Level group:

 Click the radio button to specifies the conditional levels of triggers, whether level1 or level2. The default is Level1

 There are 18 combinations of event setting. The default setting for both level1 or level2 is ev1, ev2 or ev3. 

 Choose to enable (on) or disable trace buffer recording. (off).  Choose to continue (on) or stop (off) timer. The default is Trace on and Timer on.
