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QuestionI hear a hum in the headset of the S10, S11 or S12.
AnswerI hear a hum in the headset
Adjust the compatibility slide switch until the sound is clear.
Try other switch settings (It will not harm the headset or your phone).
Try installing on in another location, if the hum is still present you may need to replace the unit
- Make sure the mute button is turned off.
- Increase the outgoing volume by adjusting the speak volume control.
- Adjust microphone so it is closer to your mouth.
- Check the configuration setting to be sure it on the correct setting
- Check to be sure the unit has been installed correctly.
- Install instructions for the S10, S11.
- Make sure all cable connections are correct and firmly in place. Pay special attention that the handset cord is properly connected.
- Ensure Ac power adapter is connected and the power is on.
- Make sure you have pressed the headset button and the headset indicator is on.
- Make sure the telephones handset is off hook .Adjust listen volume control.
- Adjust the compatibility slide switch.
- Ensure that the headset is centered on your ear.