Press and release 2nd, then press and release down-arrow. Repeat as necessary. If you go too far, press and release 2nd, then press and release up-arrow.
SOURCE: TI-85 manual
I have the original TI-85 Graphics Calculator Guidebook (quite thick), but I no longer own the calculator. You are welcome to have it, since I was just about to throw it away. If you want it, please e-mail me at: [email protected] within the next week, as I'd like to get it off my desk. Thanks! -- Sandy
SOURCE: How do I increase the screen brightness on my TI-85 calculator?
push the 2nd key and then the up arrow.
Jon
SOURCE: Dark screen on my TI-84 plus. What to do?
Press the 2nd key (yellow one) and then press the UP arrow to increase brightness or down to decrease but seems like you to need to press UP arrow.
SOURCE: The background on my ti-83 calculator is so dark.
Hello,
1. Press [2nd] and release it.
2. Press [ArrowDown] and release it.
3. repeat steps 1 and 2 in sequence until screen lightens up.
Hope it helps.
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