPL at 1 kHz, 1 V
THD
< 1 % at 110 dB SPL
(350–3,000 Hz)
Contact pressure
approx. 3 N
General data
Temperature range
Operation: –15 °C to 55 °C
Storage:
–55 °C to 70 °C
Weight without cable
140 g
13
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Specifications
HME 46 headsets
Headphones
Transducer principle
Ear coupling
dynamic, open
supra-aural
Frequency response
20–14,000 Hz
Impedance mono/stereo 600 Ω/1,200 Ω
Characteristic SPL
93 dB SPL at 1 kHz, 1 mW, mono
95 dB SPL at 1 kHz, 1 V
THD
< 1 % at 110 dB SPL
(350–3,000 Hz)
Contact pressure
approx. 3 N
Microphone
Type
MKE 46
Transducer principle
pre-polarized condenser
microphone,
noise-compensating
Frequency response
Output voltage
350–6,000 Hz
adjustablefrom 17–100 mV/Pa,
80 mV/Pa (factory pre-set)
ꢀ 400 mV at 114 dB SPL
Terminating impedance 150–2,200 Ω
Supply voltage
8–16 V DC
General data
Temperature range
Operation: –15 °C to 55 °C
Storage:
–55 °C to 70 °C
Weight without cable
14
150 g
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Manufacturer Declarations
Warranty regulations
The guarantee period for this Sennheiser product is 60 months from the
date of purchase. Excluded are accessory items, rechargeable or
disposable batteries that are delivered with the product; due to their
characteristics these products have a shorter service life that is
principally dependent on the individual frequency of use.
The guarantee period starts from the date of original purchase. For this
reason, we recommend that the sales receipt be retained as proof of
purchase. Without this proof (which is checked by the responsible
Sennheiser service partner) you will not be reimbursed for any repairs
that are carried out.
Depending on our choice, guarantee service comprises, free of charge,
the removal of material and manufacturing defects through repair or
replacement of either individual parts or the entire device.
Inappropriate usage (e.g. operating faults, mechanical damages,
incorrect operating voltage), wear and tear, force majeure and defects
which were known at the time of purchase are excluded from guarantee
claims. The guarantee is void if the product is manipulated by non-
authorised persons or repair stations.
In the case of a claim under the terms of this guarantee, send thedevice,
including accessories and sales receipt, to the responsible service
partner. To minimise the risk of transport damage, we recommend that
the original packaging is used. Your legal rights against the seller,
resulting from the contract of sale, are not affected by this guarantee.
The guarantee can be claimed in all countries outside the U.S. provided
that no national law limits our terms of guarantee.
15
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CE Declaration of Conformity
This equipment is in compliance with the essential require-
ments and other relevant provisions of Directive 89/336/EU.
The declaration is available on the internet site at
Before putting the device into operation, please observe the respective
country-specific regulations!
16
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Sennheiser electronic GmbH & Co. KG
30900 Wedemark, Germany
Phone +49 (5130) 600 0
Fax +49 (5130) 600 300
Printed in Germany
Publ. 04/08
515804/A01
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