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C
OPYING PERMITTED PROVIDED
TI
COPYRIGHT NOTICE IS INCLUDED
14
G
ETTING
S
TARTED WITH
CBR
© 1997 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Activity 1—Match the graph
linear
Data collection
➊
Hold the
CBR
in one hand, and the calculator in the other. Aim the sensor directly at a
wall.
Hints:
The maximum distance of any graph is 4 meters (12 feet) from the
CBR
. The
minimum range is 0.5 meters (1.5 feet). Make sure that there is nothing in the
clear
zone
(see page 7).
➋
Run the
RANGER
program (see page 5 for keystrokes for each calculator).
➌
From the
MAIN MENU
choose
APPLICATIONS
. Choose
METERS
.
➍
From the
APPLICATIONS
menu choose
DISTANCE MATCH
. General instructions are
displayed.
DISTANCE MATCH
automatically takes care of the settings.
➎
Press
›
to display the graph to match. Take a moment to study the graph.
Answer
questions 1 and 2 on the activity sheet.
➏
Position yourself where you think the graph begins. Press
›
to begin data collection.
You can hear a clicking sound and see the green light as the data is collected.
➐
Walk backward and forward, and try to match the graph. Your position is plotted on
the screen.
➑
When the sample is finished, examine how well your “walk” matched the graph, and
then
answer question 3
.
➒
Press
›
to display the
OPTIONS
menu and choose
SAME MATCH
. Try to improve your
walking technique, and then
answer questions 4, 5, and 6.