Sonova unitron Blu Programming Manual page 9

How to adjust the balance between mobile phone calls and the
surrounding enviroment
While on a call on a mobile phone:
Push the upper part of the hearing aid
•
button to increase the call volume and
decrease the volume of sounds in your
environment
Push the lower part of the hearing aid
•
button to decrease the call volume and
increase the volume of sounds in your
environment
Call volume up
Call volume down
9