Detail shown in an event list.
There are three parts to the list display. Each has a button to turn
that part of the display on and off.
-
Display of images is controlled by this
button. If images are not currently being grabbed, maybe during a data
transfer, then they can be turned off.
-
Display of groups is controlled by this
button.
This area shows mix information for each group primary, scans,
secondary, noise and utility 
-
Display of label information is controlled by this
button.
The event number is shown, along with the last frame code in that
scene.
Here are some common combinations.
