Default the OSD menu to English - [*] [#] [1] - Star (*) then Pound (#) then 1.
If this doesn't work, just enter the menu (in Chinese) go down 4 clicks (or 1 from the bottom) and hit enter. Then just hit the right arrow button and it should be in English.
Share:
Shortcut to see the camera's current IP address
How Do I ceiling Mount a Prisual camera?