ii rev
6 Panoramic and 3D calibrations and adjustments................................................... 61
6.1 Introduction ......................................................................................................... 61
6.2 When to calibrate the unit ................................................................................... 62
6.3 Reset maintenance counter ................................................................................ 63
6.4 Preparing for calibration ...................................................................................... 63
6.5 The calibration sequence .................................................................................... 65
6.5.1 Calibration of the preheat of the tube....................................................... 65
6.5.2 Calibration of the tube current.................................................................. 66
6.5.3 3D collimator calibration........................................................................... 67
6.5.3.1 Adjustment of the height and tilt of the collimator
"BLD-NGEO-S".......................................................................... 68
6.5.3.2 Adjustment of the height of the collimator "BLD-NGEO-S-2"....69
6.5.4 3D Beam size verification (optional)......................................................... 70
6.5.5 Panoramic collimator calibration .............................................................. 71
6.5.5.1 Adjustment of the height of the PAN sensor.............................. 72
6.5.5.2 Horizontal adjustment of the collimator "BLD-NGEO-S"............ 74
6.5.5.3 Horizontal adjustment of the collimator "BLD-NGEO-S-2" ........ 75
6.5.6 Panoramic geometry calibration............................................................... 76
6.5.7 3D geometry calibration ........................................................................... 77
6.5.8 3D lasers alignment ................................................................................. 78
6.5.9 Panoramic laser alignment....................................................................... 81
6.5.10 3D pixel calibration................................................................................... 83
6.5.11 Panoramic pixel calibration ...................................................................... 84
6.5.12 3D Quality Check .................................................................................... 85
6.5.13 Panoramic Quality Check (optional) ........................................................ 89
7 Cephalometric calibration and alignment ............................................................... 93
7.1 Preparations........................................................................................................ 93
7.2 Cephalometric calibration sequence ................................................................... 93
7.2.1 Balancing the cephalostat ........................................................................ 94
7.2.2 Primary collimator calibration ................................................................... 94
7.2.3 Rotation angle calibration......................................................................... 95
7.2.4 Mechanical adjustment program .............................................................. 96
7.2.4.1 Primary collimator "BLD-NGEO-S" vertical adjustment .......... 100
7.2.4.2 Primary collimator "BLD-NGEO-S-2" vertical adjustment........ 101
7.2.4.3 Cephalostat fixation angle adjustment..................................... 102
7.2.4.4 Removing secondary collimator covers ................................... 103
7.2.4.5 Secondary collimator vertical adjustment ................................ 104
7.2.4.6 Secondary collimator tilt adjustment........................................ 105
7.2.5 Secondary collimator horizontal adjustment .......................................... 106
7.2.6 Cephalostat laser alignment................................................................... 107
7.2.7 Cephalostat pixel calibration .................................................................. 108
7.2.8 Cephalostat Quality Check (Optional).................................................... 109
7.2.9 Ear holder alignment .............................................................................. 111
7.2.10 Horizontal adjustment ............................................................................ 112
7.2.11 Vertical adjustment................................................................................. 113
8 Special procedures.................................................................................................. 115
8.1 General ............................................................................................................. 115
8.2 Cephalometric upgrade kit ................................................................................ 115
8.3 Changing the cephalostat arm side................................................................... 116
