Samsung GT-S7550, User Manual, Page: 20 / 86

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Keys
Icons
Learn about the icons that appear on your display.
Key Function
Dial
Make or answer a call; In Idle mode,
retrieve recently dialled, missed, or
received numbers
Back
In Menu mode, return to the
previous menu level; Open the
application switch window to
access other applications without
exiting the current application (press
and hold)
Power/
Menu exit
Turn the phone on and off (press
and hold); End a call; In Menu
mode, return to Idle mode
Volume Adjust the phone’s volume
Hold
Look or unlock the touch screen
and keys
Camera
In Idle mode, turn on the camera
(press and hold); In Camera mode,
take a photo or record a video
Icon Definition
Signal strength
GPRS network connected
EDGE network connected
UMTS network connected
HSDPA network connected
Voice call in progress
Video call in progress
Key Function