User’s manual NAVIGON 70 Easy | 70 Plus LiveWorking with the map - 53 -Back: Closes the navigation (refer to "Quitting navigation" on page 64).Options: You can use this button during navigation to access manymore functions (refer to "Map options in Navigation mode" on page 64).Volume: Opens the volume control function (refer to "Volume" onpage 60).Destination search: Opens the map in Destination search mode (referto "Map in Destination search mode" on page 64).7.3 Motion Sensor (only NAVIGON 70 Plus Live)The built-in motion sensor enables more easy and more comfortableoperation of the navigation device: The button bar displays only whenyou place your hand near the navigation device. When you take yourhand away, the bar will disappear again automatically after a fewseconds.7.3.1 Configuring the proximity sensorYou can configure the response characteristic of the proximity sensor.► In the N AVIGATION window tap on Options > Settings > General >Use Motion Sensor. Set the value to Yes.► In the N AVIGATION window tap on Options > Settings > General >Reaction Radius in order to define the radius within which thesensor responds to movements.