User Guide

Appendix C: Service and Warranty Information 400
Appendix C:
Service and Warranty Information
Texas Instruments Support and Service
For general information
For product (hardware) service
Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin Islands: Always contact Texas
Instruments Customer Support before returning a product for service.
All other customers: Refer to the leaflet enclosed with this product (hardware) or contact your local
Texas Instruments retailer/distributor.
Battery Information
When to Replace the Batteries
The TI-84 Plus uses five batteries: four AAA alkaline batteries and one button cell backup battery.
The backup battery provides auxiliary power to retain memory while you replace the AAA
batteries.
When the battery voltage level drops below a usable level, the TI-84 Plus:
Home Page: education.ti.com
KnowledgeBase and
e-mail inquiries:
education.ti.com/support
Phone: (800) TI-CARES / [phone]
For U.S., Canada, Mexico, Puerto Rico, and
Virgin Islands only
International
information:
education.ti.com/international
Displays this message when
you turn on the unit.
Displays this message when you attempt
to download an application.
Message A Message B