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Error Messages - Texas Instruments CBL User Manual

Cbl system experiment workbook
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Error Messages

ERR:BREAK
If you press É while a program is running, you will see a screen with the message ERR:BREAK. This
means that you have not only quit the program currently executing, but also exited the entire application
and returned to the Home screen.
ERR: MEMORY
The calculator can store up to ten "pages" of applications. These pages can be divided among different
applications. Data in the calculator Archive reduces the number of pages available to applications. In order
to run a selected program, the application must load the program into RAM, so there must be enough free
RAM available. If there is not enough RAM to run the selected program, the application will exit and you
will see a screen with the message ERR: MEMORY. You should make more RAM available by deleting or
archiving items currently in RAM, and then run the application again. If the application exits normally, or
because of a break or out-of-memory error, it automatically removes the TI Basic programs that it loaded
into RAM.
Other errors
Other types of errors may occur while you are running a program. If any other type of error occurs, the
application will exit and you will see a screen beginning with ERR:, followed by the type of error. Such an
error often indicates that the activity was not performed in the proper sequence as described by the activity,
or that data collected from the CBL was in error. When such an error occurs, the TI Basic program(s) that
the application loaded into RAM are not removed automatically. Since they remain in RAM, the error
screen provides a GOTO option. If you select the GOTO option, the calculator will show which line caused
the error. This may help in diagnosing the problem.
ERR:DUPLICATE NAME
Before the CBL application runs a selected program, it first checks to see whether a program with that name
already exists in the calculator. If a program with the same name already exists and is archived, the
application will display an error message and exit. The application cannot create another program with the
same name in RAM as one in the archive. You must either delete the existing archived program, rename it,
or unarchive it into RAM to be used in place of the built-in application version.
If a program with the same name already exists and is protected, the application will display an error
message and exit. The application will not replace a protected program with its own version. You must
either delete the existing protected program or rename it.
If a program with the same name already exists in RAM and is not protected or archived, the application
will display a menu of options for you to select from.
Option 1:USE IT means that the application will not replace the existing program with its own version, but
will instead use the existing version. This may be useful if you encounter an error during a previous
program run and alter the program to try to fix the error. You can also modify the original TI Basic program
file and load it into your calculator and it will be used in place of the built-in application version. If you
select this option, the application will never automatically remove the program.
Option 2: REPLACE IT means that the application will replace the existing program in RAM with its
own version. If the application later exits normally, it will also automatically remove its own version from
RAM so that nothing remains.
Option 3: REPLACE ALL is the same as Option 2, except that the application will automatically replace
any other programs that it uses (in those cases where it uses more than one) if duplicates exist in RAM. This
simply keeps the application from presenting the menu to you multiple times.
Option 4: EXIT THIS APP exits the application without changing RAM in any way. You may want to
select this option in order to explore what is in the existing program.
© 1999 Texas Instruments Incorporated
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