Sennheiser MM 550-X Instruction Manual page 25

If a problem occurs ...
1
5
1
2s
5
²
24 | MM 550-X
Problem Possible cause
Headset do not The operation of
react to any the headset is
button press faulty.
Bluetooth The Bluetooth
connection is button has been
suddenly pressed too long.
interrupted
If a problem occurs that is not listed in the above table or if the problem
cannot be solved with the proposed solutions, please contact your
Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at
www.sennheiser.com.
Resetting the settings of the MM 550-X
You can reset all settings of your headset to the factory default settings.
This allows you to prevent that other users of the headset can access your
Bluetooth enabled devices. You can then pair eight new devices with the
headset.
Press the Master
flashes 3 times red. The headset switches off (see "Switching the MM
550-X off" on page 15).
Press the Master
alternately flashes blue and red.
Press the Bluetooth
of the headset are reset.
5s
Solution
Remove the battery pack
from the headset. Reinsert
the battery pack into the
headset. Switch the headset
on again.
Switch the Bluetooth
function on.
5
button and keep it pressed until the
5
button and keep it pressed until the
²
button for at least 5 seconds until the settings
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