Solution 11691: Adjusting the Contrast on a TI Graphing Calculator.
How do I adjust the contrast on a TI graphing calculator?
If the screen of the graphing calculator is very dark (as if all the pixels are turned on) or very dim (as if the unit is turned off), the contrast may need to be adjusted. The instructions below will demonstrate how to adjust the contrast of the screen.
To adjust the contrast on a TI-73 Explorer™, TI-80, TI-81, TI-82, TI-83 family, TI-84 Plus family, TI-85 or TI-86:
1) Press and release [ON].
2) Press and release [2nd].
3) Press and
hold the down arrow (to lighten) or up arrow (to darken). (The up and down
directional arrows are located in the top right corner of the graphing
calculator).
To adjust the contrast on a TI-89, TI-89 Titanium, TI-92, TI-92 Plus or Voyage 200™:
1) Press and release [ON].
2) Press and hold the green diamond key.
3) Press and hold the minus key (to lighten) or plus key (to darken).
To adjust the contrast on a TI-Nspire or TI-Nspire CAS:
1) Press and release [ON].
2) Alternate between the [ctrl] key and the
minus key to lighten.
3) Alternate between the [ctrl] key and the plus key
to darken.
If the screen still cannot be viewed correctly, see Troubleshooting a TI Graphing Calculator That Will Not Turn On.
Please see your calculator's guidebook for additional information.