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- Check student set-ups to make sure the motion sensor points parallel to the floor and that the switch at the top is set to "Person."
- Make sure that the area around the students is clear of obstacles.
- Tell students that they must hold the GLX and Motion Sensor firmly.
- A one to two inch long 1/4 x 20 bolt and two nuts may be used instead of the Adjustable Angle Clamp. Also, students may just hold the GLX securely above the Motion Sensor.
- The student with the whiteboard may also try to match the graph. (The student with the GLX will have to communicate with the student with the whiteboard.)
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