Texas Instruments TI-89 Titanium User Manual

Getting Started 64
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.
3. Replace the battery cover on the calculator. The cover should snap into place.
Replacing the AAA (alkaline) batteries
As the batteries lose power, the display begins to dim, especially during calculations. If
you find yourself increasing the contrast frequently, replace the AAA alkaline batteries.
The status line also gives battery information.
Indicator Meaning
Batteries are low.
Replace batteries as soon as possible.

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches