Calibration - Philips CARDIOMD Service Manual

4 C
ALIBRATION
Contents
4.1 Introduction ........................................................................................................................... 4-3
4.2 Detector Calibration .............................................................................................................. 4-3
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
4.3 Detector Performance Tests ................................................................................................ 4-33
4.3.1
4.3.2
4.4 Motion Calibration .............................................................................................................. 4-34
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.5 Motion Limit Checks .......................................................................................................... 4-39
4.5.1
4.5.2
1MAN0158-H11 04-2005 CSIP Level 1
Detector Calibrations Overview ............................................................................... 4-3
Checks Prior to Calibrations..................................................................................... 4-5
4.2.2.1 Power Supply Check................................................................................. 4-5
4.2.2.2 Background Noise Check ......................................................................... 4-6
High Voltage (HV) and PMT Calibration (PMT) .................................................... 4-8
4.2.3.1 Description................................................................................................ 4-8
4.2.3.2 High Voltage Calibration Procedure......................................................... 4-8
4.2.3.3 PMT Calibration Procedure .................................................................... 4-11
Energy Calibration (ECal)...................................................................................... 4-14
4.2.4.1 Description.............................................................................................. 4-14
4.2.4.2 Energy Calibration Procedure................................................................. 4-14
Geometry Calibration (GeoCal) ............................................................................. 4-17
4.2.5.1 Description.............................................................................................. 4-17
4.2.5.2 Geometry Calibration Procedure ............................................................ 4-17
Energy Correction Calibration (ECor) ................................................................... 4-20
4.2.6.1 Description.............................................................................................. 4-20
4.2.6.2 Energy Correction Procedure.................................................................. 4-20
Spatial Linearity Correction Calibration (LinCor) ................................................. 4-22
4.2.7.1 Description.............................................................................................. 4-22
4.2.7.2 Spatial Linearity Correction Calibration Procedure................................ 4-22
Uniformity Calibration (UnifCor) .......................................................................... 4-25
4.2.8.1 Description.............................................................................................. 4-25
4.2.8.2 Uniformity Calibration Procedure .......................................................... 4-25
Center of Rotation (COR) Calibration ................................................................... 4-30
4.2.9.1 Description.............................................................................................. 4-30
4.2.9.2 Center of Rotation Calibration Procedure............................................... 4-30
Center of Rotation (COR) Analysis ....................................................................... 4-33
4.3.1.1 Description.............................................................................................. 4-33
4.3.1.2 Center of Rotation Analysis Procedure................................................... 4-33
Flood Uniformity Test............................................................................................ 4-33
4.3.2.1 Description.............................................................................................. 4-33
4.3.2.2 Flood Uniformity Check Procedure........................................................ 4-33
Introduction ............................................................................................................ 4-34
Calibration of Absolute Encoders .......................................................................... 4-34
Calibration of Y Ultimate End Stop ....................................................................... 4-36
Calibration of Rotation Ultimate End Stop ............................................................ 4-36
Calibration of X Ultimate End Stop ....................................................................... 4-36
Introduction ............................................................................................................ 4-39
Verifying Absolute Encoder Calibration................................................................ 4-39
CardioMD Service Manual 4-1