47
（
2
）
Erase
：
A)
click
graphic
，
you can clear up edited contents under signature status;
B)
click
, the eraser
function will come up.
（
3
）
Quick scan sharing
：
click
graphic, then save theme interface to sign graphics, if network is connected, you can
use mobile phone to scan quick scan code to refer to. download and save the theme graphics.
2.4
Multi-screen sharing
1.Initiate the function (need to pay for this function)
Click
（
multi-screen sharing
）
graphic
：
open multi-screen interactive interface, apply showing interface as graphic.
Multi-screen interactive function supports mobile phone sharing and computer sharing as below graphic:
