: It supports dual power modes—AC for stationary use and a built-in lithium battery for portable "mobile patrolling". Maintenance Checklist Summary
| Rev | Date | Author | Change | |-----|------|--------|--------| | 1.0 | 2022-03-01 | Biomed Eng. | Initial reverse-engineered version | | 2.0 | 2025-01-15 | Service Team | Verified with actual units, added error codes & VR201 location | carewell ecg 1101 service manual verified
AC (110/220V, 50/60Hz) or DC (12V built-in rechargeable lithium battery) 3.8-inch graphic LCD (320x240 pixels) Printing High-resolution matrix thermal printer (50mm paper width) Operational Modes Automatic, Manual, and Analysis Filters : It supports dual power modes—AC for stationary