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<p>Sergej,</p>
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<p> We occasionally run into the situation where there seems to be a partial loss of communication between the microprocessor in our JEOL 3200FS and the PC that runs the Gatan CCD camera. The camera continues to work (records images, allows user to change
exposure times, etc.), but it gets stuck with regard to magnification changes and switching between TEM and STEM. The only solution seems to be to restart DigitalMicrograph. I don't know whether you are seeing a similar problem, but maybe.
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David Gene Morgan<br>
Electron Microscopy Center<br>
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IU Bloomington<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> 3dem <3dem-bounces@ncmir.ucsd.edu> on behalf of Sergej Masich <Sergej.Masich@ki.se><br>
<b>Sent:</b> Tuesday, February 20, 2018 2:04 PM<br>
<b>To:</b> 3dem@ncmir.ucsd.edu<br>
<b>Subject:</b> [3dem] Set value and actual magnification differ</font>
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<div><span class="" lang="EN-GB">Dear 3D-EM community,</span>
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<div class="">We have observed a strange phenomenon in our old FEI CM200 microscope. For example, among many images acquired at the set value of 38 kX, there were a few images having actual magnification of 50 kX. The similar behaviour was observed for other
magnifications as well. Our very experienced engineer could not explain the discrepancy. Can somebody advise what can have caused the problem?</div>
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<div class="">Best regards,</div>
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<div class="">Sergej <br class="">
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=============================<br class="">
Dr. Sergej Masich<br class="">
Dept. of Cell and Molecular Biology<br class="">
Karolinska Institutet<br class="">
171 77 Stockholm, Sweden<br class="">
tel: (+)46 - 8 - 524 873 61<br class="">
mobile: (+)46 - 736 - 833 693<br class="">
e-mail: <a href="mailto:Sergej.Masich@ki.se" class="">Sergej.Masich@ki.se</a></div>
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