Noise Suppression Level
Enter the menu and choose “Noise Suppression Level”. Then press “Confirm” button to enter the
setting. Choose suitable level by pressing “Up” and “Down” button. There are 6 levels, namely 0,
1%, 2%, 3%, 4%, 5%. Choose the suitable level as required. Press “Exit” button to return to the
previous menu after setting.
The setting allows the headset or speaker to suppress a certain level of the background noise
received from other belt
-
packs or the base station. The default setting is level 5. (Suppress the
noise lower than 5%. Only those voice volume surpass 5% will be heard.)
MIC Return
Enter the menu and choose “MIC Return”. Then press “Confirm” button to enter the setting.
Choose suitable level by pressing “Up” and “Down” button. There are 10 levels from 0 to 100%.
Choose the suitable level as required. Press “Exit” button to return to the previous menu after
setting.
Turn on the MIC Return function, you can hear your own voice returned by the microphone. Your
return voice will be higher with a higher level.
It is usually advised to turn off the “MIC Return function”, otherwise it may influence acoustic
echo cancellation function.