Sennheiser Momentum Wireless M2 AEBT User manual

M2 AEBT | 17
Using the headphones
Using the headphones
Switching the headphones on
WARNING
Danger due to high volume levels!
Listening at high volume levels for long periods of time can lead to
permanent hearing defects.
XBefore putting the headphones on, set the volume to a low level.
XDo not continuously expose yourself to high volume levels.
XPress the power button for 2 seconds.
You hear the voice prompts „power on” and „connected” while the LED
flashes blue. The headphones switch on.
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headphones on
› connected ‹
› power on ‹
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2s
Switching the headphones off
XPress the power button for 2 seconds.
You hear the voice prompt „power off” and the LED flashes red. The
headphones switch off.
› Power off ‹
headphones off
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MOMENTUM
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2s

18 | M2 AEBT
Using the headphones
Adjusting the volume
CAUTION
Risk of hearing damage!
Listening at high volume levels can lead to permanent hearing
defects.
XSet the volume to a low level before putting on the headphones.
XDo not continuously expose yourself to sound at high volume
levels.
Control the volume anytime according to your mood or preference.
XPush the 3-way multifunction button down to reduce the volume.
When the minimum volume is reached, you hear the voice prompt „volume
min“.
XPush the 3-way multifunction button up to increase the volume.
When the maximum volume is reached, you hear the voice prompt „volume
max“.

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Using the headphones
Checking the remaining battery life
If the headphones are not playing music or if there is no active call, you can
check the battery life for the remaining play and call times.
XPress the 3-way multifunction button thrice quickly.
You hear the voice prompt stating the remaining play time.
Voice prompt Meaning
„Recharge headset" Battery is almost empty (less than
2% charged)
„Below 3 hours play time" Battery is less than 15% charged
„Between 3 and 5 hours play time" Battery is less than 25% charged
„Between 5 and 11 hours play time" Battery is less than 50% charged
„Between 11 and 18 hours play time“ Battery is less than 80% charged
„Between 18 and 22 hours play time“ Battery is more than 80% charged
Depending on your smartphone, the battery life of your headphones
may also be displayed on the screen.
3x

20 | M2 AEBT
Using the headphones
Music functions
The following music functions are only available if the headphones and the
smartphone are connected using Bluetooth wireless technology or if the USB
cable is used. Some smartphones may not support all the functions.
If your audio source supports aptX®, the headphones will automatically stream
music wirelessly in aptX® high-quality mode. If your audio source does not sup-
port aptX®, music will be streamed in standard quality mode.
Play music
XPress the 3-way multifunction
button.
Pause the music
XPress the 3-way multifunction
button.
1x 1x
Play the next song
XPress the 3-way multifunction
button twice quickly.
Play the previous song
XPress the 3-way multifunction
button thrice quickly.
2x 3x
Fast-forward a song
XPress the 3-way multifunction
button twice quickly and hold until
the desired part of the track is
reached.
Rewind a song
XPress the 3-way multifunction
button thrice quickly and hold until
the desired part of the track is
reached.
2x +HOLD 3x +HOLD

M2 AEBT | 21
Using the headphones
Call functions
The following call functions are only available if the headphones and the smart-
phone are connected using Bluetooth wireless technology or if the USB cable is
used. Some smartphones may not support all the functions.
Making a call
XDial the desired number on your mobile phone.
If your mobile phone does not automatically transfer the call to the headphones:
XSelect the MOMENTUM M2 AEBT as the audio source on your smartphone (see
the instruction manual of your smartphone if necessary).
Accepting/Rejecting/Ending a call
If your headphones are connected to a smartphone and you received a call, you
hear a ring tone in the headphones and the LED flashes blue. If the battery level
of the headphones is low, the LED flashes red.
If you are listening to music when you received the call, the music stops until
you end the call.
XPress the 3-way multifunction button.
Press Function Voice prompt/
tone
1 x Accepts/Starts a call
1 s Rejects a call „Call rejected”
1 x Ends a call „Call ended”
1 x 1
2Accepts an incoming call
and ends the active call
2 x 2
HOLD
1Accepts an incoming call
and puts an active call on
hold
2 x 2
HOLD
1Toggles between 2 active
calls
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22 | M2 AEBT
Using the headphones
Transferring the call to/from the headphones
Once the connection is established, you can transfer the call between the head-
phones and your smartphone.
XPress the 3-way multifunction button.
Press Function Voice prompt
1 s
Transfers a call from
the headphones to the
smartphone
1 s
Transfers a call from
the smartphone to the
headphones

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Using the headphones
Redialing
The redialing function must be supported by your smartphone or Bluetooth de-
vice (with HFP profile). The function maybe required to be activated from your
device.
XPress the 3-way multifunction button.
Press Function Voice prompt
2 x Redials the last number called „redialing”
1 x Cancels redialing
Voice control functions
The voice control functions are only supported by Bluetooth smartphones with
HFP profile.
1. Press the 3-way multifunction button.
Press Function Voice prompt
1 s Starts voice dialing „voice dialing“
1 x Stops voice dialing „call ended“
2. Say your voice command, such as „Call Jane“.
The Bluetooth smartphone dials the phone number of Jane.

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Using the headphones
Using the audio cable
There are 2 connection modes when you use the audio cable:
XActive mode - The connection mode when the audio cable is used and the
headphones are switched on.
XPassive mode - The connection mode when the audio cable is used and the
headphones are switched off.
Regardless of the connection mode, Bluetooth and the call and music control
functions are disabled if the audio cable is used. Use only the audio cable in any
of the following or similar circumstances:
– when the headphones ran out of battery
– when wireless transmission is not allowed e. g. during aircraft take-off and
landing
Connecting using the audio cable
1. Insert the 2.5 mm audio plug into the audio input of the headphones until
you hear a click sound. Turn counterclockwise and ensure that it is locked
securely in place.
The Bluetooth connection is disabled.
2. Connect the 3.5 mm audio plug into:
– the audio output of your smartphone.
– the in-flight adapter if you want to use the headphones with an in-flight
entertainment system.
If the connection mode is active, the NoiseGard active noise cancellation fea-
ture functions normally, if the connection mode is passive, the active noise
cancellation feature is disabled.
12
1
Click
2
2
1
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M2 AEBT | 25
Caring and maintenance
Caring and maintenance
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit
and damage the electronics.
XKeep all liquids away from this product.
XDo not use any solvents or cleaning agents.
Replacing the earpads
Depending on personal usage and for reasons of hygiene, you should replace
earpads from time to time. Spare earpads are available for sale at your local
Sennheiser partner.
1. Lightly pull the earpad away from earcup until it is detached.
2. Secure the new earpad by inserting the fixation band in the space on the
earcup. Ensure that stitched line on the earpad is positioned at the top.
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Caring for leather parts
Regularly clean and maintain the leather parts to keep the product in pristine
condition and increase its lifespan.
XGently wipe leather parts periodically with a clean, soft cloth dampened with
water.
XDo not use leather polish, detergents or harsh soaps.
XAvoid storing your headphones in a damp or humid environment.

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Caring and maintenance
Storing and handling
To keep the headphones in good condition and to avoid nicks and scratches, fold
the earcups to the direction of the headband and place it in the preferred carry
case when you are travelling or when it is not in use.
Updating the software using the Sennheiser Updater
You can update the software of your headphones by using the free “Sennheiser
Updater” PC software.
XDownload the “Sennheiser Updater” from www.sennheiser.com/cco/
software.
XInstall the PC software. To install the software, you need administrator rights
on your computer.
XTo update the software, connect only one product at a time.
Updating the software of the headphones
1. Connect the headphones to your computer using the USB cable.
2. Start the “Sennheiser Updater”.
The “Sennheiser Updater” compares the installed firmware version of the
headphones to the latest firmware version available for download. If your
firmware needs to be updated, upgrade to the latest version according to the
instructions of the “Sennheiser Updater”.