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Texas Instruments TI-84 Plus Maintenance And Care

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TI Graphing Calculator Care

The proper maintenance and care for TI graphing calculators will help ensure the highest quality of performance – whether

you use them each day in class or bring them out of storage for student use on state and standardized testing.

TI recommends beginning the following graphing calculator operation and test preparation steps at least two weeks in

advance of the scheduled test date.

TI Graphing Calculator Operation Checklist

Confirm Working Condition

 Gather all school-owned graphing calculators in order to inspect each unit.

 After storing your handhelds for the summer, ensure that you have access to new batteries at the start of the

school year and prior to the start of testing.

 Turn on the graphing calculator.

 The screen may appear blank. Adjust the contrast darker and/or lighter. To adjust the contrast, press and release

the [2nd] key. Then press the up arrow (darker) and/or down arrow (lighter). Repeat as necessary.

 Consider asking students to inspect their own graphing calculators.

Battery Replacement

 Do not mix batteries: rechargeable and non-rechargeable, new and used, types or brands.

 Do not remove both the graphing calculator’s “AAA” and lithium batteries at the same time. The round lithium (or

button) battery provides auxiliary power while “AAA” batteries are being replaced. This will protect data stored in

the unit’s memory.

 Install the four (4) “AAA” batteries according to polarity (+,–) diagrams.

Reset Options

If a graphing calculator remains in non-working condition after inspection and battery replacement, it may need to be reset.

Reset option 1:

 Remove all four (4) “AAA” batteries.

 Press and hold the [ON] key for 30 seconds.

 Then put the batteries back into the graphing calculator and turn on.

 The screen’s contrast may also need to be re-adjusted (see Confirm Working Condition).

Reset option 2:

 Remove all of the batteries including the round backup/lithium battery for five minutes. After the five minute period,

reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.

Reset option 3:

 This option requires that you reinstall the operating system on the graphing calculator.

 Remove one of the AAA batteries.

 Press and hold the DEL key. While holding DEL, reinsert the AAA battery and then turn the calculator on.

 The calculator should display "Waiting...Please install calculator software now".

 Follow the instructions for the TI-83 Plus, TI-83 Plus Silver Edition or the TI-84 Plus Family to reinstall the

calculator operating system.

Troubleshooting Tips & Support

 Log onto support.education.ti.com.

 E-mail [email protected].

 Call 1.800.TI.CARES – Monday – Thursday 8:00 a.m. - 7:00 p.m. CST; Friday 10:00 a.m. – 7:00 p.m. CST.

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