Set NJStar Communicator view to 'Chinese Auto' with both "Simplified Chinese" and "Traditional Chinese" options set to OFF. On the inputbar, choose Traditional Chinese [繁] as input mode and set 'GB' as output code.
Set NJStar Communicator viewer to 'Chinese Auto' (both "Simplified Chinese" and "Traditional Chinese" options set to OFF). On the inputbar, choose Simplfied Chinese [簡] as input mode and set 'Big5' or 'Big5-HK' as output code.
In NJStar Communicator v3.0, the inputbar is not docked by default. On some setup the inputbar is covered by Windows task bar. User can enable inputbar docking by unchecking the option "Disable inputbar docking" in the IME options dialogbox.
When inputbar is not docked, it can move with input cursor automatically. This feature can be turned off by unchecking the option "Follow input cursor" on the popup menu (right click on the empty space of the inputbar) as shown on this picture.
In the new version of Google's Gmail, there are some problems for NJStar Communicator 2.75 to input directly into Gmail message box. The problem is there because new Gmail message box does not process windows unicode input messages correctly.
There are two solutions to work around this problem before Google fix the bug.