Mustech Electronics Co. Limited UM018G ユーザーズマニュアル

3. Click Calibration icon

, and then move mouse 

to the picture.    Click on the beginning and ending points 

across a known value. Now a dialog will popup as below 

and you need to enter the exact value of the 

measurement sample into ‘Actual dimension’.   

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.