T10C User Guide49When you press it, the brightness control panel is appeared as follows: You can click or to reduce or increase thebrightness. Also, you can slide the scale bar to set thebrightness. Since the system supports the light sensor, if you tick thebrightness Auto adjustment , the screenbrightness will automatically adjust according to the operatingenvironment.5.3.2.Volume ControlFor Volume adjustment, press the Volume command.