Histogram Legend - Hawking HNC800PTZ User Manual

Chapter 5 Playback
As you release the left mouse button, the color-inverted region will be enlarged to
fill the entire histogram area. This color-inverted region will become the new period
the program is going to display. If you click on the left mouse button without
holding down and dragging it, the display area will show the event page closest to
the point you have selected. The dark regions means there is no video sequence
existed in these intervals. If you click on these regions, a warning dialog will pop up.

5.6.2 Histogram Legend

Figure 5-10 Legend of the Histogram
Figure 5-10 shows the legends corresponding to the colors represented in the
histogram. You can call up this diagram by clicking on the Legend button.