Automatic Gain Control (AGC) raises the volume when a caller is speaking quietly and lowers the volume when the caller is loud.

To access Automatic Gain Control:

1.To exit any other mode, press button_exit EXIT and then press any button-full below the display.

2.Press button-full Option.  

3.Press button_half_left or button_half_right until a menu listing the current handset, headset and speaker AGC options is displayed.  

4.To toggle a particular setting between Yes and No, press button-right next to it.
Alternatively;
To underline a device type's current setting, press button-left next to it. To change the value of the currently underlined setting, press button-full Yes/No.

5.Do one of the following:

To save the settings and return to the Options menu, press button-full Save. You will hear a confirmation tone.
or

To return to the Options menu without saving any changes, press button-full Cancel.
or

To return to the call handling screen without saving any changes, press button_exit EXIT.