2.
Scroll to Settings and press the Select soft key.
3.
Scroll to Advanced... and press the Select soft key.
4.
Scroll to Headset and press the Select soft key.
5.
Scroll to Headset volume and press the Change soft key.
6.
Press on the left-hand or right-hand side of the navigation
key to set the volume.
7.
Press the Set soft key.
COMfortel M-200/M-300 - Setup and Quick Guide V03 09/2014
Operation
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