Question about Texas Instruments TI-85 Calculator
The screen on my TI 85 is too dark. How can I make it lighter so I can read it.
The "2nd" key and then down arrow will lighten it up. You have to press 2nd and then the down arrow for EACH adjustment, in other words, you cannot just hold the keys down. Keep pressing 2nd and then down over repeatedly.
The bad news is that with brand-new batteries that are really charged up good, the display should be readable but will will be dark. I am using new Lithium Ion Energizers, and the display will not turn down. I also tried using NiMH rechargeables with no luck, so your best bet on batteries is probably just plain old AAA alkalines.
Posted on Jan 31, 2013
I'm so glad someone asked this question before me. I have my wife's to help me with some economics problems, but I'm having trouble contacting her (I'm in Kuwait, while she's in the US) Thanks for the 2nd key arrow thing.
Posted on Sep 20, 2008
Press the 2nd key and the down arrow to lighten the screen.
Posted on Nov 13, 2007
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Posted on Jan 02, 2017
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