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How do you turn off Op1 and Op2? - Texas Instruments TI-15 Explorer Calculator

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Z1275 produces horizontal lines through images. Flash, auto, program....doesn't matter what mode.


If your Z1275 has horizontal lines going through the images you should call Kodak Technical service

the number is 18002356325 op1 op12 op2

hope this help


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Camera wont start

For this problem do the ff:

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You can still that on the TI 15 explorer (look for constant calculations page 57 in your user manual or maybe the teacher's guide that you can download from

1. First you define the operation you want to perform, using the OP1 key as follows
[OP1] [+] [6] [OP1] this sequence stores the operation you intend tu use repeatedly.
2. Since you want multiples you must start the sequence with 0
You do that by keying in the number 0
3. Press [OP1] repeatedly.

Each time you press [OP1] a counter shown on the lower left corner of the screen increases its value by 1, and the result (on the lower right corner) shows you the next multiple.

If you just want to add the same number repeatedly starting from some chosen number, in step 2 above use any number but zero.

[OP1] [+] [6] [OP1]
[OP1] [OP1] [OP1 etc.
will generate the numbers 2+6=8, 14, 20 etc.

Hope it helps

Aug 19, 2008 | Texas Instruments TI-15 Explorer...

2 Answers

AV channel on magnavox tv

This worked for my 20" Philips Magnavox 20MT4405/17 TV, it might work for you as well. DISCLAIMER: This is just a solution that I pieced together information from various internet sources, as I could not find a free copy of the service manual to verify this. Furthermore, I am not a technician of any sort.

Enter your TV's service menu by pressing this sequence of buttons on your remote while the TV is on:
062596 Menu

Use the arrows on your remote to scroll down to "Options", push the right arrow to enter options.

Change the 7 options parameters in order to (write down the original values in case this does not solve):
OP1: 065
OP2: 215
OP3: 065
OP4: 162
OP5: 204
OP6: 201
OP7: 000

You need to enter all 3 digits for every number, even if there are zeroes. You use the numbers on the remote to do this.

Turn the TV off with the built in power button.

Unplug the TV for 10 seconds.

Plug the TV back in, turn it back on.

If this does not solve your problem, reset the values of the options in the service menu to the values you wrote down earlier because you have a different problem than what this fix works for.

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Cannot get the "fix" to go off.

How do I clear off fix (rounding) mode on the TI-10 and TI-15?

In order to clear Fix off the calculator just press the following keys
- First press the [Fix] key
- Next press the [.] decimal key

Oct 01, 2007 | Texas Instruments TI-15 Explorer...

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