About this task
The DAQA System test is run using the head TLT sphere and one of the following coils:Important: If you do not use the head TLT sphere placed in the appropriate positioner (pad or holder) and centered properly, then the test will fail.
Step-by-step instructions
- Open the Service Desktop Manager.
- In the Service Desktop Manager, click Service Browser.
- From the Image Quality tab, select Daily Automated Quality Assurance.
- Click Click here to start this tool to open the tool and OK to the prompt(s).
- Select the Ghosting Level and Geometric Accuracy option.
- The Selected Coil and Selected Scan Plane fields are unavailable.
- Click Start to initiate the test.
- The Abort button stops data acquisition/post-processing before completion. When selected, the system may take up to 30 seconds to complete the abort process.
- If the connected RF coil is changed after the DQA tool has started, selecting the Start button displays a "Coil not Valid" message. Click OK and the tool refreshes the main user interface with the information of the new connected coil. Confirm the UI settings and click Start again to begin data acquisition.
- Click Yes to the "Confirm!" message to acknowledge the correct coil and phantom use.
- Click Yes in the next "Confirm!" message to acknowledge the phantom placement and landmark.
- A progress bar indicates the status.
- The system acquires three signal images from all three planes and one axial noise image. The axial signal image is used to calculate center frequency, transmit gain, SNR, ghosting, and geometric accuracy. The noise image is used to calculate SNR. The sagittal and coronal images are used to calculated geometric accuracy. The results display in the Test Complete window.
- Record the results and click OK to the prompt.
- Click Exit.
