User's Manual

Pen, Line and Color
If the marker is selected, click and hold for two seconds to set its line and color.
If the
highlighter is selected, click and hold
for two seconds to set its line and color.
Eraser
Two methods are available to erase written errors or content as follows:

Click to select the eraser, and then you can use it to erase the content on the
white board.

Use five fingers to touch the screen and a circle is displayed indicating the scope for
erasing. Move the circle to erase the content that you are writing.