Osoto Voting System - Manual (Page 85)

TopA interactive teaching system user ’s manual
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② Press “R” key on the mini board or mouse right key, in pop-up menu,
set the parameters.
Magnifier menu bar.
③Press key or key can enlarge or diminish the size of magnifier.
④Press the mouse left key over the blue border spotlight and drag it, you
can enlarge or diminish the size of the magnifier.
6.2.6 Focus lamp
Click key, open the focus lamp to highlight the keys and difficulties.
The size and type can be set.
Rectangle