Texas instruments CBL 2 Troubleshooting Guide

CBL 2 Troubleshooting Guide

Screen

Explanation

This screen appears when too much time has passed on a
screen without activity. This timeout feature takes advantage
of the Automatic Power Down (APD) feature of the
calculator and CBL 2 to conserve battery power.

♦

Press À YES to continue the program.

♦

Press Á NO to quit.

This screen appears when CBL 2 is not connected to the
calculator or when CBL 2 needs new batteries.

♦

Check the connection between CBL 2 and your TI
calculator. Firmly push in the link cable, and then
choose 1: INTERFACE.

♦

Check batteries in the CBL 2. Disconnect the calculator
from the CBL 2; then press TRANSFER on the CBL 2. If the
CBL 2 does not make a sound or light the red LED, change
the batteries in the CBL 2.

If you choose 1: INTERFACE without correcting the problem,
the link error screen appears.

Check the connection and batteries as explained above and
then press ENTER.

This screen appears when:

♦

The CBL 2 has collected data and that data has not been
retrieved to the calculator.

or

♦

The user exits DataMate in the middle of data collection
(possibly by pressing ON) and then restarts DataMate.

Press ENTER. Then choose one of the following:

♦

To retrieve the data, press · TOOLS and then Á RETRIEVE
DATA.

♦

To delete the data, press CLEAR to reset the CBL 2.

The DataMate main screen shows a non-autoID sensor from
a previous experiment even though the sensor is no longer
connected. (For example, the screen on the left shows a
Relative Humidity sensor even though the sensor was
removed and DataMate was restarted.)

Press ‘ to reset the CBL 2 to initial conditions. (In
general, whenever you see something on the screen that
does not look correct, press ‘ to reset.)

Screen

Explanation

This screen appears when the CBL 2 is disconnected from the
calculator and used for a different task or when the CBL 2
loses power. When the CBL 2 and calculator are reconnected,
the calculator may not recheck the sensor setup, and this
error results.

Press ‘ to reset, and then set up the channel again.

These three screens usually appear when there is not enough
memory available in the calculator to collect any or all of the
data and then graph it. Reduce the number of data points
you are trying to collect.

Following are
can be collected if the calculator RAM memory has been
reset prior to sending DataMate to the calculator:

Calculator

TI-73

TI-82

TI-83

TI-83 Plus

estimates

of the number of data points that

1 sensor

~120

98*

~200

998*

2 sensors

~90

98*

~150

~600

Sonic

~70

98*

~120

~400

TI-86

TI-89**

TI-92

TI-92 Plus**

* This is the limit of the TI-82/83 Plus calculator list.

** For the TI-89 and 92 Plus, the first value is the number of
points that can be collected with 1.xx Calculator Operating
System; the second value is the number that can be collected
with 2.03 Calculator Operating System. The 2.03 Operating
System optimizes the calculator memory; we recommend you
upgrade to the 2.03 (or higher) code. The latest code is
available at: http://www.ti.com/calc/docs/downloads.htm.

*** This is the limit of the TI-89/92 Plus calculator data
variable.

Note: If you use DataMate’s curve fit option, the memory
available for collecting data will be less than that shown above
because more calculator memory is required for curve fitting.

Using a TI-89, TI-92 or TI-92 Plus, if the memory error occurs
because too many data points were attempted, you must go
into the memory management of the calculator and delete
the "cbldata" data var. Then restart DataMate and begin
data collection. Remember to reduce the number of points
collected.

~3000

~600/998***

~300

~600/998***

~2000

~600/998***

~200

~600/998***

~1500

~450/~800

~150

~450/~800