Vatech A9 (PHT-30CSS)
Technical manual
VDH-TeM-098
4 / 214
COPYRIGHT© 2020 VATECH.
6.3. Test Method ............................................................................................................................. 107
6.4. Test Result ............................................................................................................................... 108
7. Low Contrast Resolution evaluation ........................................................................................... 109
7.1. Low Contrast Resolution standards ........................................................................................ 109
7.2. Phantom Specification ............................................................................................................. 109
7.3. Test Method ............................................................................................................................. 109
7.4. Test Result ............................................................................................................................... 109
8. Slice Thickness Evaluation ........................................................................................................... 110
8.1. Slice Thickness Standard ......................................................................................................... 110
8.2. Phantom Specification .............................................................................................................. 110
8.3. Test Method .............................................................................................................................. 110
8.4. Test Result ................................................................................................................................ 110
9. Collimator Alignment Evaluation.................................................................................................. 111
9.1. Collimator Alignment Standard ................................................................................................. 111
9.2. Test Method .............................................................................................................................. 112
9.3. Test Result ................................................................................................................................ 112
Chapter 4. PANO Image Optimization ............................................................................ 113
1. Geometry information .................................................................................................................... 113
2. Equipment default values ............................................................................................................. 113
2.1. Bite location (PANO mode)....................................................................................................... 113
3. PANO Sensor Calibration .............................................................................................................. 114
3.1. PANO Sensor Calibration Standard ......................................................................................... 114
3.2. Before PANO sensor calibration ............................................................................................... 114
3.3. PANO sensor setting ................................................................................................................ 115
3.4. PANO sensor: Dark calibration ................................................................................................. 116
3.5. PANO sensor: Bright calibration ............................................................................................... 118
4. PANO Collimator Alignment ......................................................................................................... 121
4.1. PANO Collimator Alignment ..................................................................................................... 121
4.2. PANO Collimator Alignment with EzAlign ................................................................................ 123
5. PANO Collimator Speed Alignment ............................................................................................. 124
5.1. PANO Collimator Speed Alignment ......................................................................................... 124
5.2. PANO Collimator Speed Alignment with EzAlign .................................................................... 129
6. PANO Geometry Calibration ........................................................................................................ 130
6.1. PANO Geometry Calibration Standard .................................................................................... 130
6.2. Right and Left Pin Distance Calibration................................................................................... 131
6.3. Center Pin Position Calibration (POFS) .................................................................................. 133
6.4. Center Ball Size Calibration .................................................................................................... 134
6.5. Line Pair Resolution ................................................................................................................ 135
7. Vertical Laser Beam Align ............................................................................................................ 136
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