4640DCT EM-9538-B Rev.5
MG CO., LTD. www.mgco.jp
5-2-55 Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
10. USER CALIBRATION
The 40DCT does not have a function to calibrate (adjust) the input signal. Set the display scaling to compensate the devia-
tion between the set display scaling and actual display values.
Correction value 0% = display scaling value A – actual display value 0% + display scaling value A
Correction value 100% = display scaling value B – actual display value 100% + display scaling value B
Calculate the display scaling values using the correction values. Refer to 3. SETTING SCALING VALUES to set them.
Example: setting the display scaling to 0.0 – 100.0 A. Actual display 0.2 – 99.8 A AC.
Calculate correction value 0 and 100%.
Correction value 0% = 0 – 2 + 0 = -2
Correction value 100% = 1000 – 998 + 1000 = 1002
Set the correction value 0% and 100% as new display scaling value A and B.
Display scaling value A = -0002
Display scaling value B = 1002
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