Note:  
1. Recording, zoom, freeze, rotate, mirror, adjust, split features are only available when document 
camera is connected. 
2. When freeze is selected, zoom, rotate, mirror, and adjust are not available. 
 
 
3. Main function introduction:
3.1 Annotate 
Click    icon to annotate over the live image. Pen thickness and color can be changed 
by clicking on the icon. Note the default color is red. 
 
3.2 Pixel Eraser 
Click        to  erase  the  annotation.  Move  the 
Horizontal bar to adjust eraser size. Select    to clear all annotation at once. 
3.3 Capture 
Click    to capture your screen fully or partially. 
Full screen capture: Click  , the full screen will be captured and saved locally.
Region capture:Click  , to capture selected region, click    to save the capture.