Vatech Green 21 PCT-90LH, User Manual

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4. Installation Procedures
54 Green21 (Model: PCT-90LH) Installation Manual
4.11 Air Calibration
Make sure to remove the inner Carbon Cover of the Rotating
Unit before conducting this section.
* Disassembly of the inner Carbon Cover.

Creates air calibration data that compensates for 4% cut align.
4.11.1 How to Modify
1) Run C:\VCaptureSW\Exe\VCaptureSW.exe file and select FOV 21x19 th
en shoot (No Reconfiguration Required).
When performing the collimator correction, wait for 10 minutes
after performing one CT sequence shot and then take another
shot.
2) After confirming that the number of acquired projections is 5401, change the
PROJ folder to PROJ_Air_1.
3) Take 3 shots in the same way as above. PROJ folder names are stored as
PROJ_Air_1, PROJ_Air_2, and PROJ_Air_3, respectively.
4) Move the above three folders to the following path.
C:\VCaptureSW\Acquisition\CBCT\WidePano\para\AirCal\
5) Run L2_AirCalibration.exe file.
6) Click the "Air-Cal" button and specify the folder path as shown below and
click the OK button.
7) When AirCal is completed, the file is created as C:\VCaptureSW\Acquisi
tion\CBCT\WidePano\para\AirCal in the form of a PROJ file.
8) Copy the generated file to the ENCT and AutoCeph folders, respectively .
- ENCT : C:\VCaptureSW\Acquisition\ENCT\WidePano\Para\AirCal
- AutoCeph : C:\VCaptureSW\Acquisition\Ceph\AutoCeph\Para\AirCal