Samsung SGH-I607 User Manual page 22

2. Thumbwheel: used to navigate through menu options or
in your Contacts list. Press to select or execute the
program selected.Press and hold to display the quick
launcher.
3. Back/Clear key or Camera: A press will clear the entry
or take you to the previous menu. A press and hold
launches the camera to take a photo or to whatever
option you have set for this key.
4. External Speaker: plays the audio during a call using
the speakerphone option and plays music or video files
using the Windows Media Player
5. Camera lens: the camera lens is used for taking pictures
and videos.
6. Mirror: displays your reflection when taking pictures and
videos.
Back Light
A back light illuminates the display and the keypad
when you press any key. It turns off when no keys are
pressed within a given period of time, and/or dims the
light, depending on the settings in the Start > Settings
> More > Power Management > Display time out
options.
To quickly turn your screen off, press and hold the
Back Light When Keypad is Locked
When the back light dims and your keypad is locked
you must follow the Unlock the Keypad instructions to
display the screen image.
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