Samsung Galaxy NX500 Camera User Manual (en)

My Camera > 
Selecting functions (options)
Selecting by touch
Do not use sharp objects, such as pens or pencils, to touch the screen. You can 
damage the screen.
Dragging: Touch and hold an area on 
the screen, and then drag your finger.
Touching: Touch an icon to select a 
menu or an option.
Flicking: Gently flick your finger 
across the screen.
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.
Using m
Press [m] or touch 
 on the screen, and then change shooting 
options or settings.
E.g. Selecting the photo size in P mode
Rotate the mode dial to P.
Press [m] or touch