Osoto Voting System - Manual (Page 83)

TopA interactive teaching system user ’s manual
83
② Click mouse right button, could open the menu bar, so you can set up
the eraser size.
Eraser menu bar.
③Press key or key can enlarge or diminish the size of eraser.
6.2.5 Magnifier
Click “ ” key, open the magnifier to highlight the keys and difficulties.
The attributes can be set.
Full screen