Product details: multi-channel print format 3/6/12 channels or rhythm high resolution thermal printer dual power supply: net and battery inline connector to the PC RS232 copy print signalling of disconnected electrodes autotest of the ECG apparatus tactile functional keypad manual and automatic recording modes ECG parameters measurement program rhythm analysis easy adaptation to the new needs of user Options: E 600 WIN program for ECG device cooperation with a personal computer archivisation of examinations ECG signals observation in real time on the screen of a personal computer ability of printing process of examinations on personal computer printer