Counts upwards from zero for measuring time
A tool for collecting and displaying answers to questions.
① Teachers can invite students to join the
interactive activities through QR code or IP
address.
② It include voter, responder, selector,
message and other rich activities.
Focus on specific areas of the screen. Teachers can
use this function to focus on specific areas of the
screen.
It will record all screen picture and sound of this
set, output mp4 file.
Freeze and zoom the current content on
the screen
Shortcut to switch to ops channel
It can also show other source signal even you work on Android.
Make full screen into two part, you can
choose two apps running in same time
and let them run in left and right
screen.
Lock the screen to prevent others from using. If there is no lock screen
password, you will prompt that you need to set the lock screen
password first.
It is a lock function to stop the use of the screen.
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