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DECREASING means that the values of the data being
collected will be decreasing.
5.
Press the number beside the trigger type you want.
6.
Key in the number (the threshold) at which you want
data collection to begin and press Í. (Put in a
threshold value in the units of the sensor you are using
such as ¡C for temperature or Newtons for force.)
When the values of the data being collected reach this
number, CBL 2™ will begin storing data.
7.
Key in the number (percent) of data you want the CBL 2 to prestore and press
Í. The Advanced Time Graph Settings screen appears.
"Prestore" is the amount of data collected before the threshold was reached
that you want to keep (10 percent, 20 percent, and so on). From the time the
experiment begins until the threshold is reached, CBL 2 collects data in its
"buffer." When the threshold is reached, CBL 2 begins storing the data it is
collecting and discards the data it collected before the threshold was reached
unless a prestore value is entered.
8.
Press À OK to exit the screen.
9.
Press À OK again to return to the Setup screen.
Collect the Data
To start your experiment, press Á START on the DataMate Main Screen. The CBL 2
begins collecting data according to the data collection mode you have set.
See page 27 for a description of the data collection modes.
When you finish collecting data, the Graph Menu screen is displayed. See Graph the
Data below for more information.
Note: In Time Graph mode, the data from CH1 is automatically graphed in REALTIME when
you press £. Values are shown in the upper right corner of the screen as the data is plotting.
12
G
S
ETTING
TARTED WITH THE
CBL 2™ S
YSTEM
© 2000, 2003 T
I
EXAS
NSTRUMENTS
I
NCORPORATED
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