Samsung WB350F User Manual (en)

Selecting options or menus
Basic functions
When you touch or drag the screen, discolorations may occur. This is not a 
malfunction, but a characteristic of the touch screen. Touch or drag lightly to 
minimize the discolorations.
The touch screen may not work properly if you use the camera in extremely 
humid environments.
The touch screen may not work properly if you apply screen protection film or 
other accessories to the screen.
Depending on the viewing angle, the screen may appear dim. Adjust the 
brightness or viewing angle to improve the resolution.
Learning touch gestures
Do not use sharp objects, such as pens or pencils, to touch the screen. You can 
damage the screen.
Touching: Touch an icon to select 
a menu or option.
Dragging: Touch and hold an area on 
the screen, and then drag your finger.
Flicking: Gently flick your finger 
across the screen.