The Rx menu of the Precsription window provides additional control over prescription options.

• Rx source - Plaque simulator supports up to 4 simultaneous plaques and 4 tumors per plan. This item selects which of the four plaques or tumors to use if you elect to prescribe to a plaque or tumor axis point.
• CAX Rx Height... - select the location on the Central AXis to prescribe to.
• TAX Rx Height... - select the location on the Tumor AXis to prescribe to.
• Rx Point Coordinates... - Enter prescription coordinates manually. The coordinates displayed in the Rx point dialog can not be edited unless the Prescribe to popup menu the Rx window is set to User defined.


• CAX Table... - customize the Central AXis point dose table.
• User points... - Opens the documents dialog to the tab used to manage coordinates and titles for user defined dosimetry points. User defined points can be designated as prescription and/or normalization points.


• Calc. Removal Time... - calculate removal time.