DNT UltraZoom PRO Bedienungsanleitung Seite 62

3. Click Calibration icon , then move the mouse
to the picture. Then click on the beginning and ending
points across a known value. Now a dialogue will pop up
where the exact value of the measurement sample into
'Actual dimension' needs to be entered.
Then the software will automatically calibrate the
magnification rate. Click 'OK' and the adjusted
magnification rate will show in the upper right corner.
* Remark: The measured line should be paralleled.
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