Simple, yet capable 12-lead electrocardiograph with a full complement of clinical research functionality High-Resolution Color LCD High-resolution color display provides real-time preview of 12-lead ECG to ensure high quality data acquisiton at investigator site. Custom ID™ Customized demographic data fields can be downloaded from the E-Scribe™ Rx ECG data management system to the ELI™ 150c for Rx electrocardiograph for each study protocol. Positive ID™ Customized demographic data fields can be automatically populated by entering the subject's ID number, or from a subject's previously stored ECG, minimizing data entry at sites.