Texas Instruments TITANIUM TI-89 - Manual (Page 70)

Getting Started 70
You can also transfer the OS to another TI-89 Titanium using a USB unit-to-unit cable . If
you accidentally interrupt the transfer before it is complete, you will need to reinstall the
OS via a computer. Again, remember to install new batteries before downloading.
Please contact Texas Instruments as described in Service & Support Information, if you
experience a problem.
Battery Precautions Battery Precautions Battery Precautions Battery Precautions
Take these precautions when replacing batteries:
• Do not leave batteries within the reach of children.
• Do not mix new and used batteries. Do not mix brands (or types within brands) of
batteries.
• Do not mix rechargeable and non-rechargeable batteries.
• Install batteries according to polarity (+ and –) diagrams.
• Do not place non-rechargeable batteries in a battery recharger.
• Properly dispose of used batteries immediately.
• Do not incinerate or dismantle batteries.
Installing the AAA Batteries Installing the AAA Batteries Installing the AAA Batteries Installing the AAA Batteries
1. Remove the battery cover from the back of the calculator.
2. Unwrap the four AAA batteries provided with your product and insert them in the
battery compartment. Arrange the batteries according to the polarity (+ and -)
diagram in the battery compartment.