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)
Summary of Contents for TI-80
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