I have the ME version that saves to different machine embroidering formats. Unfortunately, there is no "option" to select the "largest sized hoop" (220 x 300 Hoop GR) for the Janome embroidering machine (*.JEF).
Unfortunately, no. There is no option to select the largest sized hoop (220 x 300 Hoop GR) for the Janome embroidering machine (*.JEF) in the ME version of Pattern Maker for Cross Stitch.