7 - 0
7. EXPLANATION OF FUNCTIONS
7.1 Timing Charts.............................................................................................7-2
7.1.1 Routine Analysis plus Wash ...........................................................7-2
7.1.2 Reset ..............................................................................................7-3
7.1.3 T/M Cell Blank Measurement..........................................................7-4
7.1.4 Air Purge.........................................................................................7-5
7.1.5 Probe Adjustment ...........................................................................7-6
7.1.6 Operation........................................................................................7-7
7.1.7 Wash ..............................................................................................7-10
7.1.8 Photometer Check ..........................................................................7-11
7.1.9 Water Exchange.............................................................................7-12
7.2 Measurement ........................................................................................7-13
7.2.1 ADC Timing.....................................................................................7-14
7.2.2 Configuration of Photometry ADC Hardware ..................................7-15
7.2.3 Configuration of Temperature ADC Hardware ................................7-16
7.2.4 Temperature Measurement Data Flow............................................7-17
7.3 Outline of Function.....................................................................................7-20
7.3.1 Status Transition (routine/easy analysis) ......................................7-21
7.3.2 Scheduling when Sample is Insufficient .......................................7-25
7.3.3 Calculation of Measurement End Time (bath processing) ............7-25
7.4 Instrument Status .......................................................................................7-27
7.4.1 Initialize Status .............................................................................7-27
7.4.2 Reset Status .................................................................................7-28
7.4.3 Standby Status .............................................................................7-29
7.4.4 Operation (reaction disk) ..............................................................7-30
7.5 Maintenance Functions ..............................................................................7-35
7.5.1 Reset ............................................................................................7-35
7.5.2 Wash ............................................................................................7-36
7.5.3 Mechanism Check ........................................................................7-37
7.5.4 Air Purge.......................................................................................7-41
7.5.5 Incubator Water Exchange...........................................................7-42
7.5.6 Cell Blank .....................................................................................7-44
7.5.7 Photometer Check........................................................................7-45
7.6 Screen Transition .......................................................................................7-47
7.6.1 Screen Configuration of Model 902 Automatic Analyzer ..............7-47
7.6.2 Screen Transition Diagram ...........................................................7-48