A video overview of the Phonak mic and speaker system can be viewed here: [https://drive.google.com/file/d/1J8XNFFR0TXDFiV3yR63H1T9LGtKeIs9G/view?usp=drive_link '''Tutorial: Roger Digimaster 5000 and Touchscreen Mic''']
Please take some time to view the video completely.