Table Of Contents - GE TruSat Technical Reference Manual

1. Product Description and Specifications .........................................1-1
1.1 General description .......................................................................................................... 1-1
Related information..........................................................................................................................1-1
Technical competence....................................................................................................................1-1
1.2 Monitor features ................................................................................................................ 1-2
Screen display, controls, and indicators ................................................................................1-2
Connectors............................................................................................................................................1-3
Information label and symbols...................................................................................................1-3
1.3 Safety precautions............................................................................................................ 1-4
Warnings................................................................................................................................................1-4
Cautions..................................................................................................................................................1-4
Disposal ..................................................................................................................................................1-4
1.4 Specifications....................................................................................................................... 1-5
Factory settings..................................................................................................................................1-5
Measurement.......................................................................................................................................1-5
Monitor....................................................................................................................................................1-6
1.5 Compliance ........................................................................................................................... 1-8
Related standards and tests ........................................................................................................1-8
Electromagnetic compatibility (EMC) .......................................................................................1-9
2. Theory of Operations ..............................................................................2-1
2.1 Functional block diagram.............................................................................................. 2-1
2.2 Measurement principles ................................................................................................ 2-2
TruSignal Enhanced SpO 2 .............................................................................................................2-2
PI r pulsatile value...............................................................................................................................2-2
Signal processing...............................................................................................................................2-2
2.3 Power supply and battery ............................................................................................ 2-2
2.4 System board....................................................................................................................... 2-3
Microcontroller ....................................................................................................................................2-4
2.5 Display board....................................................................................................................... 2-4
2.6 Trend Download board (RS-232) ................................................................................ 2-5
Alarm event relay ..............................................................................................................................2-6
3. Troubleshooting.........................................................................................3-1
3.1 Troubleshooting guide.................................................................................................... 3-1
Error numbers......................................................................................................................................3-3
3.2 System board components .......................................................................................... 3-4
System board test points...............................................................................................................3-5
System board connectors.............................................................................................................3-5
ID connector (X1).......................................................................................................................3-5
ComWheel connector (X2)....................................................................................................3-5
Speaker connector (X4)..........................................................................................................3-5
Pulse oximetry connector (X5) ...........................................................................................3-6
Battery connector (X6) ...........................................................................................................3-6
DC line power connector (X7) .............................................................................................3-6
Trend Download board connector (X8)..........................................................................3-7
Contents
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