QA BEAMCHECKER™ PLUS 19
2. If it is not already open, load the database file which matches the QA BeamChecker
Plus attached to the system by clicking the open icon from the toolbar or navigating
to File > Database > Open. Browse to and select the database file and click OK.
3. On the left side of the screen select the text “QABC Plus Zxxxxxx”, where Zxxxxxx indicates
the serial number of QA BeamChecker Plus associated with the database file.
4. Click the Add Room icon on the toolbar or navigate to File > Room > Add Room.
5. Enter the appropriate information for the new room including the Room Label/Number,
Unit Type, and Machine Name. Three room types are available:
Static 5 Channel: For typical static beam delivery of linear accelerator beams. Parameters
tested are beam constancy, flatness, axial (radial) symmetry, and transverse symmetry. Both
the electron and photon sides of the QABC+ are used for this room type. For any beams tested
with wedges, use the Dynamic 5 Channel room type (see below).
TomoTherapy Systems: For dynamic and static beams with TomoTherapy Systems (Hi·Art, H-
Series or Radixact). This room type utilizes only the chambers along the X-axis within the
QABC+ due to the jaw width configuration within the TomoTherapy treatment delivery
system. Parameters tested in static mode are energy constancy, output constancy, and lateral
profile constancy. In dynamic mode, output constancy for each chamber is tested. Only the
photon side of the QABC+ is used for this room type.
Dynamic 5 Channel: For beam delivery using full field rotational machines such as RapidArc or
VMAT. This mode can also be used for testing wedges, either physical or virtual. Each of the 5
primary chambers within the QABC+ (top, bottom, center, left, and right) are tested for output
constancy. Only the photon side of the QABC+ is used for this mode.
Click the OK button to continue.
6. A new room will be added and can be accessed via the left side browser pane.
To add another room, repeat this process.
Deleting a Treatment Room
1. Connect the QA BeamChecker Plus and start the Communication Software.
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