Question about Texas Instruments TI-84 Plus Calculator
Hi calcu, ~Connect the TI Connectivity cable between the PC and the calculator. Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary. If the above process did not work. Try re-doing the process and, extend the time in step 4 by 5 minutes to 10 minutes before you put all the batteries back in the calculator.
The process below should reset your calculator.
Please be prepared to re-install the calculator's OS if you run through this process.
Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds. Now, Pressing the [2nd] key followed by pressing and releasing the up arrow; repeat as necessary. Is the screen showing any activity? If not continue the process.
reinsert the AAA battery and then turn the calculator on. The calculator should display the
message "RAM Cleared". Release the [CLEAR] key and then press it one more time to remove the message. If calculator did not display the message try pressing and releasing the [2nd] key followed by pressing and releasing the up arrow for one second. Goto step 2.
"Waiting...Please install calculator software now". Follow the instructions for the
TI-83 family or TI-84 Plus family to reinstall the calculator operating system. If the calculator did not turn on connect the calculator to the computer and open Ti Connect. Next, open Device Explorer. Is the calculator asking to be installed? goto step 3.
~Click on Start >> Programs >> TI Tools >> TI Connect >> TI OSDownloader
~Follow the on-screen directions to reinstall the calculator's OS. When or, if the calculator install the fresh OS goto step 4.
~Connect the TI Connectivity cable between the PC and the calculator.
Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.
If the above process did not work. Try re-doing the process and, extend the time in step 4 by 5 minutes to 10 minutes before you put all the batteries back in the calculator.
Posted on Jan 01, 2011
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Posted on Jan 02, 2017
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The UF4-200C is already programmed to control Motorola (formerly) General Instrument DCT1000,
DCT1200, and DCT2000 cable boxes. To control another device, look for the list of manufacturers'
three-digit codes for the device type in the Television Codes, VCR Codes sections, or Cable and Aux
Codes sections, then perform the following steps.
On the remote control, press and hold the appropriate mode key until the four mode
keys flash twice. The mode key will continue to flash.
Enter the three-digit code.
After you press the first digit, the mode key should light and stay on. After you press
the last digit, the mode key should flash three times and turn off.
If the mode key does not flash three times before turning off, the code is invalid for
this device type. Repeat the procedure with another device code.
Point the remote at the device and press POWER. If the device turns on or off, you
have finished programming.
If you have tried all the codes listed for the manufacturer and the device does not
respond, refer to the CodeScan™ section later in this manual.
More details are available with its manual you get with it.
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