Vatech Green 21 PCT-90LH User Manual page 61

4. Initial Collimator position correction (start position compensation between sensor
and collimator)
1) After running C:\VCaptureSW\Util\EzEval_Phantom\EzEval.exe, open the
previously backed up PROJ folder and check the collimator invasion area on
the left and right side, respectively.
* Backup folder: PROJ_4%cut
* Backup folder: PROJ_Velo
Collimator Program
(Rotator not working
shooting)
(ex: PROJ_4%cut)
NCSW Program
(Rotator working
shooting)
(ex: PROJ_Velo)
Calculation
Check Existing Location
Setting value
Calculation of speed
correction value
Input of Position
correction value
Acceptable figure
Green21 (Model: PCT-90LH) Installation Manual
Left side
X axis: 61 pixels
X axis: 22 pixels
61-22 = 39
Input: [SPM_CLI?]
Response: +6
Calculation (+39) + Existing
setting value (+6) = 45
[SPM_CLIC_0045]
4. Installation Procedures
Right side
X axis: 164 pixels
X axis: 170 pixels
164-170 = -6
Input: [SPM_CRI?]
Response: 0
Calculation (-6) + Existing
setting value (0) = -6
[SPM_CRIC_1006]
1~3 Pixel
49