Texas Instruments TI TestGuard 4.0 Manual

TI TestGuard™ 4.0 and Press-to-Test
Guidebook
To obtain the latest version of the documentation, go to
education.ti.com/go/download.

ii
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Contents
iii
Important Information .................................................................. ii
TI TestGuard™ 4.0 ...................................................................1
TI TestGuard™ 4.0 Requirements ................................................. 1
Before Using TI TestGuard™ 4.0 ............................................2
Accessing TI TestGuard™ 4.0 .................................................3
TI TestGuard™ 4.0 Menu Options ................................................ 3
SET UP CALCS Mode Options .................................................5
DELETE Mode ................................................................................. 5
DISABLE Mode ............................................................................... 6
Angle and Stat Diagnostics Settings ............................................ 7
DISABLE FUNC Setting ................................................................... 8
APPS TO KEEP Setting ................................................................... 9
Quick Start Instructions .......................................................11
Creating a Calculator Setup ........................................................ 11
Start Transfer ............................................................................... 12
Setup Summary ............................................................................ 13
Re-enabling Programs & Applications ................................13
TI Validation .........................................................................14
Removing TI TestGuard™ 4.0 ...............................................15
Using Press-to-Test ...............................................................16
Appendix A: TestGuard™ 4.0 Testing Mode Setups ...........19
DELETE Mode Reference Tables ................................................. 19
DISABLE Mode Reference Tables ................................................ 21
Appendix B: Troubleshooting TI TestGuard™ 4.0 ...............25
Application Errors ........................................................................ 25
Low Battery Condition ................................................................ 27
Archive Full .................................................................................. 27
Communication Error .................................................................. 27
Validation Error ........................................................................... 27
Checksum Error ............................................................................ 27
Other Errors ................................................................................. 27
Texas Instruments (TI) Support and Service ............................... 29

iv

TI TestGuard™ 4.0 1
TI TestGuard™ 4.0
TI TestGuard™ 4.0 is an application for TI-83 Plus, TI-84 Plus and
TI-84 Plus C Silver Edition graphing calculators that allows educators
control of a student’s calculator in a testing environment.
Educators can use the TI TestGuard™ 4.0 application to:
• Delete selected data stored on students’ calculators before tests.
• Disable selected data on student’s calculator before tests, including
an option for all programs and selected applications.
Important! Be sure to follow the recommendations listed in the
section Before Using TI TestGuard™ 4.0.
• Restore previously disabled programs and applications on student
calculators after tests (if needed).
TI TestGuard™ 4.0 Requirements
The TI TestGuard™ application is not publicly available. To request
TI TestGuard™, call 1-800 TI-Cares.
Important! You must first install TI Connect™ on your computer before
you can install TI TestGuard™ 4.0 on your educator calculator. For
instructions on installing TI Connect™ go to education.ti.com/software.
Hardware Requirements
• TI-83 Plus, TI-84 Plus, and TI-84 Plus C Silver Edition calculators.
• TI USB Connectivity Cable for Windows®/Mac® – to transfer
TI TestGuard™ 4.0 from your computer to your calculator.
• I/O (Input/Output) unit-to-unit cable – to transfer the calculator
setup to a student’s calculator.
Note: TI TestGuard™ 4.0 does not run on the TI-84 Plus mode of the
TI-Nspire™ handheld software.
Software Requirements
• 1500 bytes of free RAM on your calculator.
• For TI-83 Plus calculators – OS version 1.19.
• For TI-84 Plus calculators – OS version 2.55MP.
• For TI-84 Plus C calculators- OS version 4.0.

2 Before Using TI TestGuard™ 4.0
Before Using TI TestGuard™ 4.0
Before you use TI TestGuard™ 4.0, consider the following
recommendations:
• Ensure that you are using the correct operating system on your
calculator. TI TestGuard™ 4.0 application functions with OS version
1.19 for TI-83 Plus, 2.55 MP for TI-84 Plus, and 4.0 for TI-84 Plus C
Silver Edition calculators.
• Advise students to install the latest operating system before an
exam.
• Advise students that TI TestGuard™ 4.0 deletes all programs and
applications on a TI-83 Plus calculator. Students must backup and
re-load programs and applications on the calculator using
TI Connect™ or by linking to another calculator.
•The
Disable logBASE and summation S( functions feature works
on a TI-84 Plus with OS version 2.55 MP and the TI-84 Plus C with OS
version 4.0.
–logBASE and summation S(functions are unavailable for TI-84
Plus with OS version 2.43 MP or earlier, and the TI-83 Plus. If you
create a calculator setup to disable these functions and then
transfer this setup to one of these calculators, TI TestGuard™ 4.0
ignores the DISABLE FUNC setting and no error is created.
– An attempt to disable logBASE and summation S(functions
for the TI-84 Plus with OS version 2.53MP displays an error
message. You must upgrade the OS to 2.55 MP and then transfer
the calculator setup.
• Ensure that the student handheld has 2500 bytes of free RAM.
Note: If the student’s calculator does not have enough free RAM,
TI TestGuard™ 4.0 displays a memory error. In that case, you must
manually remove RAM data from the student’s calculator before you
can run TI TestGuard™ 4.0.
• Ensure you are in possession of both your educator calculator and
the student’s calculator when transferring the calculator setup.
– Ensure the student’s calculator is on the Home screen.

Accessing TI TestGuard™ 4.0 3
– Ensure there are no active programs on a student’s calculator.
Note: A program is running if you see moving vertical lines or a
circle (TI-84 Plus C) in the top right corner of the calculator. Press
Éto stop any running programs. If an ERR: BREAK message
displays, select QUIT.
– Ensure that the student’s calculator is not in SEND/RECEIVE
mode.
Note: A calculator is in SEND/RECEIVE mode if the screen
displays Waiting...
– After you transfer a calculator setup to a student's calculator
and then re-enable programs, students may see programs with
random names when they press . Students cannot access
these programs, but can delete them by pressing yLMem
Management/Delete.
Accessing TI TestGuard™ 4.0
To access the application, complete the following steps:
1. On your calculator, press É.
2. Press Œ.
3. Using the arrow keys, scroll down the list of applications and select
TestGrd 4. The TESTGUARD HOME screen displays.
4. Using the arrow or number keys, select a TI TestGuard™ 4.0 menu
option.
TI TestGuard™ 4.0 Menu Options
When you start TI TestGuard™ 4.0, the following menu options display
on the TESTGUARD HOME screen:
•Setup Calcs – Allows you to configure the testing environment for a
student’s calculator.
•Start Transfer – Allows you to send the testing environment you
configured to a student’s calculator.
•Setup Summary – Allows you to view a summary of the testing
environment you configured before transferring.
•Re-enable – Allows you to re-enable or restore functions, programs,
or applications on a student’s calculator that you previously disabled
for an examination.

4 Accessing TI TestGuard™ 4.0
•TI Validation– Allows you to verify the operating system currently
installed on a student’s calculator as valid TI software.
•About – Allows you to verify the version of TI TestGuard™ you are
using. Always use the latest graphing calculator operating system
and the latest TI TestGuard™ version.
On-screen Menu Options
On-screen menu options display at the bottom of the screen and
correspond to a calculator key. They do not display on all screens and can
vary.
•TESTGUARD HOME – Help (r), Quit (s)
•TESTGUARD 4 HELP – Back (o), OK (q)
•Setup Calcs – Back (o), OK (q), Help (r)
•Setup Summary – OK (q), Help (r)
Note: You can return to a previous screen by pressing the back arrow
(o). The back arrow does not save settings. You can only save settings by
pressing OK (q) or APPS (q), depending on the screen.
TI-84 Plus C

SET UP CALCS Mode Options 5
SET UP CALCS Mode Options
The SETUP CALCS screen offers the following configuration options:
DELETE Mode
Deletes data and applications on a student’s calculator:
Note:
• If you select APPS as the DELETE mode setting and also disable the
logBASE and/or summation S( function, TI TestGuard™ 4.0
changes the mode setting to ALL, so programs are also deleted.
Programs must be deleted to prevent the retention of the pre-
loaded programs containing functions or functionality not allowed
on exams. The following message displays:
ALL (Default) Clears Apps plus Vars in RAM/Archives, leaves
checked () Apps. Clears Pic and Image Vars (TI-84 Plus
C).
RAM/ARC Clears Vars in RAM/Archives, leaves Apps. Clears Pic
and Image Vars (TI-84 Plus C).
APPS Clears Apps, leaves RAM/Archive and checked ()
Apps. Leaves Pic and Image Vars (TI-84 Plus C).

6 SET UP CALCS Mode Options
DISABLE Mode
Disables locks programs or applications on a student’s calculator.
•IfDISABLE FUNC is set to CHOOSE (default), see the “DISABLE
FUNC Setting” section in this chapter. If APPS TO KEEP is set to
CHOOSE, see the “APPS TO KEEP Setting” section in this chapter.
• On a student’s calculator, a not-equal symbol indicates disabled
programs or applications (yLMem Mgmt/Del).
• If you select DISABLE, BOTH and set APPS TO KEEP to NONE,
AppVars are saved.
Important!
• Keep your language localization application in your calculator setup.
The student calculator will default to English after TI TestGuard™
setup. You can have the student run language localizer again if
desired for the exam.
• A special situation exists between the Fundamental Topics in Science
(FunSci) and Science Tools (SciTools) apps. If you disable SciTools,
but do not disable FunSci, when FunSci calls SciTools, the SciTools
app launches and thus becomes re-enabled.
BOTH (Default) Disables Apps and Programs. Leaves any
checked () Apps. AppVars are deleted if any Apps are
checked. RAM/Archive cleared.
PROGRAMS Disables all user programs and usable Apps. AppVars
are deleted with RAM/Archive.
APPS Disables Apps. Leaves AppVars, RAM/Archive and any
checked () Apps.
TI-84 Plus C

SET UP CALCS Mode Options 7
• If you select APPS as the DISABLE mode setting and also disable the
logBASE and/or summation S(function, TI TestGuard™ 4.0
changes the mode setting to BOTH, so programs are also disabled.
Programs must also be disabled to prevent the retention of pre-
loaded programs containing functions or functionality not allowed
on the exams. The following message displays:
Angle and Stat Diagnostics Settings
With TI TestGuard™ 4.0, you can also select the ANGLE and STAT
DIAGNOSTICS mode settings.
ANGLE and STAT DIAGNOSTICS contain the following options:
ANGLE Applies RADIAN or DEGREE (default) to a student’s
calculator. The student can still change this option
in the calculator’s MODE settings.
STAT
DIAGNOSTICS Allows the rand r2correlation coefficients with ON
(default), or disallows with OFF. (This option runs
the DiagnosticsOn or DiagnosticsOff command.)
The student can still change this option by running
the appropriate command, or by changing the
mode settings.

8 SET UP CALCS Mode Options
DISABLE FUNC Setting
With TI TestGuard™ 4.0, you can create a calculator setup that disables
the logBASE and summation S(functions on a student’s TI-84 Plus with
OS 2.55MP and TI-84 Plus C with OS 4.0.
By default, TI TestGuard™ sets DISABLE FUNC to CHOOSE.
Notes:
• If you set DISABLE FUNC to CHOOSE and APPS TO KEEP to
CHOOSE, the DISABLE FUNC screen displays first. From this screen,
press APPS (q) to advance to the YOUR APPS LIST screen, select
the applications to keep and then press OK.
•The
Disable logBASE and summation S( functions feature works
on a TI-84 Plus with OS 2.55 MP and the TI-84 Plus C with OS 4.0.
–logBASE and summation S(functions are unavailable for
TI-84 C Plus with OS 2.43 MP or earlier, and the TI-83 Plus. If you
create a calculator setup to disable these functions and then
transfer this setup to one of these calculators, TI TestGuard™ 4.0
ignores the DISABLE FUNC setting and no error is created.
– An attempt to disable logBASE and summation S(functions
for the TI-84 Plus with OS version 2.53MP displays an error
message. You must upgrade the OS to 2.55 MP and then transfer
the calculator setup.
TI-84 Plus C

SET UP CALCS Mode Options 9
• If you select APPS as the DELETE mode setting and also disable the
logBASE and/or summation S(function, TI TestGuard™ 4.0
changes the mode setting to ALL, and programs are also deleted.
Programs must be deleted to prevent the retention of the pre-
loaded programs containing functions or functionality not allowed
on exams. The following message displays:
• If you select APPS as the DISABLE mode setting and also disable the
logBASE and/or summation S(function, TI TestGuard™ 4.0
changes the mode setting to BOTH, so programs are also disabled.
Programs must also be disabled to prevent the retention of pre-
loaded programs containing functions or functionality not allowed
on the exams. The following message displays:
APPS TO KEEP Setting
By default, TI TestGuard™ 4.0 sets APPS TO KEEP to NONE. To keep
certain applications on a student’s calculator, complete the following
steps:
1. From the SETUP CALCS menu, set APPS TO KEEP to CHOOSE.
2. Press OK (q). The YOUR APPS LIST screen displays:

10 SET UP CALCS Mode Options
Note:
– Catalog Help (CtlgHelp) always appears in the App list.
– If you set DISABLE FUNC to CHOOSE and APPS TO KEEP to
CHOOSE, then the DISABLE FUNC screen displays first. From
this screen, press APPS (q) to advance to the YOUR APPS
LIST screen.
3. From the YOUR APPS LIST screen, and using the arrow keys to
navigate, select or unselect the functions by pressing the check mark
(s) key.
4. If you want to add an application to the list, press NEW (p) and
the ADD TO APP LIST screen displays:
In this screen, enter the name of the application.
Note: You must enter the correct name of the application for
TI TestGuard™ 3.0 to recognize it. Press Char (s) to enter special
characters.
When finished, press OK (q).
5. Press OK (q).

Quick Start Instructions 11
Quick Start Instructions
On your educator calculator, you can use TI TestGuard™ 4.0 to setup,
view, and transfer the data that students will use on their calculators for
an examination.
Creating a Calculator Setup
1. Select and run the TI TestGuard™ 4.0 application.
2. From the TestGuard Home screen, select 1: Setup Calcs. The SETUP
CALCS screen appears, offering configuration options.
Note: Default options are highlighted.
3. Use the arrow keys to make your selection(s) and then press Í:
a) DELETE - ALL,RAM/ARC or APPS - Select Delete to
remove files permanently. When you delete data, RAM is
reset and archived data is deleted (excluding Apps that you
have specifically saved) depending on the option you have
selected.
b) DISABLE: BOTH,PROGRAMS or APPS - Select DISABLE to
remove files only temporarily, so they can be re-enabled
after testing. When you disable data, programs and
applications are disabled (excluding Apps that you have
specifically saved) depending on the option you have
selected.
c) ANGLE: RADIAN or DEGREE - Select the appropriate angle
setting.
d) STAT DIAGNOSTICS: ON or OFF - Select ON to view the rand
r2 values in statistics.
e) DISABLE FUNC: NO or CHOOSE - Select the default CHOOSE
to disable the logBASE and/or summation S( functions.
TI-84 Plus C

12 Quick Start Instructions
Note: TI TestGuard™ 4.0 can only disable the logBASE and/or
summation S ( functions on a student’s TI-84 Plus with OS
version 2.55 MP and TI-84 Plus C with OS version 4.0. Students
with TI-84 Plus OS 2.53 MP will need to update their OS to
2.55MP if these functions need to be disabled for testing.
f) APPS TO KEEP: NONE or CHOOSE -
– TI TestGuard™ 4.0 sets APPS TO KEEP to NONE (default).
– Select CHOOSE to manage selected Apps for an exam on
the student’s calculator.
4. After completing your selections, press OK (q).
Note: See Appendix A for examples of testing mode setups and the
results on student graphing calculators.
TI TestGuard™ 4.0 saves the testing preference setup in an application
variable (AppVar) named “AppList4.” You can transfer this AppVar to
another TI-83 Plus, TI-84 Plus and TI-84 Plus C Silver Edition graphing
calculators.
Start Transfer
1. Connect to a student graphing calculator, one at a time, using an I/O
unit-to-unit cable.
2. On the student’s calculator, press Éand then u.
3. On the educator’s calculator, from the TESTGUARD HOME screen,
select 2:Start Transfer.
a) The unit displays a TRANFERRING... message.
b) When complete, the TRANSFERRING COMPLETE screen
displays a randomly generated password. The same
password will display on the student’s calculator to verify a
successful process.
4. Connect to the next student’s calculator, press 1:Again to continue
transfers.

Re-enabling Programs & Applications 13
5. When you are finished with transfers on all student calculators, press
2:Quit on your educator calculator to return to the TESTGUARD
HOME screen.
Note: The TI-84 Plus C student calculator displays a blue status bar
when in TEST MODE ENABLED.
Setup Summary
After you have created a calculator setup, you can view a summary on
your educator calculator by selecting 3:Setup Summary from the
TESTGUARD HOME screen.
Re-enabling Programs & Applications
You can use TI TestGuard™ 4.0 to re-enable the functions, programs and
applications that you disabled in a calculator setup.
Note: You can only delete, not disable, programs and applications on
TI-83 Plus calculators. Students with TI-83 Plus calculators must re-install
programs and applications using TI Connect™ or by linking to another
calculator.
1. Connect your educator calculator to a student’s calculator with an
I/O unit-to-unit cable.
2. On your educator calculator, from the TESTGUARD HOME screen,
select Re-enable.
The screen clears and displays TRANFERRING... When the transfer is
complete, the TRANSFERRING COMPLETE screen displays:
Note: The TRANSFERRING COMPLETE screen displays a
confirmation code on both the educator calculator and the student’s
calculator.
3. If you want to re-enable functions, programs, and applications on
another calculator, connect another student calculator and select
Again.
4. If you do not want to re-enable another calculator, select Quit to
return to the TESTGUARD HOME screen.

14 TI Validation
Note: Students can also re-enable functions, programs, and
applications by linking their calculators to another calculator, and
then transfer any file(s) by pressing y8, SEND/RECEIVE.
TI Validation
You can use TI TestGuard™ 4.0 to check a particular calculator for valid
software.
To validate the OS version, complete the following steps:
1. Connect your educator calculator to the student’s calculator with an
I/O unit-to-unit cable.
2. On your educator calculator, from the TESTGUARD HOME screen,
select TI Validation. TI TestGuard™ 4.0 can take up to one minute
to validate a student’s calculator.
When validation is complete, the Validating TI screen displays:
Note: The screen displays a randomly-generated confirmation code.
The same code displays on both the educator calculator and the
student’s calculator. TI TestGuard™ generates a new confirmation
code each time you run TI Validation.
3. If you want to validate the operating system of another calculator,
connect another student’s calculator and select Again.
4. If you do not want to validate another calculator, select Quit to
return to the TESTGUARD HOME screen.
If you receive an error message display, press HELP (r)for more
information. Call 1-800 TI-Cares with the error number in the display.
Note: Educators may need to have extra graphing calculators available
for students for the exam, if they encounter an error for TI Validation.
TI-84 Plus C

Removing TI TestGuard™ 4.0 15
Removing TI TestGuard™ 4.0
To remove TI TestGuard™ 4.0, complete the following steps:
1. Press yLto display the MEMORY menu.
2. Select Mem Management/Delete.
3. Use }or †to select Apps.
4. Use }or †to select TestGrd4.
5. Press {.
6. Select Yes to confirm.
7. Press y5to return to the Home screen.

16 Using Press-to-Test
Using Press-to-Test
As an alternative to TI TestGuard™ 4.0, Press-to-Test deletes all RAM and
Archive except for the disabled Apps and Programs.
You can access Press-to-Test on TI-84 Plus calculators with OS versions
2.40, 2.43, 2.53MP and 2.55MP, and the TI-84 Plus C with OS version 4.0.
Note: Press-to-Test includes fewer calculator options on TI-84 Plus with
OS version 2.40, 2.43 and 2.53 MP.
To use Press-to-Test on a student’s calculator, complete the following
steps:
1. With the TI-84 Plus or TI-84 Plus C turned OFF, press and hold down
the right, left and ON keys and then release.
2. The RESET OPTIONS screen displays:
Notes:
A blue status bar is shown on the TI-84 Plus C when in TEST MODE
and TEST MODE ENABLED.
Pic & Image Vars are disabled on the TI-84 Plus C. These Vars are
stored in Arc memory on the TI-84 Plus C. Vars are deleted from RAM
and Arc on the TI-84 Plus and TI-83 Plus.
By default, ANGLE is set to DEGREE, STAT DIAGNOSTICS is set to
ON, and DISABLE logBASE and DISABLE S( are set to YES.
Press-to-Test can only disable the logBASE or summation S (
functions on a student’s TI-84 Plus with OS version 2.55 MP and TI-84
Plus C with OS version 4.0.
3. If you want to change the default settings, move the cursor over the
desired setting and press Í.
TI-84 Plus C