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© 1997, 2004, 2006 TEXAS INSTRUMENTS INCORPORATED GETTING STARTED WITH THE CBR 2™ SONIC MOTION DETECTOR 15
Activity 2—Match the Graph Linear
Data collection
Ê Hold the CBR 2™ motion detector in one hand, and the calculator in the other. Aim the
sensor directly at a wall.
Hints: The maximum distance of any graph is 6 meters (about 20 feet) from the
CBR 2™ motion detector. The minimum range is 15 centimeters (about 6 inches). Make
sure that there is nothing in the clear zone (see page 7).
Ë Run the EasyData application or RANGER program.
Ì EasyData Users: From the Setup menu choose 3:Distance Match. Distance Match
automatically takes care of the settings.
RANGER Users: From the Main Menu, choose 3:Applications. Choose the distance units,
then choose 1:Distance Match, and follow the directions on the screen.
Í Select Start (press q) and follow the instructions on the
screen.
Î Select Next (press q) to display the graph to match. Take a
moment to study the graph. Answer questions 1 and 2 on the
activity sheet.
Note: The graph to match will be different each time step 4 and
step 5 are performed.