1. When on a call, the Call icon will appear in the Notification bar.
   Note: The Call icon will change appearance depending on which device you're pairing with your watch.
   
2. VIEW IN-CALL OPTIONS: Select the Menu icon.
   
3. ACCESS KEYPAD: Select the Keypad icon.
   
4. SWITCH DEVICES WHILE ON A CALL: Select the Phone icon.
   
5. RETURN TO CALL SCREEN: Press the Back button.
   
6. MUTE/UNMUTE CALL: Select the Mute icon.
   
7. TURN ON/OFF SPEAKERPHONE: Select the Speakerphone icon.
   
8. ADJUST IN-CALL VOLUME: Rotate the bezel clockwise to increase volume and counter-clockwise to decrease volume.
   
9. END CALL: Select the End call icon.