Question about Casio CFX 9850GA Plus Calculator

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Digit display the digits do not show up properly on the display panel. If I perform an operation I cannot see the digits unless I press hard on the screen. It's as if there is no light.

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  • Casio Master
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Hello,
Adjust contrast [MENU] Arrow till [CONT] icon is highlighted. Arrow down to highlight CONTRAST. Press + ou - to adjust.
You can also adjust colors, if you have the color version.
It this does not work, chamge batteries (main batteries).
Hope it helps.

Posted on Sep 22, 2009

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Posted on Jan 02, 2017

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I have a 2000 saturn ls and my code is 8870. Does anyone know what it is to unlock my radio


Do you want the instructions of how to enter your code?

  1. Turn the ignition ON.
  2. Press the power button on the radio. The display will show "- - - -".
  3. Enter the four digit code by using the and rocker buttons. The numbers will start at 0 0 0 0 and will increase on the display each time the corresponding side of the rocker button is pushed.
    1. Press the down arrow side of rocker button to change left digit.
    2. Press the up arrow side of rocker button to change second to left digit.
    3. Press the down arrow side of rocker button to change third digit.
    4. Press the up arrow side of rocker button to change last digit.
  1. Push the AM/FM button once the four-digit code has been entered correctly.
  2. If the proper code has been entered, the radio will return to the armed mode and normal operation shall return. If the wrong code is entered, the display will momentarily show an error message and then return to display "- - - -" indicating that another try at the correct code can be attempted.

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I have a very old phone, Nokia 7610. it keeps displaying an error message: not enough memory to perform operation. delete some data first. i wasn't able to do the * + 3 + call key + on/off. i can't seem...


press and hold the menu button ..it will show you the apps and program you've just operated,..then click by it one by one and close it properly..do the same procedure on other apps ..thanks

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Ford stereo M102055 showing enter cose


your code is 5 1 4 1

Ford Code Entry Instructions

Once the unit has been turned on the display will show ' CODE - - - -'

Press preset [ 1 ] repeatedly for the first digit
Press preset [ 2 ] repeatedly for the second digit
Press preset [ 3 ] repeatedly for the third digit
Press preset [ 4 ] repeatedly for the third digit

To save the code press the [ 5 ] key to accept.

The set should now operate.

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Is it possible to restore the OS in a Handspring Visor Prism?


You will need to do a hard reset as follows:
To perform a hard reset:
1. Hold down the power button on the front panel of the handheld.
2. While holding down the power button, use the reset tool (or
similar object without a sharp tip) to gently press the reset button.
3. Release the power button.
4. When a message appears on the handheld screen warning that you
are about to erase all the data stored on your handheld, do one of
the following:
Press the top scroll button on the front panel of your handheld
to complete the hard reset and display the Digitizer screen.
Press any other button to perform a soft reset.
Note: With a hard reset, the current date and time are retained.
Formats Preferences and other settings are restored to their
factory default settings.

After performing the hard reset the OS will be just as it came out of the box when purchased.

I hope this helps, if so please rate our solution.

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1 Answer

My centro is stuck on the hotsync. wht do i do?


You may need to reset your phone by doing a hard reset. Here is how:

Hard Reset

With a hard reset, all records and entries stored in your handheld are erased, except for the default or specimen databases predefined by the manufacturer (but see Extended Hard Reset below). Formats Preferences and other settings are restored to their factory default settings. You can restore any data previously synchronized with your computer during the next HotSync operation. If you're running OS 3.1 or earlier, and you're not using a third-party backup utility like BackupBuddy, you may need to reinstall your third-party applications.


To perform a hard reset:
  1. Hold down the power button on the front panel of the handheld.
  2. While holding down the power button, use the reset tip tool (or similar object without a sharp tip), to gently press the reset button inside the hole on the back panel of your handheld.
  3. Release the reset button.
  4. When the logo screen appears on the screen, release the power button.
  5. When the message appears on the handheld screen warning that you are about to erase all the data stored on your handheld, press the upper half of the scroll button on the front panel of the handheld to complete the hard reset and display the Digitizer screen.
Pressing any other button instead of the upper half of the scroll button will perform a soft reset.

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I need to know how to operate the Canon P23-DH V calculator. Such as how to set clock and date


Press and hold the ClockDate Set button for three seconds until the display shows the date with the first digit blinking. Enter a two-digit month, a two-digit date, and a four-digit year, followed by the ClockDate Set button.

Press and release the ClockDate Set button. Press and hold it for three seconds until the display shows the time with the first digit blinking. Enter a four-digit time, press AM/PM as appropriate, then press the ClockDate Set button. Press CE/C to finish and return to calculation mode.

You can download a manual from the manufacturer's web site at http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=DownloadDetailTabAct&fcategoryid=346&modelid=15431

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1 Answer

Operating instructions for blaupunkt 300 in car radio cassette ,got the code but dont know how to punch it in to the radio


ENTER A BLAUPUNKT CAR300 RADIO CODE


Switch the ignition key ON

Press and hold
AS button *  and the  ON button at the same time

Display Shows SAFE  then goes to 10 - - - - with a
"Beep" from the speaker

Press Preset Button "
1 "repeatedly until the 1st Digit of your Code is displayed
Press Preset Button "
2" repeatedly until the 2nd Digit of your Code is displayed
Press Preset Button "
3" repeatedly until the 3rd Digit of your code is displayed
Press Preset Button "
4" repeatedly until the 4th Digit of your code is displayed

If the display  now shows the correct Code number then

Press  Button
AS  and hold to Enter and if successful  there should be a "Beep" from the speaker and the radio should switch on

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Ensure the battery is inserted properly in the camera.
If operating the camera with the power adapter, ensure it is plugged into a working AC outlet.
Ensure no Audio/Video (A/V) cables are connected for viewing pictures on a TV; the LCD screen will not display when an A/V cable is connected.
Perform a reset procedure on the camera....

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The display panel costs about 600$ by itself. It's a metal casing under all of the boards and I definatly would NOT recommend a DIY'er to do it unless you have a digital camera to take pictures of step by step and different colored markers to designate the connectors.

The easiest way to tell a faulty display panel (if it lights) is to gently press on the screen until you see a "ripple effect" in the color. Be warned,pressing too hard can cause pixels to "die" and remain discolored permanently

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LCD screen won't show preview except in C mode


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