When use ECG machine, there is usually faults happening. If ECG machine do the calibration, the stoppages will decrease accordingly.

First，Calibrate the sensitivity of instrument

Second, Indicate and adjust the position of switch

Third, Switch of calibration can estimate the frequency of instrument

Fourth, If calibration circuit is connected with guide united line, you can use it to indicate the connection of the lead. When change guide league one time, if you press calibration keyboard and appearing range of square wave is lower or distortion, it shows that there is fault of the corresponding lead or electrode.

Guangzhou Jia Yu medical equipment Limited