Longest
distance
100m in
spacious area
display a feedback page, through which the
teacher can get student’s feedback on certain
question.
10. Previous: Show previous question when
answering; show previous page when
displaying the report forms.
11. OK: Confirm the function.
12. Stop: Stop answering, and stop timing
simultaneously.
13. Start: Start answering, and start timing
simultaneously.
14. F2: Auxiliary function key.
15. Next: Show next question when
answering, show next page when displaying
the report forms.
16. F1: Auxiliary function key.