VARIAN MEDICAL SYSTEMS HAS APPLIED TO CAMPEP FOR THE APPROVAL OF THIS ACTIVITY FOR 27.25 MPCEC HOURS REQUESTED FOR APPROVAL. This course provides training for the individual responsible for commissioning and administration of the Eclipse Treatment Planning System in a clinical, external beam radiation therapy department. The course focuses on the configuration of Eclipse dose calculation algorithms (AAA, AcurosXB, and eMC), including demonstration of model configuration and discussion of beam data requirements. Administrative tasks including: OSP settings (user login, user rights), Radiation oncology settings (Linac definition, CT scanner definition, imaging templates, tolerance tables, isodose templates, dosimetrically equivalent machines) are also included in this course. Eclipse planning skills are practiced throughout. NOTE: This course does not cover the optimization algorithms, IMRT, VMAT or RapidArc (see EC202 Eclipse Commissioning II:IMRT and RapidArc).