... LCD screen, 12 leads display and working status display3.Measurement & Analysis: automatic measurement and analysis, waveforms playback4.Measuring Data: heart rate,internal ... ,paper speed,filter status,hospital name etc.7.Report: Optional measurement & analysis report printing8.Recording Mode: 3H,3+1 CH, ... question is appreciate!Thank you.Parry Z 6 Channel Automatic Digital Analysis Electrocardiograph