For any CardioTech Patient MonitorStep 1 On the main display, click into the ECG section to bring up the ECG setup menu Step 2 Change “HR from” to SpO2. None of the solutions work as intended? Please contact us with any additional questions Service Request Form Step 1 of 2 50% Name* First Last Company Name* Email* Phone* Service Request Type*Repair RequestTroubleShootingRMA RequestWarranty IssueProduct Serial Number* Sales Order Or Invoice Number* Describe Your Issue* Δ