If a problem occurs
If a problem occurs
For causes and solutions that are mainly related to the headset, refer to the chapter “If a problem occurs ...” in the “User Guide”.
Problem | Possible cause | Possible solution | Page |
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Headset is placed into the base | Base station is not connected | Connect the base station to the | |
station but the Charge status | to the mains power supply | mains power supply. |
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LED if off | Rechargeable battery is deep | Wait several minutes until the | |
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| discharged | Charge status LED lights up. |
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| For | – |
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| Briefly press the Set button at the |
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| bottom of the base station. |
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Link between headset and | Base station is only connected | Connect the base station to the | |
base station cannot be | via the USB cable | mains power supply. |
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established |
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Bad radio link between | Transmission range is | Reduce the distance between | – |
headset and base station | exceeded | headset and base station. |
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| Adjust the radio range. | |
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Noise interference and | Too many DECT systems within | Reduce the radio range. | |
connection loss | the radio range | Set the base station to | |
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| narrowband transmission. |
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| Distance between base station | Increase the distance between | – |
| and fixed line phone is so small | base station and fixed line phone. |
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| that interference occurs |
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Rechargeable battery cannot | Headset is not properly placed | Check if the headset is properly | |
be charged | into the magnetic holder of the | placed into the magnetic holder. |
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| base station |
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Bad audio quality, the other | Microphone sensitivity is not | Adjust the microphone sensitivity. | |
party sounds too loud or too | correctly adjusted |
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low |
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Sound from the fixed line | Base station is not adjusted to | Use the ABC switch to adjust the | |
phone is distorted and | the fixed line phone. | base station to your fixed line |
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disturbed |
| phone. |
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For more information and an FAQ list, please visit our website at www.sennheiser.com/cco.
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 local Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.sennheiser.com/cco/support.
18 SD Series – Setup Guide