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16 GETTING STARTED WITH THE CBR 2™ SONIC MOTION DETECTOR © 1997, 2004, 2006 TEXAS INSTRUMENTS INCORPORATED
Activity 2—Match the Graph
(cont.)
Linear
Ï Position yourself where you think the graph begins. Select Start (press p) to begin
data collection. You can hear a clicking sound and see the green light as the data is
collected.
Ð Walk backward and forward, and try to match the graph. Your position is plotted on the
screen.
Ñ When the sample is finished, examine how well your “walk” matched the graph, and
then answer question 3.
Ò Select Retry (press q) to redisplay the same graph to match. Try to improve your
walking technique, and then answer questions 4, 5, and 6.
Explorations
In Distance Match, all graphs are comprised of three straight-line segments.
Ê Select New (press p) to display a new graph to match. Study the first segment
and answer questions 7 and 8.
Ë Study the entire graph and answer questions 9 and 10.
Ì Position yourself where you think the graph begins, select Start (press p) to begin
data collection, and try to match the graph.
Í When the sampling stops, answer questions 11 and 12.
Î Select New (press p) to display another new graph to match.
Ï Study the graph and answer questions 13, 14, and 15.
Ð Select New (press p) and repeat the activity, if desired, or select Main (press
r) to return to the main screen
Ñ Select Quit (press s) and OK (press s) to exit the EasyData App.