Table of Contents
1. | Introduction ............................................. | 1 |
| Limited Warranty ........................................... | 1 |
| Exposure to Radiation or Magnetic Resonance | |
| Imaging (MRI) ............................................... | 1 |
2. | 2 | |
| Delivery Modes .............................................. | 2 |
| Specifications (Nominal) ................................ | 5 |
3. | Batteries ................................................... | 8 |
| Battery Compatibility ..................................... | 8 |
| DURACELL® Alkaline Battery Life ................ | 8 |
| ULTRALIFE® Lithium Battery Life ................ | 8 |
4. | Construction .......................................... | 11 |
5. | Theory of Operation .............................. | 12 |
| Keyboard Circuitry ...................................... | 12 |
| Data Memory EEPROM .............................. | 12 |
| Battery Backed RAM ................................... | 12 |
| Time Base Circuitry ...................................... | 12 |
| LCD Circuitry .............................................. | 12 |
| LED Status Indicators .................................. | 13 |
| Flash PROM Technology ............................. | 13 |
| Gate Array Circuitry .................................... | 13 |
| Audible Alarm Circuitry ............................... | 13 |
| Watchdog Timer Circuit .............................. | 13 |
| Motor Driver/Motor Watchdog Circuit ....... | 13 |
| Power Circuitry ............................................ | 14 |
| Voltage Reference Circuit ............................. | 14 |
| Pumping Mechanism .................................... | 14 |
| Pumping Characteristics ............................... | 15 |
| Air Detector ................................................. | 16 |
| Upstream Occlusion Sensor .......................... | 16 |
6. Safety Features and Fault Detection ....... | 17 |
Hardware Safety Features ............................ | 17 |
Watchdog Timer Circuit .............................. | 17 |
Motor Driver/Motor Watchdog Circuit ....... | 18 |
Cassette ‘Type’ Sensor Circuit ...................... | 18 |
Latch/Lock Sensor Circuit ............................ | 18 |
Voltage Detector Circuit .............................. | 18 |
Software Safety Features .............................. | 19 |
7. Hardware and Software Fault Detection .. | 20 |
Overview ...................................................... | 20 |
Order of Error Code Events ......................... | 20 |
8. Cleaning and Inspection Procedures ....... | 21 |
Inspection Recommendation ........................ | 21 |
Cleaning ....................................................... | 21 |
Visual Inspection .......................................... | 21 |
Mechanical Inspection .................................. | 22 |
9. Testing Procedures ................................. | 23 |
Functional Testing ........................................ | 23 |
Air Detector Test (if Applicable)................... | 26 |
Occlusion Tests ............................................ | 26 |
Accuracy Testing .......................................... | 28 |
Cleaning and Functional Testing Checklist ... | 31 |