Texas Instruments TI-80 User Manual

Service and Warranty Information B-7
Replace the plastic battery compartment cover. Turn the
calculator on and adjust the contrast display.
To adjust the display contrast, press and release the
2
key.
To increase the contrast (darken the screen), press and hold
7
. To decrease the contrast (lighten the screen), press and
hold
8
.
Changing the
Batteries
(Continued)

Texas Instruments TI-80 Specifications

General

Brand	Texas Instruments
Model	TI-80
Category	Calculator
Language	English