Air Traffic Control
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)
continuous noise exposure during the working day.
Exposure to sounds of higher volume levels or for
longer durations can permanently damage your
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
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
Intended use of the headset
Intended use includes:
having read this instruction manual especially the
chapter "Safety instructions".
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.
HMD 46 / HME 46 / HME 46-3S
The HMD 46 / HME 46 / HME 46-3S headset features
dynamic, open headphones. The noise-compensating
microphone ensures excellent speech transmission even
in noisy environments. Designed for air traffic control,
intercom systems and other communication purposes.
Extremely comfortable to wear due to the patented
two-piece automatic headband and soft ear pads
ActiveGardTM safeguards you from the effects of an
acoustic burst (except HMD 46-31 and HME 46-31)
"Flip-away" headphone allows single-sided listening
Flexible microphone boom, can be worn on either left
or right-hand side
Noise-compensating microphone ensures excellent
Single-sided cable, easy to exchange
PTT button integrated in the cable (see "Product
variants" on page 11)
1 HMD 46 / HME 46 / HME 46-3S headset
1 cable clip
1 wind and pop screen
1 instruction manual
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.