MZ electronic EVV-A Instructions D'utilisation page 18

Setting of the Voltmeter-ammeter
Note
In order to assure to your device the maximum precision, it is necessary first of all, after
having installed it, to proceed to calibration of the zero set.
1) Be sure that there is no current flow in the cable which is in the sensor.
2) Turn the device on.
3) Press at the same time the two keys on the panel and keep both pressed in order
to turn the device on.
4) When the display shows "C.CU." release the keys.
5) Now the display shows the tension value concerning the zero set (about 2.50 volt).
6) Wait until the measure has stabilized.
7) Press the left key.
8) The calibration has finished and the device is ready for use.
EVV-A
18
English
Rev. 03 – 2008