VI
4.2.1 Alarm off Before the First Measurement .. 54
4.2.2 Alarm for SpO2 Sensor Unconnected...... 55
4.2.3 Alarm for SpO2 Sensor off ....................... 55
4.2.4 Alarm for Low Battery............................... 55
4.2.5 Higher than Hi Alarm Limit ....................... 56
4.2.6 Lower than Lo Alarm Limit ....................... 56
4.2.7 Alarm Silence ........................................... 57
4.2.8 Turning off Alarm System......................... 57
4.2.9 Alarm Priority............................................ 57
5 Performance Considerations.............................. 58
5.1 Performance Verification................................. 58
5.2 Oximeter Performance Considerations........... 58
5.3 Sensor Performance Considerations .............. 59
6 Maintenance ......................................................... 63
7 Principles of Operation ....................................... 66
7.1 Pulse Oximetry Measurement......................... 67
7.2 Functional Versus Fractional Saturation ......... 69
7.3 Measured Versus Calculated Saturation ........ 70
8 Warranty and Service Policy............................... 71
8.1 Warranty.......................................................... 71
8.2 Service Policy.................................................. 72
Appendix
Ⅰ
Specification........................................ 74
