Adjusting the COM Volume using the FMS Knobs:
The FMS Knobs must be configured by the pilot to adjust the COM radio frequencies in the settings for the PFD/MFD. Refer to the Knob Operation Section in System Overview for more information on how to configure the FMS Knobs.
- To select the radio's volume to be adjusted push the DCK titled "Push: Switch to COM_".
- Turn the Outer DCK titled "COM_ Volume" to adjust volume of the selected radio (counterclockwise to decrease and clockwise to increase the volume).