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3. Select the sensor from the Select the sensor to use as trigger drop-down
list.
Note: The menu displays the sensors connected to the TI-Nspire™ Lab
Cradle.
4. Select one of the following from the Select the type of trigger to use drop-
down list.
• Increasing through threshold. Use to trigger on increasing values.
• Decreasing through threshold. Use to trigger on decreasing values.
5. Type the appropriate value in the Enter the trigger threshold in units of the
selected sensor field.
When entering the trigger value, enter a value within the range of the
sensor.
If you change the unit type after setting the threshold, the value
automatically updates.
For example, if you use the Vernier Gas Pressure sensor with the units set
as atm and you later change the units to kPa, the settings are updated.
6. Type the number of data points to keep before the trigger value occurs.
7. Click OK.
The trigger is now set and enabled if values were entered.
8. (Optional) Select Experiment > Advanced Set up > Triggering to verify the
active indicator is set to Enabled.
Important: When the trigger is enabled, it stays active until it is disabled or
you start a new experiment.
Enabling a Disabled Trigger
If you set the trigger values in the current experiment, and then disable them,
you can enable the triggers again.
To enable a trigger:
Data Collection 445