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©
1997,
2004,
2006
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
G
ETTING
S
TARTED WITH THE
CBR 2™
S
ONIC
M
OTION
D
ETECTOR
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.