GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Chapter 8 - System QC, Calibration and Functional Tests Page 245
8.1.1.4 Scanning and Reconstructing the VQC Phantom
Important - Prerequisite for Scanning VQC Phantom:
The image quality is very important for the accuracy of the measurements and for calibration. The
CT and PET systems must be fully calibrated and blank scans for CT and PET must be updated.
• For information on CT blank scans, refer to the Discovery PET-CT Operator Guide,
2288677-100, Chapter 5 - Fast CT Calibration.
• For information on PET blank scans, refer to the PET Advance Operator Manual, 2280383-
100, Section 4-2 - Daily Blank Scan Correction.
The VQC phantom is scanned and reconstructed with prescribed CT and PET Transmission
protocols as follows:
1.) Refer to Figure 8-2. Click the [Exam Rx] desktop icon on the Image Monitor to set the Scan
Monitor to TC Scan Mode.
Figure 8-2: Exam Rx Desktop
2.) Refer to Figure 8-3. Click the [New Patient] icon on the Scan Monitor.
Figure 8-3: New Patient Icon
New Patient Icon
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