Sanyo SCP-3100 User Manual page 12

16. Speaker lets you hear different ringers and sounds. You can
mute the ringer when receiving incoming calls by pressing
,
17. Sub LCD lets you monitor the phone's status and see who's
calling without opening the phone.
18. LED Indicator shows your phone's connection status at a
glance.
19. Camera Lens, as part of the built-in camera, lets you take
pictures.
20. Mirror allows you to look at yourself before taking a picture.
21. Antenna fully extend the antenna for the best reception.
22. Headset Jack allows you to plug in an optional headset for
convenient, hands-free conversations.
23. 10-4 Button allows you to access the 10-4 List. (See "Displaying
the 10-4 List" on page 91.)
24. Side Volume Key lets you adjust the receiver volume during a
call or ringer volume in standby mode. You can also use it to
scroll up or down to navigate through the different menu
options.
4
, or any of the side keys.