Accutorr Plus Service Manual - Mindray

1.3.6.3 To Delete the Stored Measurements on all
Models of the Accutorr Plus .....................1-29
1.3.7 Setting the Alarm Volume and Beep Volume ........1-30
1.3.8 Setting the LCD Contrast (View Angle Adjustment) . . 1-31
1.3.9 Display Time Out Mode ........................1-32
1.3.10 SpO2 Measurements (Accutorr Plus model with SpO2) . 1-33
1.3.10.1 Datascope Pulse Oximetry Sensors ................1-33
1.3.10.2 Sequence for Establishing SpO2 with Nellcor ® Pulse
Oximetry* ..................................1-37
1.3.10.3 Sequence for Establishing SpO2 with Masimo Pulse
Oximetry* ..................................1-40
1.3.11 Temperature Measurement (optional) ..............1-43
1.3.11.1 Predictive Thermometer Measurements ............1-43
1.3.11.2 How to Apply Probe Cover (PTM) ................1-43
1.3.11.3 How to Take Oral, Rectal, and Axillary Temperatures . 1-44
1.3.11.4 Storing Temperature Measurements ...............1-45
1.3.12 Recorder (optional) ............................1-46
1.3.13 How to Set the Clock (Date and Time) .............1-47
1.3.14 Battery Operation .............................1-48
1.3.15 User Configuration ............................1-49
1.3.16 Status and Error Codes .........................1-51
1.3.17 How to Attach Optional Thermometer and
Recorder Modules .............................1-52
1.3.18 Placement of the Quick Reference Card ............1-53
1.3.19 Placement of Recorder Paper Loading Label .........1-54
2.0 THEORY OF OPERATION ...........................2-1
2.1 Block Diagrams ......................................2-1
2.2 Detailed Circuit Descriptions ............................2-2
2.2.1 LED/CPU Module, 0670-00-0650-03, -04 ..........2-9
2.2.1.1 Hardware Overview ...........................2-9
2.2.1.2 Software Overview ............................2-9
2.2.1.3 Detailed Hardware Description. ..................2-10
2.2.2 NIBP Module, Linear Bleed .....................2-17
2.2.3 Recorder Module .............................2-20
2.2.4 Predictive Thermometer Module .................2-21
2.2.5 SpO2 Module (Accutorr Plus with SpO2 only) .......2-22
2.2.6 Main Power Supply. ...........................2-25
2.2.7 Communication Board .........................2-26
2.2.8 LCD Inverter Module - 0670-00-0649 .............2-28
2.2.9 Nellcor ® MP 304 SpO2 Circuit Board
Theory of Operation ...........................2-29
2.2.10 Interface Nellcor Board Theory of Operation .......2-30
iv Accutorr Plus Service Manual
Revised 12/20/00
Introduction