This primer is an introduction to Trig application development. A Trig is a Brew MP application whose UI is written in the TrigML markup language.

虚拟手柄，与松下PV200/PV500进行通讯，可虚拟手柄操作功能，实现方向控制，功能键控制，和TRIG,SET等控制。-Virtual handle with Panasonic PV200/PV500, communications, virtual handle operating functions, direction control, function key control, and TRIG, SET control.