15
Menu Operation
Move the rectangular up/down to set the bottom boundary, suggested to set abreasting to the
first row of students. Press OPEN to confirm and get into Set Right Boundary
Set Right Boundary
.
A blue rectangular frame and instructions will pop up..
Move the rectangular up/down to set the right boundary, suggested to set to a rightmost
position where the lecturer can reach. Press OPEN to confirm and get into Set Left Boundary
Set Left Boundary
A cherry rectangular frame and instructions will pop up..
Set right boundary
，
then press
‘Iris Open’ button to confirm
and go to next step.
Set bottom boundary, then press
‘Iris Open’ button to confirm
and go to next step.
