Samsung Galaxy Ace User Manual page 18

Multifunction
jack
Camera lens
Power/Lock key
Memory card slot
Internal antenna
18
Getting started
›
Keys
Headset jack
Key
Speaker
Flashbulb
Back cover
Function
Turn on the device (press and
hold); Access the quick menus
Power/
Lock (press and hold); Lock the touch
screen.
Open a list of options available on
Menu
the current screen.
Return to the idle screen; Open
Home the list of recent applications
(press and hold).
Back Return to the previous screen.
Volume Adjust the device's volume.