Activating / Deactivating the Altitude Alert Tone:
Press the MENU Softkey two times to open the 'Apps' window.
Or:
Touch the Applications Icon on the MFW App Bar to
open the 'Apps' window.
Touch the Settings & Tools
Tab>Alerts.
Scroll (if necessary) to the
'Aural Alerts' section and touch the Altitude
Preselect Annunciation Button (green annunciator
indicates that the alert is enabled).