1. When on a call, the Call icon will appear in the notification bar.
   
2. While on a call, select the Menu icon, to view in-call options.
   
3. To go to the keypad screen, select the Keypad icon.
   
4. To switch calls from Gear to companion smartphone, select the Phone icon.
   
5. To hide in-call options and return to call screen, press the Back button.
   
6. To mute/unmute the call, select the Mute icon.
   
7. To turn Speakerphone on or off, select the Speakerphone icon.
   
8. To adjust the in-call volume, rotate the Bezel clockwise to increase volume and counter-clockwise to decrease volume.
   
9. To end the call, select the End call icon.