Instruction Manual
MM 450
Travel
Silence For Your Aural Indulgence
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Contents
Contents
Important safety instructions .......................................................... 2
MM 450 ................................................................................................ 4
Delivery includes ................................................................................. 5
Product overview ................................................................................ 7
Putting the MM 450 into operation ................................................. 8
Charging the battery pack ................................................................. 8
Connecting the headset to the audio source .............................. 10
Connecting the audio cable ............................................................ 13
Adjusting the headband ................................................................. 14
Using the MM 450 ............................................................................ 15
Switching the headset on/off ........................................................ 15
Adjusting the headset to the listening situation ....................... 16
Changing the volume ....................................................................... 17
Remote-controlling connected devices from the headset ....... 18
Resetting the settings of the headset .......................................... 20
Transporting the MM 450 ................................................................ 21
Cleaning the MM 450 ....................................................................... 22
If a problem occurs ... ....................................................................... 23
Accessories and spare parts ............................................................ 24
Specifications .................................................................................... 25
Manufacturer Declarations .............................................................. 26
Important safety instructions
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.
·
Only use the headset in aircraft where wireless Bluetooth® transmis-
sion is permitted.
·
Do not use the headset in situations which require special attention
(e.g. in traffic or when performing skilled jobs).
·
Always keep the headset dry and do not expose it to extreme temper-
atures (normal operating temperatures: 10°C to 35°C).
Use the headset with care and store it in a clean, dust-free environ-
ment.
Switch off the headset after use to conserve battery power. Remove
the batteries if the headset will not be used for extended periods of
time.
·
The headset contains magnets that generate a magnetic field which
could cause dangerous interference with cardiac pacemakers and
implanted defibrillators. Keep the headset at least 1.2" (3 cm) from
cardiac pacemakers or implanted defibrillators.
·
Please protect your hearing from high volume levels. Sennheiser head-
sets also sound exceptionally good at low volumes.
·
Only use the supplied mains unit and charging cable.
·
To reduce the risk of fire or electric shock, do not use the device and the
mains unit near water and do not expose them to rain or moisture.
·
Unplug the mains unit from the wall socket
to completely disconnect the device from the mains
during lightning storms or
when unused for long periods of time.
·
Only operate the mains unit from the type of power source specified in
the chapter "Specifications" (page 25).
·
Ensure that the mains unit is
in a safe operating condition and easily accessible,
properly plugged into the wall socket,
only operated within the permissible temperature range,
not covered or exposed to direct sunlight for longer periods of time
in order to prevent heat accumulation (see "Specifications" on
page 25).
·
Do not operate the device and the mains unit near any heat sources.
·
Only use attachments/accessories specified by Sennheiser.
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Important safety instructions
Intended use of the headset
Intended use of the headset 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.
Safety instructions for the Lithium-Polymer battery pack
If abused or misused, the battery pack may leak. In extreme cases, it may
even present
Please understand that Sennheiser does not accept liability for damage
arising from abuse or misuse.
·
a heat hazard,
·a fire hazard,
·
an explosion hazard,
·
a smoke or gas hazard.
Keep away from children.
Do not pack charged batteries
loose danger of shorting
out/fire hazard.
Observe correct polarity.
Do not short-circuit.
Dispose of the battery pack
at special collection points or
return it to your specialist
dealer.
Switch battery pack-powered
devices off after use.
Only charge the battery
pack with the appropriate
Sennheiser chargers.
When not using the battery
pack for extended periods
of time, charge it regularly
(about every 3 months).
Only charge the battery pack
at ambient temperatures
between 10°C and 40°C.
Do not heat above 70°C/
158°F, e.g. do not expose to
sunlight or throw into a fire.
Do not mutilate or dismantle.
Do not continue to use a
defective battery pack.
Immediately remove the
battery pack from an obvi-
ously defective device.
When not using the device for
extended periods of time,
remove the battery pack from
the device.
Only use the original
Sennheiser battery pack.
Do not expose to moisture.