Sennheiser HME 46 User manual

HME 46

Instructions for use

HD 46

Safety instructions

yPlease read these instructions carefully and

completely before using the headset.

yMake these instructions easily accessible to all users

at all times.

yAlways include these instructions 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.

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.

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

yExtremely lightweight

yExtremely comfortable to wear due to the patented

two-piece automatic headband and soft ear pads

yPeak level protection safeguards you from volume

peaks above 110 dB

y“Flip-away” headphone allows single-sided listening

yFlexible microphone boom, can be worn on either left

or right-hand side (headsets only)

yNoise-compensating condenser microphone ensures

excellent speech transmission (headsets only)

ySingle-sided cable, easy to exchange

yVolume control integrated in the cable (HME 46-V-K

only)

yETSO approval C57a/C58a

yTSO approval C139

Delivery includes

yHD 46 headphones / HME 46 headset

yCable clip

yWind and pop screen (except HD 46-K1)

yInstructions for use

yCarry bag

yEASA Form 1

Operation

Turning the microphone boom (except HD 46)

The microphone boom can be rotated. This allows the

headset to be worn withthe microphone boom positioned

on either the left or right-hand side of the head.

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.

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 thecorrespondingsockets of your

audio system. Adjust the volume directly on the audio

system.

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!

Set the volume to a medium level. Make sure

that you can hear critical sounds such as

warning alarms.

CAUTION!

Adjusting the volume via the slide volume controls

(HME 46-V-K only)

The two slide volume controls and allow you to

adjust the volume for the left and right channel

separately.

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.







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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