... multi-parameters (1channel of ECG+ 1channel of EMG+ 2 channels of EOG +1channel of Breath)(multi-parameters ... 15, 30, 60, 120 mm/sDisplaying gain: 1,2,5,10,12,15,20 mm/50uvSpeed of review: 1 ... , 2, 3, 10, 20, 40, 6050Hz interference suppression ratio ... for the doctors to look over the waveformMultifunctional digital filter system can be set freely and provides many ...