Samsung SCH-A870MBAVZW - Manual (Page 17)

Section 2: Understanding Your Phone 17
Front View of Your Phone
Section 2
11. Microphone: The Microphone allows the other caller to
hear you clearly when you are speaking to them.
12. Alpha-numeric Keys: Use these keys to enter numbers,
letters, and characters.
13. End Key: Ends a call. If you press and hold the END key,
the power goes On or Off. When you receive an incoming
call, press to send the call to voicemail.
14. Right Soft Key: This key is used to navigate through
menus and applications by selecting the choice available
in the Right Soft key Option.
15. Center/OK Key: Pressing when navigating through a
menu accepts the highlighted choice in a menu.
16. Speaker: Ringtones and Sounds are played through the
speaker.