VIVOTEK - A Leading Provider of Multimedia Communication Solutions
User's Manual - 79
Zoom in and zoom out the Histogram
If you only record a short video clip, you can click zoom in to extend it�
As the second picture shows, click Histogram Zoom In, the total time range of the histogram will shorten
to half of the original time range; while the red part of the histogram that shows the time range of the
video clip will extend to twice of the original time range�
In addition to clicking and to zoom in/zoom out the histogram, you can directly use mouse to
drag the histogram to zoom in a fragment of the focused video clip�
For example:
a� Drag a fragment of the histogram� You can drag it from left to right or from right to left�
b� The fragment will extend to the whole histogram as below�
For more functions of the playback control buttons, please refer to page 75 for detailed description�
Histogram zoom in Histogram zoom out