Question about Jenoptik JD C 3.1 LCD Digital Camera

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SD Card gives "Ft" error message when inserted

Hi, I got a Jenoptik 1.3 SD digital camera for my daughter's birthday - seems to work ok with the onboard 8Mb, but when I try to insert an SD card (512 Mb Integral), the LCD shows "Ft" and I can't do anything until I take the SD card out again. Tried with two other SD cards (1Gb, 2Gb same brand), but I don't think it supports cards bigger than 512Mb anyway.

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Re: SD Card gives "Ft" error message when inserted - Jenoptik JD C 3.1 LCD Digital Camera Digital Cameras

Does the sd card have a lock feature on it?

Posted on Aug 23, 2008

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Look at your memory card. SD cards have a slide switch along one edge. The position farthest from the metal contacts locks the card, protecting it from writes. The position nearest the contacts unlocks the card.

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Anytime I inserted memory card to my Samsung Digimax S600 Digital Camera it an error message is displayed saying "MEMORY CARD LOCKED". I have tried other memory card but i received the same message. How...


OK, if the memory card itself is locked, you might sometimes get this error code. All you need to do is to take out the memory card and switch the lever on the left side to the unlock.


If the error is still displayed after you did the above, you might want to try the card in another camera.

If the card works in another camera . the problem is with your card reader in your camera.

If you open you sd slot and look inside with a sharp light , you should be able to see on the left side of the slot there is a little copper or spring steel lever switch. This switch work as follows:

1. When no card is inserted / no write protection , the switch is open and thus the protection is off.
2. When locked card is inserted , the tab is depressed and tells the camera that the card is lock.

Contrary to popular belief ,the little tab on the sd card is not an electronic switch and does not physically influence the card operation itself. If you put a locked card into a camera without a sd lock switch , you would still be able to use the card normally.

It is incredible difficult to fix this switch because of space limitations in the sd card. Look into the sd slot and if you can see the switch , use a needle to pull the little tab down toward the base of the camera by about 2mm or until it works being careful not to bend it.

If this does not resolve your problem , there might be a short in the switch circuit and the camera will need to be disassembled to resolve this error. This should cost no more than $50.

Please feel free to contact me if you need further information

Kind regards

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C190 does not read the sd card even when sd card format is ok . it is giving a message 'memory card requires formatting' 'please format memory card or insert another card' however inserting a new...

Hi sir

  • Insert your memory card into your computer's reader if you have one. If not, you can purchase a multi-format USB Memory Card reader from or
  • 2 Open up 'My Computer'. You should see it under the list of available drives.
  • 3 Check its contents first to make sure that you have the right drive.
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  • 5 Leave all the options as they are and click on 'Start'. This is a non-reversible process so make sure this is what you truly wanted to do in the first place.
  • 6 Once the process is completed, take the memory card out and insert it into your Digital Camera or any other device. Try to browse to it to make sure it works fine now.
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