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If a problem occurs
If a problem occurs
Problem Possible cause Possible solution
The headset is placed into the base
station but does not show any
reaction
Base station is not connected to the
mains
Connect the base station to the mains
power supply (see page 11
).
Rechargeable battery is deep
discharged
Wait several minutes until the charging
process starts.
Link between headset and base
station cannot be established
(Phone mode)
Base station is not connected to the
mains
Connect the base station to the mains
power supply (see page 11).
Headset is not paired to the base
station
Pair your headset to the base station
(see page 30
).
Link between headset and base
station cannot be established
(PC mode)
Base station is only connected to the
mains
Connect the base station to the PC using
the USB cable (see page 14).
Headset is not paired to the base
station
Pair your headset to the base station
(see page 30).
Bad radio link between headset and
base station
Transmission range is exceeded Reduce the distance between headset and
base station.
Adjust the radio range (see page 20).
The headset causes noise and
connection losses
Microphone rubs on the cheek or
perhaps the beard
Bend the microphone boom so that the
microphone ቢ is about 0.8-1.2“ (2-3 cm)
away from the corner of the mouth and
does not rub on the cheek or beard.
Distance between base station and
fixed line phone is so small that inter-
ference occurs
Increase the distance between base station
and fixed line phone (see page 14).
Too many DECT systems within the
radio range
Reduce the radio range (see page 20).
Set the base station to narrowband mode
(see page 21
).
The rechargeable battery cannot be
charged
Charging contacts of the headset or the
base station are dirty
Clean the charging contacts on the headset
and on the base station (see page 32).
Rechargeable battery is defective Replace the defective rechargeable battery
with a new one (see page 33).
The rechargeable battery is quickly
depleted even after charging
Overaged rechargeable battery Replace the overaged rechargeable battery
with a new one (see page 33
).
The sound from the fixed line
phone is distorted and disturbed
Base station is not adjusted to the
fixed line phone.
Adjust the base station to your fixed line
phone (see page 18
).
The other party cannot hear me
properly, my voice sounds too low
or too loud
Microphone sensitivity is not correctly
adjusted
Adjust the microphone sensitivity to the
Phone mode (see page 18) or the PC mode
(see page 18
).
Your headset is no longer paired
to
the base station if an additional
headset has been used with the
base station
You can only use the last headset
paired to the base station (exception:
conference call)
Replace your headset into the base station
(see page 30).
For additional information and an FAQ list, please visit our website at www.sennheiser.com/DW
If a problem occurs that is not listed in the above table or if the p
roblem cannot be solved with the proposed
solutions, please contact your local Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at
www.senncomm.com under “Service & Support”.