... or V1, V2, V3, V4, V5, V6(Display View:All 12-Lead ECG waves display simultaneously)Lead Fault“Lead Fault” messege and ... dashed line display,If an electrode or lead wire becomes disconnectedHeart Rate Display30 to 300 bpm (3bpm)ECG ... Size5, 10, 20mm/mV and Auto-gainHeart Rate/Arrhythmia AlarmHR, Asystole, VF, VTAccessories: Standard Package- Device- External ...