VIVOTEK
Tips:
1.The onscreen Java control can malfunction under the following situations: A PC connects to different cameras that are using the same IP address (or the same camera running different firmware versions). Removing your browser cookies will solve this problem.
2.If you encounter problems with displaying the configuration menus or UI items, try disable the Compatibility View on IE8 or IE9.
You may also press the F12 key to open the developer tools utility, and then change the
Browser Mode to the genuine IE8 or IE9 mode.
User's Manual - 45