Samsung GT-I5800 GT-I5800CWANEE User Manual

Your device turns off the touch screen when you 

•

do not use the device for a specified period. To 

turn on the screen, press any key. 
You can also adjust the backlight time. In Idle 

•

mode, open the application list and select 

Settings 

→

 Sound and display 

→

 Screen 

timeout.

You can lock the touch screen and keys to prevent any 

unwanted device operations. 
To lock, press [ ]. To unlock, turn on the screen by 

pressing any key, and then flick the grey window with your 

finger.

For optimal use of the touch screen, remove the 

•

screen protection film before using your device.
Your touch screen has a layer that detects small 

•

electrical charges emitted by the human body. 

For best performance, tap the touch screen with 

your fingertip. The touch screen will not react to 

touches of sharp tools, such as a stylus or pen. 

Control your touch screen with the following actions:

Tap: Tap once with your finger to select or launch a 

•

menu, option, or application.
Tap and hold: Tap an item and hold it for more than 2 

•

seconds to open a pop-up option list.
Scroll: Tap and drag your finger up, down, left, or right to 

•

move to items on lists.
Drag and drop: Tap and hold your finger on an item, and 

•

then drag your finger to move the item.
Double-tap: Tap twice quickly with your finger to zoom 

•

in or out while viewing photos or web pages.