Mechanical Jaw Position & Light Field Coincidence, Light Field vs Radiation Field Coincidence, ODI Verification, Table / Couch Angles, MLC Leaf Position Accuracy, and Picket Fence
Output Photons & Electrons, Typical Dose Rate Output Constancy, Dynamic Wedge Constancy, Energy Constancy, and Flatness & Symmetry (Profile Constancy)
CBCT Imaging HU Constancy & Contrast Visibility, Geometric Distortion, Spatial Resolution, Low Contrast Resolution, Noise, Uniformity