(1) Use HDMI or USB Video out, go to camera's menu ->video format

(2) Login camera's webpage ->Configuration->Video Configure->Video Out

(3) DIP Switch 
 please note, when use DIP switch changed the video resolution, then you can't use camera's menu to change resolution.
     if you want to use change camera's resolution by menu again, please turn the dial to "F"

(4) By Combination keys