Samsung PRO4831 User Manual (en)

Using a smart phone as a remote shutter release
Wireless network
On the smart phone, touch and hold 
 to focus.
•  The focus is automatically set to Multi AF.
 to capture the photo.
•  The photo will be resized to 640 X 360 when it is stored to the smart phone.
When you use this feature, the ideal distance between the camera and the smart 
phone may vary, depending on your surroundings.
The smart phone must be within 7 m of the camera to use this feature.
It will take some time to capture the photo after you release 
 on the smart 
The Remote Viewfinder function will deactivate when:
there is an incoming call on the smart phone
either the camera or the smart phone turns off
the memory is full
either device loses its connection to the WLAN
the Wi-Fi connection is poor or unstable